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Substance Name: Tetrasodium etidronate
RN: 3794-83-0
UNII: CZZ9T1T1X4
InChIKey: KWXLCDNSEHTOCB-UHFFFAOYSA-J

Note

  • A diphosphonate which affects calcium metabolism. It inhibits ectopic calcification and slows down bone resorption and bone turnover.

Molecular Formula

  • C2-H8-O7-P2.4Na

Molecular Weight

  • 293.9546
 
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Names and Synonyms

Results Name

  • Tetrasodium etidronate

Name of Substance

  • (1-Hydroxyethylidene)bisphosphonic acid, tetrasodium salt
  • Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
  • Tetrasodium 1-hydroxyethane-1, 1-diphosphonate
  • Tetrasodium etidronate

Synonyms

  • (1-Hydroxyethylidene)diphosphonic acid, tetrasodium salt
  • 1-Hydroxyethylidene-1,1-diphosphonic acid, tetrasodium salt
  • Defloc EN 43
  • Dequest 2016
  • EC 223-267-7
  • EINECS 223-267-7
  • Ethane-1-hydroxy-1,1-diphosphonic acid, tetrasodium salt
  • Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
  • Sequion 10Na4
  • Tarpinel 4NL
  • Tetrasodium 1-hydroxyethylidene-1,1-diphosphonate
  • Tetrasodium etidronate
  • Turpinal 4NL
  • UNII-CZZ9T1T1X4

Systematic Names

  • Diphosphonic acid, (1-hydroxyethylidene)-, tetrasodium salt
  • Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
  • Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4)
  • Tetrasodium (1-hydroxyethylidene)bisphosphonate

Registry Numbers

CAS Registry Number

  • 3794-83-0

FDA UNII

  • CZZ9T1T1X4

Other Registry Numbers

  • 104365-97-1
  • 146437-16-3
  • 863638-08-8

System Generated Number

  • 0003794830

Molecular Formulas

Molecular Formula

  • C2-H8-O7-P2.4Na

Molecular Formula Fragments

  • C2-H8-O7-P2
  • COMPONENT
  • Na

Structure Descriptors

InChI

InChI=1S/C2H8O7P2.4Na/c1-2(3,10(4,5)6)11(7,8)9;;;;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);;;;/q;4*+1/p-4

InChIKey

KWXLCDNSEHTOCB-UHFFFAOYSA-J

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 990mg/kg (990mg/kg) KIDNEY, URETER, AND BLADDER: CHANGES IN BOTH TUBULES AND GLOMERULI Toxicology and Applied Pharmacology. Vol. 22, Pg. 661, 1972.