Sodium acid pyrophosphate(SAPP)

Chemical formula: Na2H2P2O7

Molecular weight: 221.95

Standard executed: Standard executed: Tech grade (national standard)  Food grade (HG 2928-1999)



Properties:

White powder or granular; Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate.

Application:

Used as a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.

Packing and storage:

In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.



Specifications        Food Grade

Appearance            White powder

Main contents (as Na2H2P2O7)%min    95.0

P2O5  %min            63.0-64.0

PH Value             3.5-4.5   

Water Insoluble %max    1.0   

Fluoride (as F)     50ppm   

Heavy Metals (as Pb)     15ppm   

Arsenic (As)        3ppm

Loss on ignition(105) %max    0.5



we can also supply industrial grade SAPP