Phosphoric Acid
- 中文名称:磷酸
- CAS:7664-38-2
- UN Code:3453
- Individual Weight:25kg
- EINECS:231-633-2
- HS Code:
- Purity:85%
Description
Phosphoric acid (orthophosphoric acid) is a colorless, odorless, viscous moderately strong acid. Commercially available as an 85% aqueous solution, it is hygroscopic and corrosive. It reacts with alkalis and metal oxides to form phosphates, and dehydrates to pyrophosphoric acid and metaphosphoric acid at high temperatures.
Physical & Chemical Properties
- Molecular FormulaH3O4P
- Density:1.9g/cm³g/cm³
- Boiling Point:
- Molecular Weight:98.0g/mol
- Flash Point:
- Melting Point:42℃
Safety, Security & Risk
Chemical Hazards
This substance is a moderately strong acid.It reacts violently with alkalis.In the presence of azo compounds and epoxides, the substance undergoes vigorous polymerization.Toxic fumes of phosphorus oxides are formed upon combustion.Contact with alcohols, aldehydes, cyanides, ketones, phenols, esters, sulfides or halogenated organic compounds may cause decomposition and generate toxic fumes.It corrodes many metals and produces flammable and explosive gases.
This substance is a moderately strong acid.It reacts violently with alkalis.In the presence of azo compounds and epoxides, the substance undergoes vigorous polymerization.Toxic fumes of phosphorus oxides are formed upon combustion.Contact with alcohols, aldehydes, cyanides, ketones, phenols, esters, sulfides or halogenated organic compounds may cause decomposition and generate toxic fumes.It corrodes many metals and produces flammable and explosive gases.
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