industrial flame retardant disodium phosphate

1 12 years of produce phosphate 2 fast shipment 3 MOQ:2 tons

Disodium  phosphate

Chemical formula         Na2HPO4·12H2O

Molecular weight         358.14

Properties          White or colorless free-flowing granular crystals,effloresscent in air,soluble in water,but non-soluble in alcohol; solution  is slightly alkaline, specific gravity at 1.52,and melting point at 34.6.

Application       Used as fire-preventing agent for fabric ,timber,and paper; as water softener for boilers, as food additive,buffer agent to acidty,as glaze,solder,baking powder,tanning agent,and for manufacture of pyphosphate,etc.

package:  25kg or 50kg net in plastic-woven sack with inner polythene film bag.Store in a ventilated,dry place.

Technical specifications

NO	Specifications	Industrial Grade	Food Grade
1	Main content        %≥	98.0	98.0
2	Phosphorus pentoxide %≥	19.4	19.4
3	PH value of 1% solution	8.5∼10.0	8.5∼10.0
4	Water insoluble     %≤	0.1	0.1
5	Sulfate,as SO4       %≤		0.05
6	Chloride, as Cl      %≤		0.014
7	Frioride,as F         %≤		0.005
8	Heavy metal,as pb   %≤		0.001
9	Arsenic,as As       %≤		0.0003

industrial flame retardant disodium phosphate