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Hafnium

CAS 7440-58-6 · Hf

Hazard class

Danger — Flammable

Pictograms

Flammable

H-statements

H250 Catches fire spontaneously if exposed to air

Workplace exposure limits

NIOSH REL *: TWA 0.5 mg/m3
OSHA PEL *: TWA 0.5 mg/m3 NIOSH S194 (II-5) [*Note: The REL and PEL also apply to other hafnium compounds (as Hf).]
IDLH 50 mg/m3 (as Hf)

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

231-166-4 · HAFNIUM · Celtium · Hafnium, elemental · X71938L1DO · Hafnium metal · Elemental hafnium · RefChem:55291

Molecular weight

178.49 g/mol

Browse similar

Flammable

Data source

Aggregated classification PubChem · REACH-registered

GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console

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