Property: White powder: Soluble in water but insoluble in ethanol;
Relative density 2.*5g/cm3 and welting point **0OC; Deliquescent in
the open air. Its aqueous solution shows weak alkalinity and is
stable at *0OC but will be hydrolyzed into di-sodium phosphate when
boiled..
Uses: Applies in industries of detergents as detergent auxiliary,
paper production to bleach and electroplating; In food industry it
is used as buffering agent, emulsifier, nutrition ingredients and
quality improver. Technical
Specifications:
SPECIFIDATIONS TECH GRADE FOOD
GRADE
Na4P2Q7
*6.5%min *6.5%min
Ortho Phosphate pass
pass
PH of 1% solution 9.***0.9 9.***0.7
P2Q5
*1.5%min *1.5%min
Water insoluble 0.1% max
0.1%max
F
0.**5%max
Pb
0.**1%max
Size *0
*0
Loss on ignition
0.5%max
AS
0.***3%max