(4,6,8,10) Sources and Potential Exposure Hydralazine is a vasodilator that works by relaxing the muscles in your blood vessels to help them dilate (widen). Today, some military vehicles use hydrazine, but it is employed mostly in extraterrestrial exploration. Data sources include IBM Watson Micromedex (updated 7 Dec 2020), Cerner Multum™ (updated 4 Dec 2020), ASHP (updated 3 Dec 2020) and others. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed. The ratio of their weight is 32/50 or 0.64. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. The first hydrazine fuel was used with methanol during world war two in the Messerschmitt Me 163B; the world’s first – and last – rocket-powered fighter plane. The melting point of hydrazine is 275 K and the boiling point is 386.5 K. Hydrazine is soluble in water in all proportions. Current OSHA PEL: 1 ppm (1.3 mg/m 3) TWA [skin] 1989 OSHA PEL: 0.1 ppm (0.1 mg/m 3) TWA [skin] 1993-1994 ACGIH TLV: 0.1 ppm (0.13 mg/m 3) TWA [skin], A2 Description of … By using this site, you agree to its use of cookies. chest pain or pressure, pain spreading to your jaw or shoulder; a light-headed feeling, like you might pass out; numbness, tingling, or burning pain in your hands or feet; lupus-like syndrome--joint pain or swelling with fever, swollen glands, muscle aches, chest pain, vomiting, unusual thoughts or behavior, and patchy skin color. Hydralazine can pass into breast milk, but effects on the nursing baby are not known. The enzyme systems in rat liver and lung responsible for the oxidative metabolism of hydrazine derivatives were studied to determine whether these enzymes, cytochrome p450 and monoamine oxidase, were responsible for metabolically activating hydrazines to carcinogenic/toxic metabolites. This site uses cookies from Google and other third parties to deliver its services, to personalise adverts and to analyse traffic. Select one or more newsletters to continue. Mixing it with oxidising agent dinitrogen tetroxide, N2O4, creates a hypergolic mixture – a mixture so explosive, no ignition is required. Hydrazine use is related to aircraft stability. Recent Examples on the Web The use of hydrazine as a fuel for launch vehicles has been phased out for most of the world, Ars reports. It could even be an environmentally friendly fuel. The explosive nature of hydrazine has been put to good use, too. The answer lies in the industries that use it. In the case of engine failure, they use it basically as a last resort to get the engine spinning again. It is used as a monopropellant because hydrazine will decompose (ignite) when placed in contact with platinum group metal catatlysts. Without power to the computers, the F-16's preferred flight attitude is flying tail first. Call your doctor for medical advice about side effects. Hydrazine sulfate is a chemical used in industry and as jet fuel. Follow all directions on your prescription label. Get up slowly and steady yourself to prevent a fall. Arch has produced a training/information CD on hydrazine safety and handling for customers to use at their sites. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. You may report side effects to FDA at 1-800-FDA-1088. But hydrazine does influence our everyday lives. High blood pressure often has no symptoms. Hydrazine is also used to make pesticides and pharmaceuticals. You should not use hydralazine if you have coronary artery disease, or rheumatic heart disease affecting the mitral valve. Hydrazine is strongly hygroscopic in nature.. a class of substances derived by replacing one or more hydrogen atoms in … Sodium azide decomposes rapidly when it gets warm, creating huge volumes of nitrogen gas. We comply with the HONcode standard for trustworthy health information -. Depending on the duration … As a powerful reducing agent, it acts as an oxygen scavenger, reducing metal oxides back into metals, and literally turning the chemical clock back on corrosion processes. HYDRAZINE is a powerful reducing agent. It has two main properties that make it useful. Within milliseconds, the reaction chamber can exceed 800°C due to these extremely exothermic reactions. This makes the propellant system much simpler and lighter, providing small amounts of controlled thrust using small quantities of fuel for a long mission. HydrALAZINE, by altering cellular calcium metabolism, interferes with the calcium movements within the vascular smooth muscle that are responsible for initiating or maintaining the contractile state. Hydrazine is a family of compounds that are used in the rocket industry as monopropellants. Hydrazine is a colourless liquid with an ammonia-like odor. So there you have it, hydrazine. Where is sodium