Tetrasodium pyrophosphate
CAS Registry Number®
7722-88-5
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CAS Name
Tetrasodium pyrophosphateMolecular Formula
H4O7P2.4NaCite this Page
Tetrasodium pyrophosphate. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7722-88-5 (retrieved ) (CAS RN: 7722-88-5). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
988 °CDensity (1)
2.534 g/cm³
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)
InChIKey
InChIKey=WTXQIGCNRZDSJU-UHFFFAOYSA-N
SMILES
O(P(=O)(O)O)P(=O)(O)O.[Na]
Canonical SMILES
[Na].O=P(O)(O)OP(=O)(O)O
Other Names for this Substance
- Diphosphoric acid, sodium salt (1:4)
- Pyrophosphoric acid, tetrasodium salt
- Diphosphoric acid, tetrasodium salt
- Anhydrous tetrasodium pyrophosphate
- Phosphotex
Deleted or Replaced CAS Registry Numbers
93269-17-1, 156460-73-0, 192507-07-6, 1269628-79-6
