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102838 L-半胱氨酸

102838
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概述

Replacement Information

重要规格表

CAS #经验配方
52-90-4C₃H₇N O₂S

Products

产品目录编号包装 数量 / 包装
1.02838.0025 塑胶瓶 25 g
1.02838.0100 塑胶瓶 100 g
1.02838.1000 塑胶瓶 1 kg
1.02838.9010 塑胶滚桶;塑胶鼓桶 10 kg
描述
产品目录编号102838
同义词a-Amino-ß-mercapto propionic acid, αlpha-Amino-ß-mercapto propionic acid, Cys, αlpha-Amino-beta-mercapto propionic acid
参考
产品信息
CAS号52-90-4
EC号200-158-2
Hill配方C₃H₇N O₂S
Molar Mass121.16 g/mol
HS代码2930 90 13
结构配方图像结构配方图像
Quality LevelMQ100
应用
应用L-Cysteine for biochemistry. CAS 52-90-4, pH 4.5 - 5.5 (100 g/l, H₂O, 20 °C).
生物信息
理化信息
密度1.66 g/cm3 (45 °C)
燃点420 °C
熔点>203 °C
pH值4.5 - 5.5 (100 g/l, H₂O, 20 °C)
容积密度300 kg/m3
溶解度280 g/l
尺寸
材料信息
毒性学信息
LD 50口服LD50 Rat 1890 mg/kg
GHS安全信息
RTECSHA1600000
储存类别10 - 13 其它液体及固体
WGKWGK 1 轻度的水危害
一次性3
反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类.
安全信息
危险种类???
产品使用声明
储存和货运信息
储存低于+30°C储存.
包装信息
运输信息
补充信息
规格
Assay (perchloric acid titration, calculated on dried substance)≥ 99.0
Identity (IR-spectrum)passes test
Appearancecolorless to white, needle-shaped crystals
Appearance of solution (100 g/l, hydrochloric acid  2 mol/l)clear and colorless
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)+8.3 to +9.5
pH (25 g/l; CO₂-free water)4.5 - 5.5
Chloride (Cl)≤ 0.04 %
Sulfate (SO₄)≤ 0.03 %
Heavy metals (as Pb)≤ 0.001 %
As (Arsenic)≤ 0.0001 %
Ca (Calcium)≤ 0.001 %
Co (Cobalt)≤ 0.0005 %
Fe (Iron)≤ 0.001 %
K (Potassium)≤ 0.0005 %
Mg (Magnesium)≤ 0.0005 %
Na (Sodium)≤ 0.01 %
NH₄ (Ammonium)≤ 0.02 %
Zn (Zinc)≤ 0.0005 %
Foreign amino acids≤ 0.5 %
Other ninhydrine positive substances≤ 0.1 %
Loss on drying (105 °C; 3 h)≤ 0.5 %
Global Trade Item Number
产品目录编号 GTIN
1.02838.0025 04022536037363
1.02838.0100 04022536037370
1.02838.1000 04022536037387
1.02838.9010 04022536692678