WHMIS (Chromium trioxide)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2018-04-06

  • Oxidizing solids - Undefined category1
    • This hazard class has been assigned according to the information obtained from the consulted scientific literature, but it does not allow to specify the hazard category.
  • Acute toxicity - oral - Category 22 3 4
  • Acute toxicity - dermal - Category 22 5
  • Acute toxicity - inhalation - Category 22 3 4
  • Skin corrosion/irritation - Category 12 3 5 6
    • Strong acid: pH of a 1% solution = 1,1
  • Serious eye damage/eye irritation - Category 12 3 5 6
  • Respiratory sensitization - Category 16 7 8 9
  • Skin sensitization - Category 1A4 6 10 11
  • Carcinogenicity - Category 1A3 16 17
  • Reproductive toxicity - Category 1B4 6 14 18 19 20
    • Toxic to the development (Category 1B)
    • Toxic to the reproductive function (Category 2)
  • Health hazards not otherwise classified (corrosion) - Category 1

  • WHMIS 2015 pictogram : Flame over circle

  • WHMIS 2015 pictogram : Skull and crossbones

  • WHMIS 2015 pictogram : Corrosion

  • WHMIS 2015 pictogram : Health hazard

Danger

Oxidizing Solids : Undefined hazard statement
Fatal if swallowed (H300)
Fatal in contact with skin (H310)
Fatal if inhaled (H330)
Causes severe skin burns and eye damage (H314)
May cause allergy or asthma symptoms or breathing difficulties if inhaled (H334)
May cause allergic skin reaction (H317)
Suspected of causing genetic defects (H341)
May cause cancer (H350)
May damage fertility or the unborn child (H360)
Causes severe damage to the respiratory tract

Ingredient disclosure

Comments: This classification is based on all available data for all water-soluble hexavalent chromium (Cr VI) as potassium dichromate.

References

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