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Sodium Acid Pyrophosphate (SAPP)    Food Grade

Synonym:              Sodium   Acid Pyrophosphate Anhydrous, Disodium Dihydrogen Pyrophosphate  Disodium Pyrophosphate

Formula:            Na2 H2 P2   O7

CAS No.:            7758 – 16 – 9

Molecular Weight:     221.94


Assay     (as Na2 H2 P2 O7)


95.0 min

Neutralizing     value

71 - 73

Fluorides (as F)


50.0  max



0.0003 max

Heavy     Metal (as Pb) 


15.0  max

Water     insoluble substance


1.0 max

Ph (10g/L)


3.5 – 4.5

Appearance: 1. White powder  2.   White granular



Quick Details

CAS No.:  7758-16-9                                  Other Names: Sodium Acid Pyrophosphate

MF:     Na2H2P2O7                                 EINECS No.: 231-835-0

Place of Origin: Jiangsu, China                           Type: Acidity Regulators

Brand Name: Tianjia                                   Model Number: Food Additive

mesh size: 100 mesh                                   Purity:  Above 95%

Supply Ability

Supply Ability: 800 Metric Tons per Month

Packaging & Delivery

Packaging Details

Packing: PE bags as line-r, woven bag as the outer layer. the net weight of each bag is 25 KGS.

Loading Port: Lianyungang/Qingdao/Shanghai

Lead Time: Within 15 days after the receipt of payment or L/C at sight.


Usage: Used as rapid ferment agent, quality improver in food industry. Applied to acid component of synthetic swelling agent, such as, bread, cake. Built with other phosphates can be applied to water retention of meat product, such as canned meat, cooked ham, meat can and instant noodles.


Storage and transport: Stored in a dry and ventilative warehouse; Keep away from moisture and poisonous substances. Handled with care.