Orthophosphorus acid
Synonym(s):Phosphonic acid
- CAS NO.:10294-56-1
- Empirical Formula: H3O3P
- Molecular Weight: 82
- EINECS: 233-663-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Orthophosphorus acid?
The Uses of Orthophosphorus acid
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.
Properties of Orthophosphorus acid
| 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 information for Orthophosphorus acid
Computed Descriptors for Orthophosphorus acid
New Products
DL-beta-(3-Bromophenyl)alanine Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid 2-Amino-5-bromo-4-(trifluoromethyl)pyridine(RM for Indian lab) N,N CARBONYL DIIMIDAZOLE Levothyroxine Impurity-F Montelukast EP Impurity-D/Montelukast USP Related Compound C Atorvastatin FXA Impurity/Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt Isosulfan blue Keto N-Oxide Impurity Ivermectin Impurity F N-Nitroso des Methyl Tramadol/N-Nitroso-N-Desmethyl-Tramadol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 1,4-bis(methylsulfonyl)butane 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene CSA (DL-10-Camphorsulfonic Acid) 2-Hydroxy-4-methylnicotinic acid 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (2S)-1-((2S,3S)-3-(2-methylbutyl)-4-oxooxetan-2-yl)pentadecan-2-yl formylleucinate 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethane-1-sulfonyl chloride S-(1-(3,5-dichlorophenyl)-2,2,2-trifluoroethyl) ethanethioateRelated products of tetrahydrofuran







You may like
-
Phosphorous Acid 99%View Details -
13598-36-2 / 10294-56-1 98%View Details
13598-36-2 / 10294-56-1 -
Phosphorous acid 99%View Details
13598-36-2 / 10294-56-1 -
Phosphorous acid 13598-36-2 / 10294-56-1 99%View Details
13598-36-2 / 10294-56-1 -
Phosphorous Acid CASView Details -
Phosphorous Acid CASView Details -
H-D-TRP(FOR)-OH HCL 98+View Details
367453-01-8 -
1428243-26-8 98+View Details
1428243-26-8
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
