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Disodium Pyrophosphate

CAS: 7758-16-9 | H4Na2O7P2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 7758-16-9
Molecular Formula: H4Na2O7P2
Molecular Mass: 223.95 g/mol

Names and Synonyms:

Disodium Pyrophosphate
Diphosphoric acid, sodium salt (1:2)
Pyrophosphoric acid, disodium salt
Diphosphoric acid, disodium salt
Sodium pyrophosphate (Na2H2P2O7)
Disodium dihydrogen pyrophosphate
Disodium pyrophosphate
Dihydrogen disodium pyrophosphate
Disodium acid pyrophosphate
Disodium dihydrogen diphosphate
Disodium diphosphate
Disodium pyrophosphate (Na2H2P2O7)
Sodium hydrogen phosphate (Na2H2P2O7)
Disodium dihydrogen diphosphate (Na2H2P2O7)
SAPP-RD 1
SAPP
SAPP 40
E 450i

Identifiers:

SMILES:

O=P(O)(O)OP(=O)(O)O.[Na].[Na]
InChI:
InChI=1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 223.95 g/mol CAS Common Chemistry
223.95300000000003 g/mol RDKit
223.922764288 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Disodium_pyrophosphate CAS Common Chemistry
Canonical SMILES [Na].O=P(O)(O)OP(=O)(O)O CAS Common Chemistry
InChI InChI=1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6) CAS Common Chemistry
InChI Key InChIKey=PPJGSBMKHZFHFF-UHFFFAOYSA-N CAS Common Chemistry
Name Disodium pyrophosphate CAS Common Chemistry
Heavy Atom Count 11 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 4 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 124.29000000000002 Ų RDKit
LogP -1.5732000000000004 RDKit
Molar Refractivity 36.681200000000004 RDKit

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