Under the Ministry of Industry (MOI), total of 6 relevant regulatory bodies from 4 ministries are involved in the implementation of the Hazardous Substance Act B.E. 2535 (HSCA) Dept. of Industrial Works (DIW) under the ministry of Industry monitoring the operations of factory and industrial chemicals.
All producers, importers, carriers and persons in possession of listed HS must notify, register or submit application of a license at the Hazardous Substances Control Bureau, DIW
Notification to Department of Industrial Works (DIW) via the online system
Only required for hazardous substances listed in annex 5.6
Information required as:
There are two chemical inventories in Thailand Chemical regulation as:
Submit Notification Dossier to include product composition, manufacturing process, label, MSDS, toxicity data, use, analytical methods
Companies may choose to keep some composition information to themselves due to CBI concern. Under such circumstances, the company has to take its own risk since the DIW could only evaluate the chemicals are hazardous or not based on the information provided. To avoid disclosing this information, the consultant recommends using a third-party representative to deal directly with the DIW on substance identity.
Thailand has implemented GHS through the Hazardous Substance Act and Hazard Classification and Communication System of Hazardous Substances B.E. 2555 (2012). GHS SDSs and labels are required for hazardous substances from 13th March 2013 and for mixtures from 13th March 2017.