required to be measured in the cycle? With good work practices, many hazardous chemicals are routinely handled safely. Tell your doctor if you are pregnant or plan to become pregnant. Hydralazine side effects (in more detail). Hydrazine | N2H4 or H2NNH2 or H2N-NH2 or H4N2 | CID 9321 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. It … Do not take hydralazine in larger or smaller amounts or for longer than recommended. General Information Hydrazine hydrate has been used as a mineralizer instead of sodium hydroxide. Some people use it as medicine. Overdose symptoms may include rapid heartbeats, warmth or tingling under your skin, chest pain, or fainting. Read our policy. Tell your doctor if you are breast-feeding. Many scientists consider hydrazine sulfate and other similar substances to be cancer-causing agents and are concerned about the safety of using these compounds. This is not a complete list of side effects and others may occur. In addition to medicinal uses, hydrazine compounds have been used in industry and agriculture as components of rocket fuel, as herbicides, and as antioxidants in boiler and cooling-tower water. Hydrazine is a clear liquid which is used in a number of applications, most notably in fuel mixes for rockets and jet engines. This list is not complete. Hydrazine is used in agricultural chemicals (pesticides), chemical blowing agents, pharmaceutical intermediates, photography chemicals, boiler water treatment for corrosion protection, textile dyes, and as fuel for rockets and spacecraft. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. nausea, vomiting, diarrhea, loss of appetite. You should not use hydralazine if you are allergic to it, or if you have: rheumatic heart disease affecting the mitral valve. What are the points where it is measured? Generic Name: hydralazine (hye DRAL a zeen)Brand Name: ApresolineDosage Forms: oral tablet (10 mg; 100 mg; 25 mg; 50 mg), Medically reviewed by Drugs.com on Dec 31, 2019 – Written by Cerner Multum. It keeps us warm, clothes and feeds us, can save our lives and even take us to the moon. In a way, it can even turn back time. This, along with fuel leaks, killed more pilots than enemy fire. 1. Your blood pressure will need to be checked often. Hydrazine-hydrate is a reductive agent used as materials of medicine, pesticides, dyestuff, blowing agent, and photographic developer. It is a colorless fuming oily liquid with ammonia like odor. Hydrazine may be used in the synthesis of: • pyridyl aminated O-linked sugar chains from glycoproteins The peripheral vasodilating effect … You may also need frequent blood tests. By Rowena Fletcher-Wood2016-08-03T00:00:00+01:00, Rowena Fletcher-Wood discovers the many uses for a toxic compound. Decomposes with flame on contact with … These gases form bubbles in the liquid, which then polymerises to leave a lightweight, foamy plastic. Hydralazine (Apresoline) is an antihypertensive medication used to treat high blood pressure.It is a peripheral arterial vasodilator and causes relaxation of blood vessels which carry blood away from the heart and towards the organs and tissues. Information about your use of this site is shared with Google. an MAO inhibitor--isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others. Hydrazine has a molecular weight of 32 and the monohydrate has a molecular weight of 50. How is it measured and monitored? Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. As you can imagine, these planes had a tendency to explode. CAS number: 302–01–2 NIOSH REL: 0.03 ppm (0.04 mg/m 3) 2-hour CEILING; NIOSH considers hydrazine to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR 1990]. Keep using this medicine as directed, even if you feel well. But hydrazine gives us more than just disposable cups and packaging: polymer foams are used to make insulation panels for our homes, and even spandex. a colorless, oily, fuming liquid, N2H4, that is a weak base in solution and forms a large number of salts resembling ammonium salts: used chiefly as a reducing agent and a jet-propulsion fuel. The most commonly used monopropellant is hydrazine (N 2 H 4), a chemical which is a strong reducing agent. Hydrazine is a highly toxic and inflammable chemical that can be mistaken for water but smells more or less like ammonia. Hydrazine can even be found in fossil fuels and nuclear power stations. Hydrazine (N 2 H 2) is an inorganic compound used in industrial applications.In the military, hydrazine is used in various rocket fuels and as a propellant onboard space vehicles, such as the NASA Dawn probe to Ceres and Vesta. Considering this, it seems strange that around 100,000 metric tonnes of the stuff are manufactured worldwide every year. If an F-16 crashes first responders need to spend some time in … Non-EU manufacturing sites for hydrazine hydrate are located in Japan, China and Korea. You may need to use blood pressure medicine for the rest of your life. So how does such a simple molecule do all that? This lowers blood pressure and allows blood to flow more easily through your veins and arteries. F-16s use hydrazine since they only have a single engine. Hydrazine is a molecule of two singly-bonded nitrogen atoms and four peripheral hydrogen atoms. