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Fuming Sulfuric Acid

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Fuming Sulfuric Acid

Chemical formula: H2SO4
character:
Colorless or brown oily thick fuming liquid. It has strong irritating odor and strong water absorption. When mixed with water, it generates a lot of heat and can cause explosion. High freezing point is easy to precipitate solid phase. It is highly corrosive and more dangerous than ordinary sulfuric acid, and its steam is harmful to human health if inhaled.

Technical indicators:


ItermCompanylevelGrade
Free SO3%≥20.0/25.0
Ash%≤0.03
Iron content%≤0.010
Arsenic content%≤0.0001


Main purpose:

Important chemical raw materials, widely used in manufacturing dyes, explosives, nitrocellulose, drugs, etc


standard:

GB/T534-2002

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