carbon disulfide
carbon tetrachloride
Aqueous solution
L-cysteine alkali
CAS: 52-90-4
MF: C3H7NO2S
Molecular Weight: 121.16
Melting point: 220 ° C
Nature Description: colorless crystal.
Melting point 240 ℃ (decomposition).
Soluble in water, alcohols, ammonia and acetic acid, insoluble in ether, benzene, acetone, ethyl acetate, carbon disulfide and carbon tetrachloride. Aqueous solution or slightly alkaline aqueous solution can be air oxidized to cystine, the acidic solution is more stable.
Uses: mainly used in pharmaceutical, cosmetic, chemical and biological research. For bread, compound, and to promote gluten formation and to promote fermentation, the mold and prevent aging