ChemicalBook > Product Catalog >Inorganic chemistry >Inorganic salts >Phosphide And metal phosphates >Orthophosphorus acid
Orthophosphorus acid
![Orthophosphorus acid Structure](CAS/GIF/10294-56-1.gif)
- CAS No.
- 10294-56-1
- Chemical Name:
- Orthophosphorus acid
- Synonyms
- Phosphorous acid;Phosphorous acid 50% aqueous solution;Phosphorou acid;Orthophosphorus acid;Orthophosphorus acid ISO 9001:2015 REACH
- CBNumber:
- CB12131082
- Molecular Formula:
- H3O3P
- Molecular Weight:
- 82
- MOL File:
- 10294-56-1.mol
- Modify Date:
- 2023/5/4 15:16:29
pka | 2.22±0.10(Predicted) |
---|---|
CAS DataBase Reference | 10294-56-1 |
NIST Chemistry Reference | H3PO3(10294-56-1) |
EPA Substance Registry System | Phosphorous acid (10294-56-1) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | ![]() ![]() GHS07,GHS05 |
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Signal word | Danger | |||||||||
Hazard statements | H302-H314 | |||||||||
Precautionary statements | P264-P270-P301+P312-P330-P501-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501 | |||||||||
Hazard Codes | Xn,C | |||||||||
Risk Statements | 22-35 | |||||||||
Safety Statements | 1/2-26-36/37/39-45 | |||||||||
RIDADR | UN 2834 | |||||||||
NFPA 704 |
|
Orthophosphorus acid Chemical Properties,Uses,Production
Uses
Phosphorous acid is a reducer in chemical reactions and a raw material in the making of phosphorous acid salts. A plant defoliant.
Definition
A white crystalline solid. It is a monobasic acid forming the anion H2PO2- in water. The sodium salt, and hence the acid, can be prepared by heating yellow phosphorus with sodium hydroxide solution. The free acid and its salts are powerful reducing agents.
Orthophosphorus acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 165)Suppliers
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10294-56-1(Orthophosphorus acid)Related Search:
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Orthophosphorus acid
Orthophosphorus acid ISO 9001:2015 REACH
Phosphorous acid
Phosphorous acid 50% aqueous solution
Phosphorou acid
10294-56-1