Merck
All Photos(1)

1.02838

Millipore

L-半胱氨酸

for biochemistry

Synonym(s):
L-半胱氨酸
Empirical Formula (Hill Notation):
C3H7NO2S
CAS Number:
Molecular Weight:
121.16
MDL编号:
EC索引号:
200-158-2

质量水平

100

形式

solid

自燃温度

420 °C

效能

1890 mg/kg LD50, oral (Rat)

pH值(酸碱度)

4.5-5.5 (20 °C, 100 g/L in H2O)

mp

220-228 °C

溶解性

280 g/L

堆积密度

300 kg/m3

储存温度

2-30°C

InChI

1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)

InChI key

XUJNEKJLAYXESH-UHFFFAOYSA-N

包装

25, 100 g in Plastic bottle
1 kg in Plastic bottle
10 kg in Plastic drum

分析说明

含量测定(高氯酸滴定,以干燥物质计算): ≥ 99.0
鉴别(红外光谱):通过测试
外观:无色至白色针状晶体
溶液外观(100 g/l,盐 酸  2 mol/l):无色透明
比旋度(α 20/D,80 g/l,1 mol/l盐酸,以干燥品计):+8.3 - +9.5
pH(25 g/l;不含CO₂的水):4.5 - 5.5
氯化物(Cl): ≤ 0.04 %
硫酸盐(SO₄): ≤ 0.03 %
重金属(以铅计): ≤ 0.001 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.001 %
Co(钴): ≤ 0.0005 %
Fe(铁): ≤ 0.0010 %
K(钾): ≤ 0.0005 %
Mg(镁): ≤ 0.0005 %
Na(钠): ≤ 0.01 %
NH₄(铵): ≤ 0.02 %
Zn(锌): ≤ 0.0005 %
外来氨基酸: ≤ 0.5 %
其他茚三酮阳性物质: ≤ 0.1 %
干燥失重(105 °C;3 h): ≤ 0.5 %

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

More Documents

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service