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Substance Name: Disodium pyrophosphate
RN: 7758-16-9
UNII: H5WVD9LZUD
InChIKey: GYQBBRRVRKFJRG-UHFFFAOYSA-L

Molecular Formulas

  • H2-O7-P2.2Na
  • H4-O7-P2.2Na

Molecular Weight

  • 221.9368
 
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Names and Synonyms

Name of Substance

  • Diphosphoric acid, disodium salt
  • Disodium dihydrogen pyrophosphate
  • Disodium pyrophosphate
  • SAPP

Synonyms

  • Dinatriumpyrophosphat
  • Dinatriumpyrophosphat [German]
  • Diphosphoric acid, disodium salt
  • Disodium acid pyrophosphate
  • Disodium dihydrogen diphosphate
  • Disodium dihydrogen pyrophosphate
  • Disodium diphosphate
  • Disodium pyrophosphate
  • EC 231-835-0
  • EINECS 231-835-0
  • HSDB 377
  • Pyrophosphoric acid, disodium salt
  • Sodium pyrophosphate (Na2H2P2O7)
  • UNII-H5WVD9LZUD

Systematic Names

  • Diphosphoric acid, disodium salt
  • Diphosphoric acid, sodium salt (1:2)
  • Disodium dihydrogenpyrophosphate
  • Pyrophosphoric acid, disodium salt

Superlist Name

  • Sodium acid pyrophosphate

Registry Numbers

CAS Registry Number

  • 7758-16-9

FDA UNII

  • H5WVD9LZUD

Other Registry Number

  • 10101-84-5

Related Registry Number

  • 7722-88-5 (Parent)

System Generated Number

  • 0007758169

Molecular Formulas

Molecular Formulas

  • H2-O7-P2.2Na
  • H4-O7-P2.2Na

Molecular Formula Fragments

  • COMPONENT
  • H2-O7-P2
  • H4-O7-P2
  • Na

Structure Descriptors

InChI

1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2

InChIKey

GYQBBRRVRKFJRG-UHFFFAOYSA-L

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1gm/kg (1000mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 24, 1957.
mouse LD50 intravenous 59mg/kg (59mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957.
mouse LD50 oral 2650mg/kg (2650mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957.
mouse LD50 subcutaneous 480mg/kg (480mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957.
rabbit LD skin > 300mg/kg (300mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 47, 1990.