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Pyrophosphoric acid

**** Identification ****
Name: Pyrophosphoric acid
Synonyms: Diphosphoric acid
Molecular Structure: chemoffer CAS #: 2466-09-3
Molecular Formula: H4P2O7
Molecular Weight: 177.97
CAS Number: 2466-09-3
EINECS: 219-574-0
**** Properties ****
Melting point: 61°C
**** Safety Data ****
Hazard Symbols: symbolC Details
Risk Codes: R34 Details
Safety Description: S26;S36/37/39;S45 Details
Transport Information: UN 3260

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