Pyrophosphoric acid

H₄O₇P₂CAS 2466-09-3177.97 g/mol

Open in Covalent MOL file

Properties

Molecular formula: H₄O₇P₂
Molar mass: 177.97 g/mol
Exact mass: 177.9432 Da
Melting point: 61 °C
logP: -0.81Crippen estimate
Polar surface area: 124.3 Å²
H-bond donors / acceptors: 4 / 3
Rotatable bonds: 2

Hazards

Danger

H302 Harmful if swallowed63.9% of notifiers
H314 Causes severe skin burns and eye damage100% of notifiers
H318 Causes serious eye damage31.1% of notifiers

Aggregated from 119 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P363, P405, P501

Identifiers

CAS number

2466-09-3

SMILES

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

InChIKey

XPPKVPWEQAFLFU-UHFFFAOYSA-N

InChI

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

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

2 names

Diphosphoric acid
Diphosphoric acid (H4P2O7)

Work with Pyrophosphoric acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Copper pyrophosphate10102-90-650 % similar Disodium pyrophosphate7758-16-950 % similar Phytic acid83-86-350 % similar Bis(tributylammonium) pyrophosphate5975-18-848 % similar Manganese violet10101-66-344 % similar Aluminum dihydrogen tripolyphosphate13939-25-841 % similar Sodium triphosphate13573-18-739 % similar Phosphorylethanolamine1071-23-439 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia