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60352

Pyrophosphoric acid

≥95% H4P2O7 basis

Synonym(s):

Diphosphoric acid

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About This Item

Linear Formula:
(HO)2P(O)OP(O)(OH)2
CAS Number:
2466-09-3
Molecular Weight:
177.98
UNSPSC Code:
12352106
PubChem Substance ID:
24881848
EC Number:
219-574-0
MDL number:
MFCD00011343
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assay

≥95% H4P2O7 basis

impurities

≤0.001% heavy metals (as Pb)

cation traces

Fe: ≤20 mg/kg, Na: ≤20 mg/kg

SMILES string

OP(O)(=O)OP(O)(O)=O

InChI

1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)

InChI key

XPPKVPWEQAFLFU-UHFFFAOYSA-N

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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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