Sodium Phosphate Dibasic

Catalog	ACM7558794-1
CAS	7558-79-4
Structure
Category	Flocculant
Description	Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used as a fertilizer, in pharmaceuticals, in food processing, and for many other uses.;DryPowder; Liquid; PelletsLargeCrystals;Anhydrous disodium hydrogen phosphate is a white, hygroscopic, odourless powder. Hydrated forms available include the dihydrate: a white crystalline, odourless solid; the heptahydrate: white, odourless, efflorescent crystals or granular powder; and the dodecahydrate: white, efflorescent, odourless powder or crystals;WHITE OR COLOURLESS HYGROSCOPIC CRYSTALS OR POWDER.
IUPAC Name	disodium; hydrogen phosphate
Molecular Weight	141.96
Molecular Formula	HNa2O4P
Canonical SMILES	[Na+].[Na+].[O-]P([O-])(=O)O
InChI	InChI=1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI Key	BNIILDVGGAEEIG-UHFFFAOYSA-L
Melting Point	250 oC decomp.
Density	1.8 to 2.5 at 77 °F (USCG, 1999);approx 1.7 g/cu cm;0.5-1.2 g/cm³
Solubility	greater than or equal to 100 mg/mL at 68° F (NTP, 1992);Freely soluble in water. Insoluble in ethanol;11.8 g/100 g water at 25 °C;Soluble in 8 parts water, much more soluble in hot water. Solubility per 100 gal water increases from 14 lbs at slightly >0 °C to over 900 lbs at 95 °C. Insoluble in alcohol. /Anhydrous/;Solubility in water, g/100ml at 20 °C: 7.7
EC Number	231-448-7
LogP	-5.8 (calculated)
MDL Number	MFCD00003496
Stability	On exposure to air, it absorbs 2-7 moles water depending on humidity and temperature.;Stable in air. /Disodium Phosphate Heptahydrate/;Readily loses 5 mols water on exposure to air at ordinary temp. /Disodium Phosphate Dodecahydrate/

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