Disodium phosphate: 1.a manufacturer in China,established in 1992 2.hold ISO 9001:2008 quality certificate 3.98% purity SpecificationsDisodium phosphate:Names:disodium hydrogen phosphate Cas No.:10039-32-4 MF:Na2HPO4.12H2O Purity: 98% Used in :food additive, fire retardantChemical formula: Na 2HPO4 ·12H2O

 Molecular Weight: 358.14

Executive standard: GB6008-85

Property: white or colorless crystal,efflorescent in air,easily soluble in water,but insoluble in alcohol,water solution is slightly alkaline,relative density is 1.63,melting point is 34.6.

USE: used as a fire-prevention agent for fabric,timber,and paper,also as water softening agent for boiler,food additive,buffering agent,solder,tanning agent,etc.

Technical Specifications:Assay ≥ 98.0 %

 

Specification	specifications
	Tech.  grade	Food grade
Appearance	White crystals
Main content,            % min	98.0	98.0
Phosphorus pent-oxide,   % min	19.4	19.4
PH of 1% water solution .	8.8-9.2	9.0-9.4
Water insoluble,          % max	0.1	0.05
Heavy metals, as Pb.     % max	-----	0.001
Arsenic,as As.           % max	-----	0.0003
Fluoride,as F.            % max	-----	0.002
Sulfate,as SO4           % max	-----	0.25
Chloride,as Cl.           % max	-----	0.014

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