CAS 52-90-4 | Molecular weight 121.158 |
Molecular formula C3H7NO2S | Fusing point 220 °C (dec.)(lit.) |
density 1.3±0.1 g/cm3 | Flash point 131.5±25.9 °C |
L-cysteine, an amino acid commonly found in living organisms. One of the alpha amino acids, purple responsive sodium nitroprusside (colored by SH), found in many proteins glutathione and forms insoluble mercaptans with metal ions such as Ag+, Hg+, Cu+, etc. | |
Appearance properties White crystalline powder | |
Storage condition Should be sealed in a dry place away from light. | |
stability 1. It's stimulating. Its aqueous solution or slightly alkaline aqueous solution can be oxidized to cystine by air, and the acidic solution is more stable. The biochemical reagent content is not less than 98.5% 2. Exists in tobacco leaves. |