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Carbon Dioxide

CAS 124-38-9 · CO2
Hazard class
Warning — Gas under pressure, Irritant / harmful
Pictograms
Gas under pressureIrritant / harmful
H-statements
  • H280 Contains gas under pressure; may explode if heated
  • H281 Contains refrigerated gas; may cause cryogenic burns or injury
  • H336 May cause drowsiness or dizziness
Workplace exposure limits
NIOSH REL TWA 5000 ppm (9000 mg/m3) ST 30 ppm (54 mg/m3)
OSHA PEL TWA 5000 ppm (9000 mg/m3)
IDLH 40 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Molecular weight
44.009 g/mol
Data source
Aggregated classification PubChem
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
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.