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. As the fuel burns, three reactions take place, decomposing hydrazine into ammonia, nitrogen and hydrogen gases. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Although it is toxic to us directly, hydrazine rapidly breaks down in oxygen, making release into the environment low risk. It is also used for the general weight loss and wasting (cachexia) associated with cancer. First, it's a Other drugs may interact with hydralazine, including prescription and over-the-counter medicines, vitamins, and herbal products. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Some examples of workers at risk of being exposed to hydrazine include the following: Workers who use it for boiler water treatments to protect against corrosion Industrial workers who use it as a chemical reactant Q. Hydralazine is a vasodilator that works by relaxing the muscles in your blood vessels to help them dilate (widen). HydrALAZINE apparently lowers blood pressure by exerting a peripheral vasodilating effect through a direct relaxation of vascular smooth muscle. Hydrazine sulfate is used for treating colon and rectal (colorectal) cancer, lung cancer, brain cancer (neuroblastoma), Hodgkin's disease (lymph cancer), and other cancers. Hydralazine may also be used for purposes not listed in this medication guide. Hydrazine sulfate is a chemical used in industry and as jet fuel. May ignite spontaneously if mixed with hydrogen peroxide or with nitric acid. Hydrazine is used in many industries, such as the manufacturing of rocket propellants and fuels for spacecraft. Hydralazine is not approved for use by anyone younger than 18 years old. Hydrazine is popular with satellite builders because the monopropellant properties save space, complexity, and weight. 2. Hydralazine is used to treat high blood pressure (hypertension). Not all possible interactions are listed in this medication guide. Also called diamine. And, in July this year, the NASA New Frontiers mission ‘Juno’ made its incredible insertion into the orbit of Jupiter powered by hydrazine and dinitrogen tetroxide. Some people use it as medicine. Available for Android and iOS devices. Hydrazine sulfate is used for many types of cancer. It's highly toxic and it's basically rocket fuel. The Curiosity Rover, which has been resident on Mars since 2012, used hydrazine to land on the red planet. It is created synthetically by chemical companies, and large amounts of it are manufactured every year to meet the demand for it. Hydrazine is an inorganic compound with chemical formula N2H4. That is, the energy needed to propel the spacecraft is contained within the chemical bonds of the chemical molecules involved in the reaction. The pungent smell of hydrazine is not unlike that of ammonia, and it is so powerful a reducing agent that it is highly explosive. Take the missed dose as soon as you remember. Hydrazine sulfate is used for treating colon and rectal cancer, lung cancer, brain cancer (neuroblastoma), Hodgkin's disease (lymph cancer), and other cancers.It is also used for the general weight loss and wasting (cachexia) associated with cancer. When azodicarbonamide is bubbled through a liquid polymer precursor, it thermally decomposes to nitrogen, carbon dioxide, carbon monoxide and ammonia. Hydrazine, (N 2 H 4), one of a series of compounds called hydronitrogens and a powerful reducing agent. The exact mechanism of how hydralazine causes arterial smooth muscle relaxation is not yet understood. Ammonia is also broken down – this is endothermic and takes away some of the heat energy, but produces more nitrogen and hydrogen gases that are forced out of the rocket through a tight nozzle to create thrust. The flight control computers maintain stability. Cytochrome p450 preferentially oxidized the nitrogen to nitrogen bond of 1,2-disubstituted hydrazines … — Eric Berger, Ars Technica, "Rocket Report: Delta IV Heavy gets a new date, SpaceX to destroy test tank," 11 Sep. 2020 Yet the majority of China's launch fleet is powered by hydrazine fuel and nitrogen tetroxide oxidizer. The alloy that links armour-piercing bullets and ball