Tungsten
CAS 7440-33-7 · W
Hazard classDanger — Flammable, Irritant / harmful
PictogramsFlammableIrritant / harmful
H-statements- H228 Flammable solid
- H252 Self-heating in large quantities; may catch fire
- H320 Causes eye irritation
- H335 May cause respiratory irritation
Workplace exposure limitsNIOSH REL *: TWA 5 mg/m3 ST 10 mg/m3 [*Note: The REL also applies to other insoluble tungsten compounds (as W).]
OSHA PEL none
IDLH N.D.Occupational exposure limits — NIOSH Pocket Guide.
Synonyms231-143-9 · TUNGSTEN · Wolfram · TUNGSTEN ION · wolframium · VA (tungsten) · tungsten(4+) ion · V9306CXO6G
Molecular weight183.84 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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Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.