To further strengthen the safety supervision of hazardous chemicals and refine the scope of management for Entry No. 1728, "Nonane and its isomers", in the Catalogue of Hazardous Chemicals, the following 35 nonane isomers are hereby supplementally included under Entry No. 1728 of the China Catalogue of Hazardous Chemicals (2026 Edition) for regulatory implementation.

Supplementary content:
Straight-chain alkanes: 1 type
Methyloctanes: 3 types
Dimethylheptanes: 9 types
Ethylheptanes: 2 types
Trimethylhexanes: 8 types
Methyl ethyl hexanes: 4 types
Tetramethylpentanes: 4 types
Dimethyl ethyl pentanes: 3 types
Diethylpentanes: 1 type

Update to the China Catalogue of Hazardous Chemicals (2026 Edition)-Inclusion of 35 Nonane Isomers under Entry No. 1728

On April 16, 2026, the Ministry of Emergency Management, in conjunction with the Ministry of Industry and Information Technology, the Ministry of Public Security, the Ministry of Ecology and Environment, the Ministry of Transport, the Ministry of Agriculture and Rural Affairs, the National Health Commission, the State Administration for Market Regulation, the National Railway Administration, and the Civil Aviation Administration of China, jointly issued Announcement No. 3 of 2026, deciding to incorporate five chemicals—3-Chloropropyne, 2-Iodoxybenzoic acid, 4-Nitrobenzyl 2-diazoacetoacetate, Methane sulfonyl azide, and 3-Methyl-2-nitrobenzoic acid—into the China Inventory of Hazardous Chemicals (2015).

This adjustment was made in accordance with the relevant provisions of the Regulations on the Safety Management of Hazardous Chemicals. The announcement shall come into effect from the date of its promulgation.

5 substances were added to the China Inventory of Hazardous Chemicals

On January 21, 2026, the Ministry of Emergency Management, in conjunction with multiple departments, issued an announcement proposing to include five highly hazardous chemicals—3-Chloropropyne, 2-Iodoxybenzoic acid, 4-Nitrobenzyl 2-diazoacetoacetate, Methane sulfonyl azide, and 3-Methyl-2-nitrobenzoic acid—into the Catalogue of Hazardous Chemicals. For details, please refer to the Notice on Public Solicitation of Comments on the Announcement (Draft for Comment) Regarding the Inclusion of Five Chemicals Including 3-Chloropropargyl into the Catalogue of Hazardous Chemicals.

This initiative aims to strengthen the regulation of high-risk chemicals from the source and represents a crucial measure to enhance the full life-cycle safety management of hazardous chemicals. The announcement is currently open for public comments until February 21, 2026.

5 substances proposed for inclusion to the China Catalog of Hazardous Chemicals

All diesel fuel was added to the Catalog of Hazardous Chemicals in China(2015). 

All diesel fuel was added to the Catalog of Hazardous Chemicals in China(2015)

UN number of substances were added to the Catalog of Hazardous Chemicals in China(2015).

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