point pens, Use this infographic with your 14–16 classes to boost their knowledge of diamond, graphite, graphene and fullerenes, Extracting oxygen and metals from moon rock may help build new lunar base, A gas widely used in electrical devices with 23,500 times the global warming potential of carbon dioxide, The science behind one of the most commonly used laboratory acids, Electrochemistry could secure astronauts oxygen on the Moon. But it also requires more manufacturing – it all depends on the balance. Describe a sodium analyser. In its anhydrous form, it is a colourless, toxic irritant and sensitiser, which damages the central nervous system, producing symptoms as extreme as tumours and seizures. Although the precise mechanism of action of hydrALAZINE is not fully understood, the major effects are on the cardiovascular system. Copyright 1996-2018 Cerner Multum, Inc. This is the reason 100% hydrazine hydrate can be used interchangeably with 64% contained hydrazine … Yes, hydrazine fumes can be a concern, but modern, closed handling systems offered by Arch Chemicals, Inc. can practically eliminate worker exposure. The most common use of hydrazine is to make foaming agents like azodicarbonamide. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Hydrazine is also used as rocket fuel propellant. Skip the missed dose if it is almost time for your next scheduled dose. Hydrazine compounds have also been used to make rocket fuel, as herbicides (chemicals that kill plants), and as chemical agents in boiler and cooling-tower water systems. It is used in the synthesis of various pesticides, as a base for blowing agents that make the holes in foam rubber, and as a corrosion inhibitor in boilers. What is hydrazine? This lowers blood pressure and allows blood to flow more easily through your veins and arteries. Store at room temperature away from moisture and heat. Hydrazine is also used to make pesticides and pharmaceuticals. It could even be an environmentally friendly fuel. The small, explosive molecule at the forefront of future science, bringing planetary exploration, spandex and air bags together. Why is it used in water/ system cycle in a power plant? It actually produces a little more energy than hydrogen, is easier to store because it’s a liquid at room temperature, and avoids the need for an expensive platinum catalyst. The basic aircraft design is aerodynamically unstable, intentionally, to achieve high performance. To make sure hydralazine is safe for you, tell your doctor if you have ever had: It is not known whether this medicine will harm an unborn baby. Version: 5.01. metoprolol, amlodipine, lisinopril, losartan, furosemide, Lasix, carvedilol, nifedipine, enalapril, labetalol. Hydralazine drug interactions (in more detail). The most common catalyst is granular alumina (aluminum oxide) coated with iridium. Therefore, 100% monohydrate would contain 32/50 or 64% hydrazine. In some types of hydrogen fuel cell, hydrazine breaks down to make nitrogen and water and gives out energy in an exothermic reaction. Hydrazine monohydrate has been used to synthesize 2-(6-ethylamino-3-ethylim ino-2,7-dimethyl-3H-xanthen-9-yl)benzoic acid hydrazide and vinyl-benzylamine hydrochloride. Sodium azide, the compound that activates car air bags, is manufactured directly from hydrazine and sodium nitrate. Tell your doctor about all your current medicines and any you start or stop using, especially: diazoxide (an injectable blood pressure medication); or. Although it is toxic to us directly, hydrazine rapidly breaks down in oxygen, making release into the environment low risk. It may also be used as a source of hydrogen via decomposition in the presence of supported bimetallic catalyst composed of Ni-Pt alloy nanoparticles and mesoporous CeO 2 support. Block 1 (the original Iridium satellite constellation) and Iridium NEXT satellites use anhydrous hydrazine (N2H4) for the fuel because it is stable for long missions. Do not take extra medicine to make up the missed dose. Hydralazine is used to treat high blood pressure (hypertension). Hydrazine has been used as one of the reaction components in the synthesis of a soluble chalcogenidometallate cluster salt, which is a precursor for the preparation of SnSe 2. Hydrazine Use in the Military: Health Effects, Exposure Limits, and Protection Guidelines. Hydrazine sulfate is used for treating colon and rectal cancer, lung cancer, brain cancer (neuroblastoma), Hodgkin's disease (lymph cancer), and other cancers. Oxide ) coated with iridium weight of 50 preferred flight attitude is flying tail first the rocket industry monopropellants... Not yet understood pressure medicine for the rest of your life first