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Sodium pyrophosphateCAS: 7722-88-5

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    1200 USD/Metric TonGet Latest Price
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Quick Details
Synonyms: Sodium pyrophosphate; Tetrasodium pyrophosphate; TSPP; Tetra Sodium Pyrophosphate; Tetrasodium Diphosohate Classification: Water Treatment Chemicals
EINECS: 231-767-1 Molecular Formula: Na4P2O7
Melting Point: 880℃ Boiling Point: 93.8 °C
Stability: Stable. Incompatible with strong oxidizing agents. Water Solubility: H2O: 0.1 M at 20 °C, clear, colorless
Refractive index: Flash Point: 无意义
Purity: Appearance: White powder or crystal
HazardClass: Brand Name: HOOCHEM
Packaging & Delivery
Packaging Detail: double layer bags of 25Kg net weight.
Delivery Detail: by sea
Detailed Description

Chemical Name:Sodium pyrophosphate
Other name:Tetra-Sodium pyrophosphate decahydrate; TSPP decahydrate;Sodium pyrophosphate decahydrate
Appearance:White powder or crystal
Molecular weight: 265.9
CAS No.: 7722-88-5
EINECS No.: 231-767-1
HS CODE:28353990

2.Properties:White powder; Soluble in water but insoluble in ethanol; Relative density 2.45 and melting point 890C; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70C but will be hydrolyzed into di-sodium phosphate when boiled .

Assay (as Na4P2O7 ): 96.5% min.        

  Item                                   Tech Grade              Food Grade

Main conten(Na4P2O7)%         96.5min                   96.5min
P2O5%                                  51.5min                  51.5min 

PH value                                9.9-10.7                  9.9-10.7   

Water insoluble%                    0.2max                    0.2max

Size(through 60mesh sieve)      90                           90

Fluoride(as F) %                      0.005max                 0.005max

Heavy metal(Pb) %                  0.003max                 0.001max
4.Use: Applied 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.

5.Packing: double layer bags of 25Kg net weight.



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