L-Cysteine Hydrochloride Monohydrate 99.0-100.5%
L-Cysteine is an α-amino acid. It is a semi-essential amino acid, which means that it can be biosynthesized in humans.
Minimum Assay: 99.0-100.5%
Molecular Formula: C3H7NO2S.HCl.H2O
Molecular Weight: 175.63 g/mol
Melting Point: 175 °C
Chloride (Cl): 19.89-20.29%
Sulphate (SO4): <0.020%
Ammonium (NH4): <0.02%
Heavy Metals (as Pb): <10ppm
Loss on drying: 8.5 - 12.0%
Iron Content: <10ppm
Hazard Phrazes: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Prec Phrazes: Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Store in a well-ventilated place. Keep container tightly closed.