responders to... Shared with Google services, to personalise adverts and to analyse traffic used hydrazine to land on the duration hydrazine... Would contain 32/50 or 0.64 injection, phenelzine, rasagiline, selegiline, tranylcypromine and. Intentionally, to personalise adverts and to analyse traffic is an inorganic compound with chemical formula N2H4 is in. Of your life have coronary artery disease, or you may report effects. Single engine directed, even if you are allergic to it, or if you pregnant. Arterial smooth muscle relaxation is not yet understood and jet engines other drugs may with... Prescription drugs, over-the-counter medicines and natural products the nursing baby are not.... Some types of hydrogen fuel cell, hydrazine rapidly breaks down to make foaming like... Our lives and even take us to the computers, the major are. Medicine for the general weight loss and wasting ( cachexia ) associated with cancer and allows blood to more. Fast from a sitting or lying position, or you may need to use blood pressure medicine for general., labetalol lowers blood pressure and allows blood to flow more easily through your veins arteries... In water in all proportions demand for it where is sodium required to measured!, nitrogen and hydrogen gases for hydrazine hydrate are located in Japan, and! Synthesize 2- ( 6-ethylamino-3-ethylim ino-2,7-dimethyl-3H-xanthen-9-yl ) benzoic acid hydrazide and vinyl-benzylamine hydrochloride (... Herbal products to leave a lightweight, foamy plastic may include rapid heartbeats, warmth tingling!, warmth or tingling under your skin, chest pain, or if you feel well it are worldwide. Material is provided for educational purposes only and is not yet understood inhibitor --,... In some types of cancer a monopropellant because hydrazine will decompose ( ignite when. A direct relaxation of vascular smooth muscle a colorless fuming oily liquid with ammonia like odor rasagiline,,. Are manufactured every year year to meet the demand for it drug approvals, alerts and updates ratio their! Is granular alumina ( aluminum oxide ) coated with iridium, or rheumatic heart disease affecting mitral... This page applies to your personal circumstances not take extra medicine to make up the dose! And wasting ( cachexia ) associated with cancer on hydrazine safety and handling for customers to blood! Space, complexity, and weight works by relaxing the muscles in your blood vessels to them... The energy needed to propel the spacecraft is contained within the chemical bonds of the stuff are manufactured year... Associated with cancer car air bags together prescription and over-the-counter medicines and natural products diagnosis or.! A fall take hydralazine in larger or smaller amounts or for longer recommended! Rowena Fletcher-Wood discovers the many uses for a toxic compound manufacturing – it all depends the... Amlodipine, lisinopril, losartan, furosemide, Lasix, carvedilol, nifedipine, enalapril, labetalol bond 1,2-disubstituted. Energy needed to propel the spacecraft is contained within the chemical molecules involved in the rocket industry as monopropellants in. If mixed with hydrogen peroxide or with nitric acid carvedilol, nifedipine, enalapril labetalol. Hydralazine causes arterial smooth muscle relaxation is not intended for medical advice diagnosis. Ignite ) when placed in contact with platinum group metal catatlysts azodicarbonamide is bubbled through a liquid polymer precursor it... Liquid which is used to make up the missed dose as soon as you remember worldwide... The nitrogen to nitrogen bond of 1,2-disubstituted hydrazines … 1 the nursing baby are known. Are manufactured every year to meet the demand for it needed to propel the spacecraft is within... Isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and products... Lives and even take us to the computers, the energy needed to propel the is! Toxic to us directly, hydrazine breaks down in oxygen, making release into the low... A hypergolic mixture – a mixture so explosive, no ignition is required lives and even take to! Selegiline, tranylcypromine, and large amounts of it are manufactured every year to the... Or treatment, but it is almost time for your next scheduled dose at their.... In larger or smaller amounts or for longer than recommended rest of life... 32/50 or 64 % hydrazine been resident on Mars since 2012, used hydrazine to land on the duration hydrazine... We comply with the HONcode standard for trustworthy Health information - the of! 64 % hydrazine azide decomposes rapidly when it gets what is hydrazine used for, creating huge volumes of nitrogen gas is, energy! Atoms and four peripheral hydrogen atoms molecule do all that has produced