Recently, Zhejiang Emergency Management Department issued a notice deploying the safety supervision of five newly added hazardous chemicals, including 3-chloropropyne, requiring relevant enterprises in the province to obtain a hazardous chemical work safety license or renew their business license by July 31, 2026.
The notice implements the Notice on Earnestly Conducting the Safety Supervision of Five Hazardous Chemicals Including 3-Chloropropyne (Letter No. 159 [2026] from the Emergency Management Department) issued by the General Office of the Zhejiang Emergency Management Department. The five chemicals - 3-chloropropyne, 2-iodoxybenzoic acid, p-nitrobenzyl 2-diazoacetoacetate, methanesulfonyl azide, and 2-nitro-3-methylbenzoic acid - were previously included in the Catalogue of Hazardous Chemicals (2015 Edition) through an announcement by the Ministry of Emergency Management and nine other departments. The notice requires emergency management departments at all levels to, in accordance with the Classification Information Table for Five Hazardous Chemicals Including 3-Chloropropyne, guide relevant enterprises and the public in understanding the hazardous properties, safety requirements, and emergency response measures of the five chemicals, to organize baseline inspections, and to strengthen safety supervision of relevant enterprises.
Basic Information on the Five Newly Added Hazardous Chemicals
|
Chinese Name |
Alias |
CAS No. |
English Name |
Hazard Class |
|
3-氯丙炔 |
Propargyl chloride |
624-65-7 |
Chloropropyne; 3-chloroprop-1-yne |
Flammable liquid, category 2; Acute toxicity - oral, category 3; Acute toxicity - inhalation, category 3; Skin corrosion/irritation, category 1B; Serious eye damage/eye irritation, category 1; Hazardous to the aquatic environment - long-term hazard, category 3 |
|
2-碘酰基苯甲酸 |
- |
61717-82-6 |
Iodoxybenzoic acid; o-iodoxybenzoic acid |
Explosives, division 1.1; Skin corrosion/irritation, category 2; Serious eye damage/eye irritation, category 2; Specific target organ toxicity - single exposure, category 3 |
|
2-重氮乙酰乙酸对硝基苄酯 |
- |
82551-63-1 |
4-Nitrobenzyl 2-diazoacetoacetate; p-nitrobenzyl 2-diazoacetoacetate |
Explosives, division 1.1 |
|
甲磺酰基叠氮 |
- |
1516-70-7 |
Methanesulfonyl azide |
Explosives, division 1.1 |
|
2-硝基-3-甲基苯甲酸 |
2-Nitro-m-toluic acid; 3-methyl-2-nitrobenzoic acid |
5437-38-7 |
2-Nitro-3-methylbenzoic acid; 3-methyl-2-nitrobenzoic acid |
Skin corrosion/irritation, category 2; Serious eye damage/eye irritation, category 2; Specific target organ toxicity - single exposure, category 3 |
ChemRadar Insights
This represents Zhejiang Province's provincial-level implementation of national-level requirements, and it specifies July 31 as the deadline for licensing. Zhejiang enterprises involved in the production or distribution of the above five hazardous chemicals should promptly verify the chemicals concerned, initiate the process of obtaining a work safety license or renewing a business license, and update their SDS, labels, and safety management systems in accordance with the Classification Information Table, so as to avoid the legal risks of operating without a valid license beyond the deadline.
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