... can be considered as derivatives of the inorganic hydrazine (H2N−NH2), in which one or more hydrogen atoms have been ... monomethyl hydrazine, where one of the hydrogen atoms on the hydrazine molecule has been replaced with a methyl group (CH3). ... Hydrazines can be divided into three groups according to the degree of substitution. Hydrazines belonging to the same group ... In symmetric disubstituted hydrazines, a hydrocarbon group is bonded to each of the hydrazine nitrogen atoms. Like ...
... is highly toxic unless handled in solution as, for example, hydrazine hydrate (N2H4·xH2O). Hydrazine is mainly used ... Hydrazine has a higher electromotive force of 1.56 V compared to 1.23 V for hydrogen. Hydrazine breaks down in the cell to form ... Hydrazine forms a monohydrate N2H4·H2O that is denser (1.032 g/cm3) than the anhydrous form N2H4 (1.021 g/cm3). Hydrazine has ... For hydrazine the 1-hour SPEGL is 2 ppm, with a 24-hour SPEGL of 0.08 ppm. A complete surveillance programme for hydrazine ...
... can be used as a fungicide and antiseptic. Hydrazine sulfate has been used as an alternative medical ... These side effects and other reports of hydrazine toxicity are consistent with the hypothesis that hydrazine may play a role in ... of the hydrazine group, versus 3% in the control group, and tumor progression in 36% of the hydrazine group, versus 30% of the ... 19-21 Hydrazine sulfate / Hydrazine sulphate Archived 2009-09-19 at the Wayback Machine from the British Columbia Cancer Agency ...
... is produced by the reaction of hydrazine and nitric acid: N2H4 + HNO3 → N2H5NO3 Liu, Jiping (2015). Liquid ... Hydrazine nitrate has a good thermal stability. Its weight loss rate at 100 °C is slower than that of ammonium nitrate. Its ... Hydrazine nitrate is an inorganic compound with the chemical formula N2H4·HNO3. It has usage in liquid explosives as an ... Its solubility is small in alcohols but large in water and hydrazine. It has strong hygroscopicity, only slightly lower than ...
... (EC 1.7.99.8, HAO (ambiguous)) is an enzyme with systematic name hydrazine:acceptor oxidoreductase. ... Hydrazine+oxidoreductase at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Portal: Biology (EC 1.7.99). ... This enzyme catalyses the following chemical reaction hydrazine + acceptor ⇌ {\displaystyle \rightleftharpoons } N2 + reduced ... acceptor Hydrazine oxidoreductase is involved in the pathway of anaerobic ammonium oxidation in anammox bacteria. Schalk J, de ...
The hydrazine antidepressants are a group of non-selective, irreversible monoamine oxidase inhibitors (MAOIs) which were ... Tranylcypromine, a structurally unrelated MAOI introduced around the same time as the hydrazines, was originally advertised as ... Articles with short description, Short description is different from Wikidata, Hepatotoxins, Hydrazines, Monoamine oxidase ... non-hydrazine as a result of its diminished propensity for causing hepatotoxicity. Benmoxin (Neuralex, Nerusil) ‡ Iproclozide ( ...
... (NHN), (chemical formula: [Ni(N2H4)3](NO3)2 is an energetic material having explosive properties in ... Xiang, Dong; Zhu, Weihua (15 February 2018). "Thermal decomposition of energetic MOFs nickel hydrazine nitrate crystals from an ... "Detonator using Nickel Hydrazine Nitrate as Primary Explosive". Defence Science Journal. 56 (3): 383-9. doi:10.14429/dsj. ... metal salts of hydrazine: Potential initiatory compounds". Journal of Hazardous Materials. 99 (3): 225-39. doi:10.1016/S0304- ...
1947: Hydroxy-alcoyl-hydrazines. 2., Bull. Soc. chim. Fr., 5e série, vol.14, Nr. 3-4, 1947, S. 242-244. 1950: Synthèse et ... In 1942, Benoit defended her doctoral thesis on hydrazine compounds. She continued to work in the medical chemistry department ... 1942: Préparation et propriétés physiologiques de quelques hydroxy-alcoyl-hydrazines... Thèses présentées à la Faculté des ... Benoit, Germaine (1942). Preparation et proprietes physiologiques de quelques hydroxy-alcoyl-hydrazines... (in French). OCLC ...
Schirmann, Jean-Pierre; Bourdauducq, Paul (2001). "Hydrazine". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley- ... Unlike hydrazine and alkylhydrazines, hydrazides are nonbasic owing to the inductive influence of the acyl, sulfonyl, or ... although they are typically prepared by the reaction of esters with hydrazine: An applied example is a synthesis of sunitinib ... begins by mixing 5-fluoroisatin slowly into hydrazine hydrate. After 4 hours at 110 °C, the indole ring structure has been ...
Reaction with hydrazine gives the substituted dialkylhydrazine. In the second step, the hydrazine is oxidized to the azo ... "Hydrazine". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a13_177. Overberger, C. G ...
"Hydrazine". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a13_177. The Merck Index ...
UDMH is a derivative of hydrazine and is sometimes referred to as a hydrazine. As a fuel, it is described in specification MIL- ... Hydrazine and its methyl derivatives are toxic but LD50 values have not been reported. It is a precursor to dimethylnitrosamine ... UDMH has higher stability than hydrazine, especially at elevated temperatures, and can be used as its replacement or together ... hydrazine and 50% UDMH, called Aerozine 50, in different stages. There is speculation that it is the fuel used in the ballistic ...
