cysteine
CAS 52-90-4
| CAS number | 52-90-4 |
| Molecular formula | C3H7NO2S |
| Molecular weight | 121.16 g/mol |
Also known as
E920 · E921 · E 920 · L-Cys · Cystein · 52-90-4 · cisteina · NSC-8746
SDS and GHS classification for cysteine
Inside Imperium SDS, cysteine carries its full curated record: GHS hazard classification from authoritative sources (including EU Annex VI harmonised entries and concentration-band rules where they apply), screening across TSCA, SARA 313, CERCLA, California Prop 65, and DOT hazmat, plus official occupational exposure limits for SDS Section 8. Add it to a formulation and the mixture classification, pictograms, and a complete 16-section safety data sheet are computed deterministically — in English, Spanish, French, German, Korean, Italian, Portuguese, or Dutch.
Identity information provided for reference. Hazard classification depends on concentration, physical form, and jurisdiction — always rely on a complete, current safety data sheet reviewed by a qualified person.