- 102839
1.02839
L-半胱氨酸 盐酸盐 一水合物
for biochemistry
Recommended Products
蒸汽压
<0.1 hPa ( 20 °C)
质量水平
检测方案
98.5-101.0% dry basis (alkalimetric)
形式
crystalline powder
pH值（酸碱度）
0.8-1.2 (20 °C, 100 g/L in H2O)
mp
168-170 °C
溶解性
650 g/L
密度
1.54 g/cm3
堆积密度
780 kg/m3
痕量阴离子
sulfate (SO42-): ≤300 ppm
痕量阳离子
Fe: ≤20 ppm
heavy metals (as Pb): ≤10 ppm
储存温度
2-30°C
SMILES string
O.Cl.N[C@@H](CS)C(O)=O
InChI
1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
InChI key
QIJRTFXNRTXDIP-JIZZDEOASA-N
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This Item | 778451 | PHR1102 | 30122 |
|---|---|---|---|
| vapor pressure <0.1 hPa ( 20 °C) | vapor pressure - | vapor pressure - | vapor pressure - |
| assay 98.5-101.0% dry basis (alkalimetric) | assay 98.5-101.0% | assay - | assay 98.5-101.0% |
| form crystalline powder | form powder or crystals | form - | form solid |
| pH 0.8-1.2 (20 °C, 100 g/L in H2O) | pH - | pH - | pH - |
| mp 168-170 °C | mp - | mp - | mp 176 °C |
| solubility 650 g/L | solubility water: 100 mg/mL at 25 °C | solubility - | solubility H2O: soluble 100 g/L at 25 °C |
生化/生理作用
分析说明
Identity (IR-spectrum): passes test
Identity (Chloride): passes test
Appearance: white or almost white, crystalline powder or colorless crystals
Appearance of solution (25 g/l, water): clear and not more intense in color than reference solution BY6
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance): +5.5 to +7.0
Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance): +5.7 to +6.8
Sulfate (SO₄): ≤ 300 ppm
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 20 ppm
Related Compounds, total (TLC): ≤ 0.5 %
Ninhydrin-positive substances (LC)(impurity A (570 nm)): ≤ 0.5 %
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): ≤ 1.0 %
Residual solvents (ICH Q3C): excluded by manufacturing process
Sulfated ash (600 °C): ≤ 0.1 %
Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h): 8.0 - 12.0 %
Bacterial endotoxins: ≤ 6.0 I.U./g
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(F)
Not applicable
闪点(C)
Not applicable
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