Basic information
- CAS
7782-95-8- Standard SMILES
O=P([O-])(O)P(=O)([O-])O.[Na+].[Na+]- InChIKey
UESMVAGJGMPHAN-UHFFFAOYSA-L- Molecular formula
- H2Na2O6P2
- Average molar mass
- 205.94 g/mol
- Monoisotopic mass
- 205.91220034
Names & identifiers
- Preferred name
- Disodium dihydrogen hypophosphate
- IUPAC
- disodium;hydroxy-[hydroxy(oxido)phosphoryl]phosphinate
- English name
- disodium diphosphate
- Molecular formula
- H4O6P2.2Na
- Molecular weight
- 207.96
Names & synonyms
Disodium hypophosphateDISODIUM DIHYDROGEN HYPOPHOSPHATESodium acid hypophosphateUNII-MR6TW8IQ9XMR6TW8IQ9X7782-95-8Sodium dihydrogen hypophosphateDisodium dihydrogen subphosphateHSDB 374EINECS 231-972-6disodium dihydrogen hypodiphosphateDISODIUM DIHYDROGEN HYPOPHOSPHATE [MI]
Show more names
Aids071016Aids-071016sodium hypophosphate - Na2H2P2O6hydroxy-[hydroxy(oxido)phosphoryl]phosphinatedisodium,hydroxy-[hydroxy(oxido)phosphoryl]phosphinate
DISODIUM DIHYDROGEN HYPOPHOSPHATE [HSDB]RefChem:135033DTXCID801426007Disodium dihydrogen diphosphateDisodium dihydrogen pyrophosphateSodium acid pyrophosphateDisodium pyrophosphateDISODIUM DIPHOSPHATEDTXSID80999029DinatriumdiphosphatHypophosphoric acid, disodium salt
Database identifiers
- CAS
7782-95-8- PubChem CID
- 24535
- UNII
- MR6TW8IQ9X
- EC Number
- 231-972-6
Properties
Computed structural properties
- Topological polar surface area
- 121 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 1
- Heavy atoms
- 10
- Formal charge
- 0
- Complexity
- 131
Experimental & physicochemical properties
Chemical ClassesMetals -> Phosphates, Metallic Salts
pHAqueous solutions have an acid reaction.
SolubilitySoly in water at 25 °C: 2.0 g/100 ml; at 100 °C: 25.0 g/100 ml. Insol in alc. /Hexahydrate/
Melting Point250 °C
Physical DescriptionHexahydrate: Colorless solid; [HSDB]
Other Experimental Properties
COLORLESS, MONOCLINIC CRYSTALS; SOL IN DILUTE SULFURIC ACID, AMMONIUM HYDROXIDE; INSOL IN ETHANOL; INDEX OF REFRACTION: 1.468, 1.490, 1.504; DENSITY 1.849 /HEXAHYDRATE/
Monoclinic plates from water. Specific gravity: 1.849. Becomes anhydr at 110 °C. /Hexahydrate/
Physicochemical properties
- solubility
- insoluble in ethanol
- color
- monoclinic plates
- Water Solubility
- 2 at · 2.0 at 25℃
- FDA UNII
- 6 TW8IQ9X · MR6TW8IQ9X
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Hazard information
Regulatory Information
Chemical: Hypophosphoric acid, disodium salt
Disodium hypophosphate: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Other Safety InformationEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia
Hazards SummaryEmergency treatment: Laxatives- saline; [HSDB]
Safety & protection
Disposal Methods
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Safety data
- tsca
- TSCA listed
- Hazardous Substances Data
- 7782-95-8(Hazardous Substances Data)
Chemistry & industry
Uses & manufacturing
U.S. Production(1986) No Data
Methods of ManufacturingPrepd by the oxidation of red phosphorus with sodium chlorite in water.
General Manufacturing InformationHypophosphoric acid, sodium salt (1:2): INACTIVE
Suppliers2 total
陕西缔都医药化工有限公司029-029-029-81148696 18161915376 · [email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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