L-半胱氨酸盐酸盐 | 7048-04-6

中文名L-半胱氨酸盐酸盐一水物

中文同义L-盐酸半胱氨酸一水物;L-半胱氨酸盐酸盐一水物;L-半胱氨酸盐;L-巯基丙氨酸盐酸盐一水合物,99%;L-Α-氨基-Β-巯基丙酸盐酸盐;L-半胱氨酸盐一水物;半胱氨酸盐酸盐一水物;L-半胱氨酸盐酸盐一水物/ L-半胱氨酸盐酸盐/L(+)-Β-盐酸硫氢代丙氨酸/(R)-2-氨基-3-巯基丙酸盐酸盐/L-盐酸半胱氨酸一水物/L(+)-盐酸半膀胱氨基酸/L-氢氯半胱氨酸一水物/L-CYSTEINE.HCI.H2O

英文名L-Cysteine hydrochloride monohydrate

英文同义(R)-(+)-CYSTEINE HYDROCHLORIDE HYDRATE;H-L-CYS-OH HCL H2O;H-CYS-OH HCL H2O;CYSTEINI HYDROCHLORIDUM MONOHYDRICUM;CYSTEINE HYDROCHLORIDE MONOHYDRATE;CYSTEINE HCL H2O;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE MONOHYDRATE

CAS7048-04-6

分子式C3H10ClNO3S

分子量175.63

EINECS615-117-8

结构式

性质

熔点175°C

比旋光度+6.0～+7.5゜ (20℃/D)(c=8,6mol/l HCl)(calculated on the dried basis)

密度1.54 g/cm3

蒸气压<0.1 hPa (20 °C)

折射率6 ° (C=8, 1mol/L HCl)

储存条件Store at RT.

溶解度H2O: 1 M at 20 °C, clear, colorless

形态Solid

颜色White

PH值0.8-1.2 (100g/l, H2O, 20℃)

酸碱指示剂变色ph值范围1 – 2

旋光性 (optical activity)[α]20/D +5.6±0.3°, c = 5% in 5 M HCl

水溶解性Soluble in cold water.

最大波长(λmax)λ: 260 nm Amax: 1.0
λ: 280 nm Amax: 0.3

敏感性Hygroscopic

Merck14,2781

BRN5158059

稳定性Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride.

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