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Yttrium

CAS 7440-65-5 · Y

Hazard class

Danger — Flammable, Irritant / harmful, Health hazard

Pictograms

FlammableIrritant / harmfulHealth hazard

H-statements

H228 Flammable solid
H250 Catches fire spontaneously if exposed to air
H302 Harmful if swallowed
H312 Harmful in contact with skin
H332 Harmful if inhaled
H413 May cause long lasting harmful effects to aquatic life
H371 May cause damage to organs

Workplace exposure limits

NIOSH REL *: TWA 1 mg/m3
OSHA PEL *: TWA 1 mg/m3 [*Note: The REL and PEL also apply to other yttrium compounds (as Y).]
IDLH 500 mg/m3 (as Y)

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

231-174-8 · YTTRIUM · Yttrium, elemental · Yttrium element · Yttrium metal · 58784XQC3Y · Yttrium Metallicum · Yttrium and compounds

Molecular weight

88.90584 g/mol

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). Reagent is a free chemical safety search. Browse categories · API · Console

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