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CAS No.: 7758-16-9
Other Names: Sodium Acid Pyrophosphate
MF: Na2H2P2O7
EINECS No.: 231-835-0
FEMA No.: Sodium Acid Pyrophosphate
Place of Origin: China (Mainland)
Type: Acidity Regulators,Antioxidants,Chewing Gum Bases,Colorants,Emulsifiers,Enzyme Preparations,Flavoring Agents,Nutrition Enhancers,Preservatives,Stabilizers,Sweeteners,Thickeners
Brand Name: Vidar
Model Number: Vidar

Specifications

1.Desprition of SAPP:

Chemical formula : Na2H2P2O7
Molecular weight: 221.95

CAS Number: 7758-16-9

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.
2.Our Advantages:
1) High Quality and Factory Price.
2) Free Sample can be send by approval.
3) The Fastest Delivery service.
4) The Best After-Sale service.
3.Application of SAPP:
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.
4.Specification of SAPP:

NO

Specifications

Industrial Grade

Food Grade

1

Appearance

White powder

White powder

2

Assay(as Na2H2P2O7)%≥

95.0

95.0

3

P2O5%≥

63.0-64.0

63.0-64.0

4

PH Value

3.5-4.5

3.5-4.5

5

Water Insoluble %

1.0

1.0

6

Fluoride (as F) % 

 

0.005

7

Heavy Metals (as Pb) % 

 

0.001

8

Arsenic (As)% 

 

0.0003

9

Loss on ignition(105℃) %≤

0.5

0.5


5.Package and Storage 
of SAPP:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.