甲 胺
| |||
IUPAC aminomethane 氨基 | |||
别名 | MMA | ||
识别 | |||
CAS |
74-89-5 ? | ||
SMILES |
| ||
RTECS | PF6300000 | ||
CH5N | |||
31.06 g·mol−1 | |||
无色气体 | |||
d40.699 (−10.8 °C) / 0.902 g/cm³, 40w/w% ( | |||
熔点 | −94 °C (179.15 K) | ||
−6 °C (267.2 K) | |||
108 g/100 mL (20 °C) | |||
pKa | 10.64 (质子胺, pKaH) | ||
pKb | 3.36 | ||
黏度 | 0.23 cP at 0 °C | ||
结构 | |||
偶极 |
1.31 D (气体) | ||
危险 | |||
警示术语 | R:R11-R36/37 (40% | ||
MSDS | EMD Chemicals [1] | ||
NFPA 704 | |||
闪点 | 8 °C | ||
氨 | |||
生 产
- CH3OH + NH3 → CH3NH2 + H2O
实验
- NH4Cl + H2CO → CH2=NH·HCl + H2O
- CH2=NH·HCl + H2CO + H2O → CH3NH2·HCl + HCOOH
无色
活性 及应用
生物 化学
安全
參 見 條目
参考 资料
- ^ Corbin D.R.; Schwarz S.; Sonnichsen G.C. Methylamines synthesis: A review. Catalysis Today. 1997, 37 (2): 71–102. doi:10.1016/S0920-5861(97)00003-5.
- ^ Marvel, C. S.; Jenkins, R. L. (1941). "Methylamine Hydrochloride". Org. Synth.; Coll. Vol. 1: 347.
- ^ 3.0 3.1 Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005.
- ^ H. D. Gibbs. Liquid methylamine as a solvent, and a study of its chemical reactivity. J. Am. Chem. Soc. 1906, 28: 1395–1422. doi:10.1021/ja01976a009.
- ^ Thauer, R. K., "Biochemistry of Methanogenesis: a Tribute to Marjory Stephenson", Microbiology, 1998, 144, 2377-2406.