鹽酸半胱氨酸 99%|EP|25g【Scharlau】

L-Cysteine hydrochloride anhydrous
CAS: 52-89-1

貨號: SAL-CI03050025 分類:

描述

Print Friendly, PDF & Email
Specification Value
Chemical Substance C3H7NO2S·HCl
Molar Mass 157,62 g/mol
Souble in Water (20C) (20 ºC): soluble
Melting Point 175 – 178 ºC (decomposes)
Applications in biochemistry, in food industry, antioxidant.
Specifications Assay (Argentometric) : min. 98 %
Identity (IR-Spectrum): Passes Test
Specific Rotation. ([A] 20°/D, C=1,
0,1N Hcl): + 5.6 º – + 8.9 º
Phosphates (As Po4): max. 0,005 %
Sulfates (So4): max. 0,005 %
Ammonium (Nh4): max. 0,01 %
Arsenic (As): max. 0,0005 %
Heavy Metals (As Pb): max. 0,001 %
Iron (Fe): max. 0,001 %
Residue on Ignition: max. 0,1 %
Loss on Drying (Vacuum on P2O5): max. 2 %