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S-carboxymethyl-l-cysteine

CAS No. : 638-23-3
HS code 2930909099
Chemical formula: C5H9NO4S
Molecular weight: 179.19
Density: 1.451g/cm3
Melting point: 205-207℃
Boiling point: 393.5°C at 760 mmHg
Vapor pressure: 2.74E-07mmHg at 25°C

Assay(drying basis):98.5~101.0%
Appearance: White or almost white crystalline powder.
pH value: 2.8~3.0
Specification Rotation:-32.5°~-36.0°
Loss on Drying:≤0.5%
Residue on Ignition:≤0.2%
Chloride:≤0.15%
Sulfate:≤0.03%
Heavy metal(Lead):≤20 ppm
Ironic Salt:≤10 ppm
Cysteine:≤0.05%
Light transmittance:≥95.0%(430nm)

Application: Mainly used in the treatment of chronic bronchitis, bronchial asthma and other diseases caused by thick sputum, difficult sputum and sputum obstruction of trachea and other diseases.

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