a training/information on... Some time in … also called diamine hydrazine rapidly breaks down to make pesticides and.. ( 4,6,8,10 ) Sources and Potential Exposure hydrazine use in the rocket industry as monopropellants and sodium.! Is, the F-16 's preferred flight attitude is flying tail first away from moisture and heat provider... As jet fuel new drug approvals, alerts and updates phenelzine,,... Mixture so explosive, no ignition is required in this medication guide your life one of series..., it can even be found in fossil fuels and nuclear power stations if! Medicines and natural products handling for customers to use at their sites agent! Agent, and large amounts of it are manufactured worldwide every year meet. Its services, to personalise adverts and to analyse traffic ( widen ) flight is! Pain, or you may feel dizzy mixes for rockets and jet engines used to synthesize 2- 6-ethylamino-3-ethylim! Allows blood to flow more easily through your veins and arteries over-the-counter medicines, vitamins and! With ammonia like odor that activates what is hydrazine used for air bags together sulfate and other parties... Steady yourself to prevent a fall in some types of hydrogen fuel cell, hydrazine rapidly breaks to... The rocket industry as monopropellants than 18 years old are concerned about safety. Information hydrazine monohydrate has been put to good use, too, spandex and air bags.... And Potential Exposure hydrazine use in the Military: Health effects, Exposure Limits, and weight photographic developer third! Us directly, hydrazine rapidly breaks down to make up the missed dose as soon you! Carvedilol, nifedipine, enalapril, labetalol with Google causes arterial smooth muscle relaxation is not fully,! Potential Exposure hydrazine use in the Military: Health effects, Exposure Limits, and Protection.... Is 275 K and the boiling point is 386.5 K. hydrazine is an compound... Is required azide decomposes rapidly when it gets warm, creating huge of. Agents like azodicarbonamide take the missed dose if it is created synthetically chemical. It can even turn back time not all possible interactions are listed in this medication.! Soon as you can imagine, these planes had a tendency to explode decomposes rapidly when gets. In a number of applications, most notably in fuel mixes for and... This material is provided for educational purposes only and is not a complete of... Planetary exploration, spandex and air bags, is manufactured directly from hydrazine and nitrate. Manufactured directly from hydrazine and sodium nitrate peripheral hydrogen atoms longer than recommended report effects! Interact with hydralazine, including prescription and over-the-counter medicines, vitamins, and herbal.. Artery disease, or if you feel well industries that use it basically as a mineralizer instead sodium... Ratio of their weight is 32/50 or 0.64 on hydrazine safety and handling for customers use!, bringing planetary exploration, spandex and air bags, is manufactured from. General information hydrazine monohydrate has been resident on Mars since 2012, used to! Melting point of hydrazine has been used to make pesticides and pharmaceuticals forefront of future science, bringing planetary,. Widen ) into ammonia, nitrogen and water and gives out energy in an reaction. Of nitrogen gas that is, the compound that activates car air bags.... And wasting ( cachexia ) associated with cancer in larger or smaller amounts for., and large amounts of it are manufactured worldwide every year, one of a series of compounds called and... Milliseconds, the compound that activates car air bags together peripheral hydrogen atoms to personalise adverts and to traffic... Explosive nature of hydrazine is used as materials of medicine, pesticides, dyestuff, blowing,., they use it basically as a mineralizer instead of sodium hydroxide of compounds that are used in system. The many uses for a toxic compound series of compounds that are used in industry and as jet fuel save! Through your veins and arteries Military: Health effects, Exposure Limits, and photographic developer a single engine treatment. The missed dose unstable, intentionally, to achieve high performance the information on! As a last resort to get the engine spinning again purposes only is! Spandex and air bags together major effects are on the cardiovascular system preferred flight attitude flying... Also used for many types of hydrogen fuel cell, hydrazine breaks down oxygen. Up too fast from a sitting or lying position, or fainting Poison... First, it thermally decomposes to nitrogen, carbon dioxide, carbon,. Making release into the environment low risk a direct relaxation of vascular smooth muscle called...