Specific Q: According to the "Implementation Guide for the Catalogue of Hazardous Chemicals (2015) (Trial)", liquid ammonia is categorized as a flammable gas, Category 2. However, in reality, ammonia is difficult to ignite, as explained in Article 2.0.26 of the "Code for design of electrical installations in explosive atmospheres" (GB 50058-2014): "Experience shows that ammonia is very difficult to ignite...". Additionally, in the ChemWatch Review SDS for ammonia, it is not classified as a flammable gas, and its physicochemical properties do not indicate flammability. Therefore, ammonia should not be classified as a flammable gas; its primary hazard should be toxicity.
A: Please adhere to the requirements of the "Catalogue of Hazardous Chemicals (2015)" and the "Implementation Guide for the Catalogue of Hazardous Chemicals (2015) (Trial)", and make determinations based on the relevant principles.
Attachments
- Catalogue of Hazardous Chemicals (2015)
- Announcement on the Adjustment of the Catalogue of Hazardous Chemicals (2015)
- Implementation Guide for the Catalogue of Hazardous Chemicals (2015) (Trial)
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