In view of the COVID-19 situation, there’s no need to visit MOM Services Centre for advisory and transaction services. If you’ve made an appointment with us, we will contact you instead. Our eServices, web chat and hotline remain available. We encourage customers to visit our website for the latest updates, including changes to our work pass services during the Circuit Breaker period.
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WSH Act: hazardous substances

Hazardous substances are defined in accordance with the Workplace Safety and Health (WSH) Act.

In accordance with the Act, the following are classified as hazardous substances:

  • Carcinogens
  • Corrosive substances
  • Explosives
  • Flammable substances
  • Gases under pressure
  • Irritants
  • Mutagens
  • Organic peroxides
  • Oxidising substances
  • Pyrophoric substances
  • Self-heating substances
  • Self-reactive substances
  • Sensitisers
  • Substances hazardous to the aquatic environment
  • Substances that emit flammable gases when in contact with water
  • Teratogens
  • Toxic substances