WHMIS (Acetylene)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader
Update: 2001-08-08
  • WHMIS pictogram : Gaz cylinder

    A

  • WHMIS pictogram : Flame

    B1

  • WHMIS pictogram : Test tube with sparks or lines coming out of the tube surrounded by a letter

    F

A
  • Compressed Gas 1
  • critical temperature = 36,3°C
B1
  • Flammable Gas 2
  • lower flammable limit = 2,5%
F
  • Dangerously Reactive Material 3
  • undergoes vigorous decomposition

Disclosure at 1,0% according to classification criteria

Comments: You may also consult the WHMIS classification for acetylene, dissolved.

WHMIS 2015 classification - Note to reader
Update: 2016-02-18

  • Flammable gases - Category 12 3 4 5
    • Flammable limit - concentration range =79,5 % (2,5-82)
    • Lower flammable limit = 2,5 %
  • Gases under pressure - Dissolved gas1 6
  • Simple asphyxiants - Category 17 8
    • Gas that is liable to cause asphyxiation by the displacement of air.

  • GHS pictogram : Flame

  • GHS 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 ISST database of the CSST Documentation Center.