Silicon
CAS 7440-21-3 · Si
Hazard classDanger — Flammable
PictogramsFlammable
H-statements- H228 Flammable solid
- H320 Causes eye irritation
Workplace exposure limitsNIOSH REL TWA 10 mg/m3 (total) S TWA 5 mg/m3 (resp)
OSHA PEL TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D.Occupational exposure limits — NIOSH Pocket Guide.
Synonyms231-130-8 · SILICON · Silicon metal · Defoamer S-10 · Silicon, elemental · Silicium · Z4152N8IUI · Silicon 28
Molecular weight28.085 g/mol
Data sourceAggregated classification PubChem · REACH-registeredGHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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