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Diphosphoric Acid

Diphosphoric Acid / CAS : 2466-09-3

Appearance Colorless acicular crystal or yellow viscous liquid UN 3260
HS 28092019 DG Class 8
Synonyms Diphosphorsaeure; Pyrophosphoric Acid; Phosphono Dihydrogen Phosphate; Ppv; Pyrophosphorsaeure; Acide Diphosphorique; Unii-4E862E7Grq; Einecs 219-574-0; Eizh; Diphosphoric(V) Acid
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Properties

Summary

Formula
H4O7P2
Molecular Mass
177.97500
Exact Mass
177.94300
PSA
143.91000
Logp
-0.81160
IUPAC
phosphono dihydrogen phosphate
SMILES
OP(=O)(O)OP(=O)(O)O

Attribute classification

Matter Classification
organic
Category
Inorganic Chemicals > Inorganic Acid

Chemical and Physical Properties

Melting Point
61 °C
Density
2.43 g/cm3
Appearance
Colorless acicular crystal or yellow viscous liquid
Acidity and Basicity
acidness

Export information

HS Code
28092019
Export Rebate
0%
UN No.
3260
DG-Class
8
Risk Code
R22-34
Safety Label
C

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