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Fuming Sulfuric Acid
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.
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：
| Iterm | Company | levelGrade |
| 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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