Description
SODIUM ACID PYROPHOSPHATE FOOD GRADE
Chemical name
Disodium Dihydrogen Pyrophosphate, Sodium Acid Pyrophosphate
Molecular formula
Na2H2P2O7
Molecular Weight
221.94
Performance
white monoclinic crystal powder. Its relative density is 1.86. It is soluble in water,
insoluble in alcohol. It hydrolyzes to orthophosphate when heated in acid medium.
It is hygroscopic, forms hexahydrate in damp air, and decomposes to metaphosphate
at above 220ºC
Quality standards
(FCC-V,GB25567-2010)
Name of index
FCC-V
GB25567-2010
Content (as counted by Na2H2P2O7) ≥ %
93.0-100.5
93.0-100.5
Water Insoluble% ≤%
1.0
1.0
PH (1% aqueous solution)
-
3.5-4.5
Arsenic(As), % ≤
0.0003
0.0003
Heavy Metals (as Pb), %≤
-
0.001
Fluoride(F), % ≤
0.005
0.005
Pb % ≤
0.0002
0.0002
Uses
In food industry, it is used as rapid ferment agent, quality improver and applied as
acid component of bread and cake's synthetic leavening agent. Mixed with other phosphates
can be applied to water retention of meat product, such as canned meat, cooked ham, meat
can and instant noodles. 7. Packing: In 25kg composite plastic woven/paper bag with PE liner .
Packing
In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport
It should be stored in a dry and ventilative warehouse and kept away from moisture and
poisonous substances. Handled with care, so as to avoid damage to packing bags.
Complaint
