WHMIS (Cesium)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-08-04

  • Pyrophoric solids - Category 11 2 3 4
  • Substances which, in contact with water, emit flammable gases - Category 15 6
  • Skin corrosion/irritation - Category 1
  • Serious eye damage/eye irritation - Category 1
  • Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation
  • Physical hazards not otherwise classified (exclamation mark) - Category 11 2 3 4

  • WHMIS 2015 pictogram : Flame

  • WHMIS 2015 pictogram : Corrosion

  • WHMIS 2015 pictogram : Exclamation mark

Danger

Catches spontaneously if exposed to air (H250)
In contact with water releases flammable gases which may ignite spontaneously (H260)
Causes severe skin burns and eye damage (H314)
May cause respiratory irritation (H335)
Reacts violently or explosively in contact with water at ambient temperature

Ingredient disclosure

Comments: There are no data available for caesium regarding its irritation or corrosion ability. However, it forms on contact with water a corrosive substance : cesium hydroxide.

References

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