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Substance Name: Diphosphoric acid, tetrapotassium salt
RN: 7320-34-5
UNII: B9W4019H5G
InChIKey: RYCLIXPGLDDLTM-UHFFFAOYSA-J

Molecular Formulas

  • H4-O7-P2.4K
  • O7-P2.4K

Molecular Weight

  • 330.333
 
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Names and Synonyms

Name of Substance

  • Diphosphoric acid, tetrapotassium salt
  • Potassium pyrophosphate
  • Tetrapotassium pyrophosphate
  • TKPP

Synonyms

  • Diphosphoric acid, tetrapotassium salt
  • EC 230-785-7
  • EINECS 230-785-7
  • Potassium diphosphate
  • Potassium pyrophosphate
  • Pyrophosphoric acid, tetrapotassium salt
  • Tetrapotassium diphosphate
  • Tetrapotassium diphosphorate
  • Tetrapotassium pyrophosphate
  • TKPP
  • UNII-B9W4019H5G

Systematic Names

  • Diphosphoric acid, potassium salt (1:4)
  • Diphosphoric acid, tetrapotassium salt
  • Tetrapotassium pyrophosphate

Superlist Name

  • Tetrapotassium pyrophosphate

Registry Numbers

CAS Registry Number

  • 7320-34-5

FDA UNII

  • B9W4019H5G

Other Registry Numbers

  • 1174512-44-7
  • 1269628-81-0

System Generated Number

  • 0007320345

Molecular Formulas

Molecular Formulas

  • H4-O7-P2.4K
  • O7-P2.4K

Molecular Formula Fragments

  • COMPONENT
  • H4-O7-P2
  • K
  • O7-P2

Structure Descriptors

InChI

1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

InChIKey

RYCLIXPGLDDLTM-UHFFFAOYSA-J

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 4640mg/kg (4640mg/kg) SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" National Technical Information Service. Vol. OTS0571153,
rat LDLo oral 4640mg/kg (4640mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: OTHER CHANGES
National Technical Information Service. Vol. OTS0571153,