Thailand Hazardous Substances List

Little Pro on 2016-01-05

The Hazardous Substances List in Thailand includes over 1,500 entries of chemicals that are controlled by various authorities under Thailand Hazardous Substances Act. This list is further divided into 6 annexes based on responsible authorities.

Annex 1
  • Department of Agriculture;
  • Mainly pesticide active ingredients, products containing active ingredients and banned pesticides;
  • Example: glyphosate, crop protection formulations containing active ingredients.
Annex 2
  • Department of Fisheries;
  • Chemicals used in biocides for the purpose of controlling, preventing, and destroying microorganisms, parasites, plants or other animals in fisheries and aquatic animal farming;
  • Example: Sodium hypochlorite;
Annex 3
  • Department of Live Stock Development;
  • Veterinary drugs; and
  • Chemicals used in disinfection and cleaning products for animal feed manufacturing, animal farm, slaughter house and animal processing product manufacturing;
  • Example: coumatetralyl, chlorine or chlorine releasing substances, cathionic surfactants;
Annex 4
  • Food and Drug Administration;
  • Mainly for chemicals used in household or public health activity (killing or preventing insects, rodents, etc.);
  • Example: Cyclohexyl acetoacetate;
Annex 5
  • Department of Industrial Works (DIW);
  • 5.1 Controlled chemical substances with clear identifiers (for example, chorine, acrylic acid, acetic acid, ozone-depleting substances);
  • 5.2 Chemical wastes;
  • 5.3 Used electrical and electronic appliance
  • 5.4 Other substances such as hydrochlorofluorocarbons;
  • 5.5 Chemical weapons;
  • 5.6 All other chemicals meeting the definition of hazardous substances under the Hazardous Substances Act [New in 2015].
Annex 6
  • Department of Energy
  • Natural gas and liquefied petroleum gas

On the hazardous substances list, you can find the English name and CAS No. of a hazardous substance, its management type and applicable conditions. The management type determines what kind of regulatory actions are needed for compliance.

The picture below is an example of two hazardous substances listed in annex 5.1 subject to the control of the Department of Industrial Works (DIW)

Thailand Hazardous Substances List

By referring to the table below you can find out how above two hazardous substances are regulated in Thailand.

Type 1
  • Hazardous substances that require monitoring due to their low degree of hazard;
  • Compliance with the rules, procedure and conditions as prescribed by responsible Ministry;
  • For example, DIW requires the notification of the production and import of >1t/y hazardous chemicals (type 1).
Type 2
  • Hazardous substances that that are subject to both monitoring and controlling;
  • Registration required;
Type 3
  • Hazardous substances that are subject to stricter control because of their higher degree of hazard;
  • Registration & license required;
Type 4
  • Hazardous substances that are considered to pose a vital risk to humans;
  • Prohibition of production, import, export, or possession;

Note: In Thailand, hazardous substances include both substances and mixtures.

Amendment of Thailand Hazardous Substances List

The hazardous substance list has been amended several times since it was firstly published in 1995. The consolidated list of hazardous substances was published in 2013 via DIW notice B.E. 2556 and is amended by DIW B.E.2558 published in Feb 2015.

Attention shall be drawn to the annex 5.6 of the Hazardous Substances List. It is a new generic entry covering all other chemicals (including both substances and mixtures) meeting the definition of hazardous substances under the Hazardous Substances Act (added in Feb 2015 by B.E. 2558). Type 1 has been assigned to this entry. Most of substances or mixtures meeting GHS classification criteria will fall within its scope. It is new obligation for manufacturers and importers to notify their production and import if the volume of a hazardous substance or mixture exceeds 1 ton per year.

More Readings

Reference & Resources

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

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 Tags: Topics - ThailandControlled Chemicals Trade