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Substance Name: Trisodium diphosphate
RN: 14691-80-6
UNII: AR7OGW33N1
InChIKey: MLIKYFGFHUYZAL-UHFFFAOYSA-K

Molecular Formula

  • H4-O7-P2.3Na

Molecular Weight

  • 243.919
 
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Names and Synonyms

Name of Substance

  • Trisodium diphosphate

Synonyms

  • EC 238-735-6
  • EINECS 238-735-6
  • UNII-AR7OGW33N1

Systematic Names

  • Diphosphoric acid, sodium salt (1:3)
  • Diphosphoric acid, trisodium salt
  • Trisodium hydrogen diphosphate

Registry Numbers

CAS Registry Number

  • 14691-80-6

FDA UNII

  • AR7OGW33N1

Related Registry Number

  • 7722-88-5 (Parent)

System Generated Number

  • 0014691806

Molecular Formulas

Molecular Formula

  • H4-O7-P2.3Na

Molecular Formula Fragments

  • COMPONENT
  • H4-O7-P2
  • Na

Structure Descriptors

InChI

1S/3Na.H4O7P2/c;;;1-8(2,3)7-9(4,5)6/h;;;(H2,1,2,3)(H2,4,5,6)/q3*+1;/p-3

InChIKey

MLIKYFGFHUYZAL-UHFFFAOYSA-K

Smiles

[Na+].[Na+].[Na+].P(=O)([O-])([O-])OP(=O)([O-])O