Malaysia CLASS Regulations

Little Pro on 2016-01-04

Malaysia's Occupational Safety and Health (Classification, Labelling and Safety Data Sheet of Hazardous Chemicals) Regulations (known as CLASS Regulations) were gazetted on 11 October 2013, officially introduce GHS into Malaysia and require mandatory notification of hazardous chemicals.

A manufacturer or importer is required to prepare an inventory of hazardous chemicals, imported or supplied in a quantity of 1 ton per year or above for each calendar year. Such an inventory shall be submitted to the Department of Occupational Safety and Health no later than 31 March in the following year.

CLASS regulations also require chemical manufacturers, importers, formulators, and distributors to classify, label and package chemicals, and compile safety data sheets according to the Industry Code of Practice(ICOP) which is aligned with UN GHS Rev. 3.

Scope of CLASS Regulations

CLASS Regulations only apply to chemicals supplied for use at a place of work. The regulations do not apply to:

  • Radio-active materials;
  • Wastes;
  • Cosmetics or pharmaceuticals;
  • Pesticides;
  • A chemical used for R&D(less than 5kgs);
  • A chemical in transit prior to export;
  • Articles not containing chemicals intended to be released;

Notification of Inventory of Hazardous Chemicals

A manufacturer or importer shall compile an inventory of hazardous chemicals (substance or mixture) supplied in the quantity of 1t/y or above. The inventory shall include the following information:

  • Product identifier;
  • Name of each hazardous chemical;
  • Composition and ingredients of each hazardous chemical;
  • Hazard classification;
  • Total quantity of each hazardous chemical supplied;

The inventory of hazardous chemicals for each calendar year shall be notified to the Director General no later than 31 March in the following year. The first notification starts on 1 Jan 2016 for the inventory of hazardous chemicals supplied in 2015 and ends on 31 March 2016.

To submit notifications, please click the link below.

Industry Code of Practice on Chemicals Classification and Hazard Communication

ICOP is promulgated as a guidance to help the industry comply with CLASS Regulations. It sets out detailed requirements on chemical classifications, labelling and safety data sheets (SDS).

ICOP consists of four parts:

  • Part I: List of Classified Chemicals
  • Part II: Chemicals Classification
  • Part III: Hazard Communication: Labelling and Safety Data Sheet
  • Part IV: Confidential Business Information

For more info about ICOP and GHS in Malaysia, please click here.

Contact Authority

  • Ramesh Zakir bin Shamzul;
  • Tel: +60-(0)3-8871 1276;
  • Email:

Reference & Resources

Click here to access all references and resources for Malaysia including the English translation of regulations, regulatory lists and useful links to the websites of competent authorities.

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 Tags: Topics - MalaysiaREACH-like Regulation and Registration