WHMIS (Natural gas)

Workplace Hazardous Materials Information System

WHMIS classification - Note to reader
Update: 2026-04-21

  • Flammable gases - Category 1
    • Lower flammable limit = 4,9 %
  • Gases under pressure - Compressed gas1
  • Simple asphyxiants - Category 12

  • WHMIS 2015 pictogram : Flame

  • WHMIS 2015 pictogram : Gaz cylinder

Danger

Extremely flammable gas (H220)
Contains gas under pressure; may explode if heated (H280)
May displace oxygen and cause rapid suffocation

Ingredient disclosure

References

The [number] refers to the Information SST database of the CNESST Documentation Center.