Silica
CAS 7631-86-9 · O2Si
Hazard classDanger — Irritant / harmful, Health hazard
PictogramsIrritant / harmfulHealth hazard
H-statements- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H320 Causes eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H372 Causes damage to organs through prolonged or repeated exposure
- H373 May causes damage to organs through prolonged or repeated exposure
Common uses (US EPA CDR)PigmentFillerCBICatalystViscosity modifiersProcessing aids not otherwise specified
Workplace exposure limitsNIOSH REL TWA 6 mg/m3
OSHA PEL TWA 20 mppcf [(80 mg/m3)/%SiO2]
IDLH 3000 mg/m3Occupational exposure limits — NIOSH Pocket Guide.
SynonymsSILICON DIOXIDE · Silica · Dioxosilane · 7631-86-9 · Silicic anhydride · Diatomaceous silica · Wessalon · Zorbax sil
Molecular weight60.084 g/mol
Data sourceAggregated classification PubChemGHS 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.