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Disodium phosphate dodecahydrate

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Name

Disodium phosphate dodecahydrate

EINECS 231-448-7
CAS No. 10039-32-4 Density 1.52 g/cm3
PSA 203.99000 LogP -0.82380
Solubility 218 g/L (20 °C) in water Melting Point 35 °C
Formula H25Na2O16P Boiling Point 158 °C at 760 mmHg
Molecular Weight 358.14 Flash Point N/A
Transport Information N/A Appearance white crystals
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 10039-32-4 (Disodium phosphate dodecahydrate) Hazard Symbols N/A
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;

 

Disodium phosphate dodecahydrate Chemical Properties

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: H25Na2O16
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

Disodium phosphate dodecahydrate 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.

Disodium phosphate dodecahydrate 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.

Disodium phosphate dodecahydrate Safety Profile

Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: TC5725000
HS Code: 28352200

Disodium phosphate dodecahydrate 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 .

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