Sulfuric acid, hydrochloric acid fire hazard classification belongs to several categories?

Sulfuric acid, hydrochloric acid is a corrosive material belonging to the eighth category of corrosive products, fire hazard belongs to the fourth category of flammable solids, spontaneous combustion of goods and moisture flammable goods.

The fourth category of flammable solids, spontaneous combustion and moisture flammable items: flammable solids refers to low ignition point, heat, impact, friction-sensitive, easy to be ignited by external sources of ignition, burning rapidly, and may emit toxic fumes or toxic gases of the solids, but does not include items that have been included in the explosives.

The eighth category of corrosive products: this category of chemicals refers to solid or liquid that can burn human tissue and cause damage to metal and other items. Contact with the skin within 4h visible necrosis, or temperature of 55 ℃, the surface of 20-gauge steel uniform annual corrosion rate of more than 6.25mm / y solid or liquid.

Expanded Information

In order to ensure the safety of experiments as well as life, China formulated the "Classification and Symbolization of Commonly Used Hazardous Chemicals" (GB 13690-92), which classifies hazardous chemicals into 8 categories and 21 items according to their danger.

This standard specifies the classification of commonly used hazardous chemicals, hazard symbols and hazardous characteristics, also classifies 1074 commonly used hazardous chemicals and specifies the categories of hazardousness, hazard symbols and hazardous characteristics.

Scope of application is applicable to the production, use, storage and transportation of commonly used hazardous chemicals, also applicable to other chemicals.

Baidu Encyclopedia - Hazardous Categories