L-Cysteine hydrochloride monohydrate（CAS# 7048-04-6)
Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | HA2285000 |
| FLUKA BRAND F CODES | 3-10-23 |
| TSCA | Yes |
| HS Code | 29309013 |
L-Cysteine hydrochloride monohydrate（CAS# 7048-04-6) introduction
L-cysteine hydrochloride monohydrate is a white crystalline powder that is a hydrate of the hydrochloride of L-cysteine.
L-cysteine hydrochloride monohydrate is commonly used in biochemistry and biomedical fields. As a natural amino acid, L-cysteine hydrochloride monohydrate plays an important role in antioxidant, detoxification, liver protection and immune system enhancement.
The preparation of L-cysteine hydrochloride monohydrate can be obtained by the reaction of cysteine with hydrochloric acid. Dissolve the cysteine in an appropriate solvent, add hydrochloric acid and stir the reaction. Crystallization of L-cysteine hydrochloride monohydrate can be obtained by freeze-drying or crystallization.
Safety Information: L-cysteine hydrochloride monohydrate is a relatively safe compound. When storing, L-cysteine hydrochloride monohydrate should be kept in a dry, low-temperature and dark environment, away from fire and oxidants.
