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Pyrophosphoric acid CAS 2466-09-3

DIPHOSPHORIC ACID;PYROPHOSPHORIC ACID;Pyrophosphoric acid syrupy;PYROPHOSPHORIC ACID, TECH.;eizh;PYROPHOSPHORIC ACID, 90+%;Diphosphoric(V) acid;Pyrophosphoric acidDiphosphoric acid
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  • 2466-09-3

  • bosschem

  • 2466-09-3

Pyrophosphoric acid Basic information
Product Name: Pyrophosphoric acid
CAS: 2466/9/3
MF: H4O7P2
MW: 177.98
EINECS: 219-574-0
Mol File: 2466-09-3.mol
Pyrophosphoric acid Chemical Properties
Melting point 61 °C
density approximate 1.9g/ml (25℃)
form white crystals
pka 0.99±0.10(Predicted)
Water Solubility 709g/100mL H2O (23°C); soluble alcohol, ether [MER06]
Merck 138,098
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-N
CAS DataBase Reference 2466-09-3(CAS DataBase Reference)
EPA Substance Registry System Diphosphoric acid (2466-09-3)

Test

 Specification Result
Appearance colorless crystalline or light yellow liquid conforms
Assay,% min 95% 95.1%
Chloride max 0.002% 0.002%
SO4 % % qualified qualified
Fe max 0.02% 0.019%

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