The Olin Raschig process is a chemical process for the production of hydrazine. The main steps in this process, patented by ... The process was further optimised and used by the Olin Corporation for the production of anhydrous hydrazine for aerospace ... "Hydrazine". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a13_177. ISBN 3527306730. v t e (Articles with ... and the subsequent reaction of monochloramine with ammonia towards hydrazine. ...
Pugh, W. (1954). "Hydrazine. Part VII. Some halogeno-antimonites and -bismuthites of hydrazine". Journal of the Chemical ...
Joseph Fugger; Jack M. Tien & I. Moyer Hunsberger (1955). "The Preparation of Substituted Hydrazines. I. Alkylhydrazines via ... Jack M. Tien & I. Moyer Hunsberger (1955). "The Preparation of Substituted Hydrazines. II.1 3-Pyridylhydrazine via the ...
By comparison regular hydrazine simply commences its violent decomposition on contact with a catalyst bed or mesh of a metal ... Hydrazine continues to be the most commonly utilized monopropellant in spacecraft as of 2019. "Ignition", J.D. Clark, ISBN ... "Hydrazine". (All articles with bare URLs for citations, Articles with bare URLs for citations from March 2022, Articles with ... Cavea-B is considerably denser, more stable and less toxic than hydrazine, and offers a much superior performance than that of ...
Gilbert, E. C. (1929). "Studies on Hydrazine. The Hydrolysis of Dimethylketazine and the Equilibrium between Hydrazine and ... in a conversion also carried out with hydrazine hydrate. Azines characteristically undergo hydrolysis to hydrazines. The ... In the presence of an oxidant, ammonia and ketones react to give hydrazine via ketazine: 2 Me(Et)C=O + 2 NH3 + H2O2 → Me(Et)C= ... Acetone is used to derivatize hydrazine into acetone azine for analysis by gas chromatography. This method is used to determine ...
... dinitrogen tetroxide plus hydrazine. In 1935, Hellmuth Walter discovered that hydrazine hydrate was hypergolic with high-test ... The Komet had a HWK 109-509, a rocket motor which consumed methanol/hydrazine as fuel and high test peroxide T-Stoff as ... "Nitric acid/Hydrazine". Astronautix.com. Retrieved January 13, 2023. "High Test Peroxide" (pdf). Retrieved July 11, 2014. " ... Otto Lutz assisted the Walter Company with the development of C-Stoff which contained 30% hydrazine hydrate, 57% methanol, and ...
... hydrazine and various cold gas monopropellants shows that hydrazine is the highest performing in terms of specific impulse. ... the usual propellant being hydrazine which is generally decomposed by exposure to an iridium catalyst bed (the hydrazine is pre ... However, hydrazine is also the most expensive and toxic. In addition HAN and hydrogen peroxide have the highest density impulse ... 7. "Monopropellant Hydrazine Thrusters". EADS Astrium. Archived from the original on March 27, 2010. "ethylene_oxide.pdf" (PDF ...
Hydrazine gives diphenylpyrazole. Urea and thiourea also condense to give six-membered rings. With metal salts, the conjugate ...
They can be considered as strained hydrazines. Unlike most amine types of structures, the nitrogen atoms of diaziridines are ...
For the Skylab boost or de-orbit, the TRS would have four strap-on boosters each with 680 kg (1,500 Ib.) of hydrazine rocket ...
... is produced from urea and hydrazine by transamidation. Its major use is as a chemical intermediate in the production of ... Eugene F. Rothgery (2004). "Hydrazine and Its Derivatives". Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley and ...
A Bicyclic Hydrazine Derivative1". Journal of the American Chemical Society. American Chemical Society (ACS). 65 (1): 29-32. ... Pyrazolidine can be produced by cyclization of 1,3-dichloropropane or 1,3-dibromopropane with hydrazine: C l − ( C H 2 ) 3 − C ...
... of the hydrazine chemical class. It was investigated as an antidepressant, but was never marketed. Hydrazine (antidepressant) ... Hydrazines, Monoamine oxidase inhibitors, All stub articles, Nervous system drug stubs). ...
These "sacrificial" hydrogen donors, which can also serve as solvents for the reaction, include hydrazine, formic acid, and ... Kuhn, L. P. (1951). "Catalytic Reduction with Hydrazine". J. Am. Chem. Soc. 73 (4): 1510. doi:10.1021/ja01148a029. Wikiquote ... Leggether, B. E.; Brown, R. K. (1960). "Reduction of Monohalogenated Nitrobenzenes with Hydrazine and Raney Nickel. A ...
... are hydrazines that have additional methyl groups. Heavily methylated versions exist as hydrazinium salts. ...
... ene-hydrazine'). After protonation, a cyclic [3,3]-sigmatropic rearrangement occurs producing a diimine. The resulting diimine ... "Ueber die Hydrazine der Brenztraubensäure". Berichte der Deutschen Chemischen Gesellschaft. 16 (2): 2241-2245. doi:10.1002/cber ...
Keeton's proposed lawsuit against NCI; info regarding hydrazine sulfate Kathy Keeton at the Internet Speculative Fiction ... London, William M. (23 July 2006). "Penthouse's Promotion of Hydrazine Sulfate". Cancer Treatment Watch. ... Keeton treated herself with hydrazine sulfate, after reading about it in Penthouse, one of her own publications. She claimed ...
... of the hydrazine class that was used as an antidepressant in the 1960s but is now no longer marketed. Hydrazine (antidepressant ... Hydrazines, Monoamine oxidase inhibitors, All stub articles, Nervous system drug stubs). ...