Basic information
- Name:
Disodium phosphate dodecahydrate
- CAS No.:
10039-32-4
- Molecular Structure:
- Formula:
- H25Na2O16P
- Molecular Weight:
- 358.14
- Synonyms:
- Phosphoricacid, disodium salt, dodecahydrate (8CI,9CI);Disodium hydrogen orthophosphatedodecahydrate;Disodium hydrogen phosphate dodecahydrate;Disodium monohydrogenphosphate dodecahydrate;Disodium orthophosphate dodecahydrate;Disodiumphosphate (Na2HPO4) dodecahydrate;Disodium phosphate (Na2HPO4.12H2O);Phosphoric acid, sodiumsalt, hydrate (1:2:12);Disodium phosphate dodecahydrate (Na2HPO4.12H2O);Monohydrogen disodium phosphate dodecahydrate;Monosodium phosphatedodecahydrate;Phosphoric acid disodium dodecahydrate;Sodium phosphate(Na2HPO4) dodecahydrate;Sodium phosphate dibasic;
- EINECS:
- 231-448-7
- Density:
- 1.52 g/cm3
- Melting Point:
- 35 °C
- Boiling Point:
- 158 °C at 760 mmHg
- Solubility:
- 218 g/L (20 °C) in water
- Appearance:
- white crystals
- Safety Description:
- 24/25 Details
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Chemistry
Molecule structure of Disodium phosphate dodecahydrate (CAS NO.10039-32-4):
IUPAC Name: Disodium hydrogen phosphate dodecahydrate
Molecular Weight: 358.142201 g/mol
Molecular Formula: H25Na2O16P
Density: 1.52 g/cm3
Melting Point: 35 °C
Boiling Point: 158 °C at 760 mmHg
Vapour Pressure: 1.41 mmHg at 25 °C
Water Solubility: 218 g/L (20 °C)
H-Bond Donor: 13
H-Bond Acceptor: 16
Exact Mass: 358.067561
MonoIsotopic Mass: 358.067561
Topological Polar Surface Area: 95.4
Heavy Atom Count: 19
Canonical SMILES: O.O.O.O.O.O.O.O.O.O.O.O.OP(=O)([O-])[O-].[Na+].[Na+]
InChI: InChI=1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2
InChIKey: DGLRDKLJZLEJCY-UHFFFAOYSA-L
EINECS: 231-448-7
Product Categories: Food additives; water retention agent; Cm phosphorus compounds and phosphates; inorganic chemical products; salts; mineral additives; feed additive
Uses
Disodium phosphate dodecahydrate (CAS NO.10039-32-4) is used as quality improver. It is also used as boiler water softener, fabric, wood and paper fire retardant, glaze and coat. Disodium phosphate dodecahydrate is used for the production of detergents, cleaning agents and the print version of mordant dyeing.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 430mg/kg (430mg/kg) | Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 257, Pg. 791, 1963. |
Safety Profile
Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: TC5725000
HS Code: 28352200
Specification
Disodium phosphate dodecahydrate (CAS NO.10039-32-4) is also named as Disodium hydrogen phosphate, dodecahydrate ; Disodium orthophosphate, dodecahydrate ; Phosphoric acid, disodium salt, dodecahydrate ; Sodium monohydrogen phosphate dodecahydrate (2:1:1:12) ; Sodium phosphate, dibasic, dodecahydrate ; UNII-E1W4N241FO . Disodium phosphate dodecahydrate (CAS NO.10039-32-4) is white crystals. It is soluble in water, insoluble in ethanol .