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104351 L-组氨酸

104351
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概述

Replacement Information

重要规格表

CAS #经验配方
71-00-1C₆H₉N₃O₂

Products

产品目录编号包装 数量 / 包装
1.04351.0025 玻璃瓶 25 g
1.04351.0100 玻璃瓶 100 g
1.04351.1000 玻璃瓶 1 kg
1.04351.9010 塑胶滚桶;塑胶鼓桶 10 kg
描述
产品目录编号104351
同义词His
参考
产品信息
CAS号71-00-1
EC号200-745-3
Hill配方C₆H₉N₃O₂
Molar Mass155.16 g/mol
HS代码2933 29 92
结构配方图像结构配方图像
Quality LevelMQ100
应用
应用L-Histidine for biochemistry. CAS 71-00-1, pH 7.7 (10 g/l, H₂O, 20 °C).
生物信息
理化信息
密度1.449 g/cm3 (20 °C)
熔点285 °C (分解)
pH值7.0 - 8 (15.5 g/l, H₂O, 25 °C)
容积密度430 kg/m3
溶解度38.2 g/l
尺寸
材料信息
毒性学信息
LD 50口服LD50 Rat > 5110 mg/kg
GHS安全信息
RTECSMS3070000
储存类别10 - 13 其它液体及固体
WGKWGK 1 轻度的水危害
安全信息
产品使用声明
储存和货运信息
储存于 +5°C 到 +30°C储存.
包装信息
运输信息
补充信息
规格
Assay (acidimetric, calculated on dried substance)99.0 - 101.0 %
Identity (IR-spectrum)passes test
Appearancewhite to almost white, fine-crystalline powder or colorless crystals
Appearance of solution (50 g/l; water)clear and colorless
Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance)+11.4 to +12.4
Chloride (Cl)≤ 200 ppm
Sulfate (SO₄)≤ 200 ppm
Heavy metals (as Pb)≤ 10 ppm
As (Arsenic)≤ 5.0 ppm
Ca (Calcium)≤ 10 ppm
Co (Cobalt)≤ 5 ppm
Fe (Iron)≤ 5 ppm
K (Potassium)≤ 100 ppm
Mg (Magnesium)≤ 5 ppm
Na (Sodium)≤ 100 ppm
Zn (Zinc)≤ 5 ppm
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities)≤ 0.5 %
Loss on drying (105 °C; 3 h)≤ 0.2 %
Global Trade Item Number
产品目录编号 GTIN
1.04351.0025 04022536050294
1.04351.0100 04022536050300
1.04351.1000 04022536050317
1.04351.9010 04022536692708