Medronic acid

Medronic acid
Names
Preferred IUPAC name
Methylenebis(phosphonic acid)
Other names
methanediphosphonic acid; methylene diphosphonate; medronate; phosphonomethylphosphonic acid; MDP
Identifiers
CAS Number
  • 1984-15-2 ☒N
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:43945 ☒N
ChEMBL
  • ChEMBL180570 checkY
ChemSpider
  • 15308 checkY
ECHA InfoCard 100.016.229 Edit this at Wikidata
KEGG
  • D04887 checkY
PubChem CID
  • 16124
UNII
  • 73OS0QIN3O ☒N
CompTox Dashboard (EPA)
  • DTXSID8045696 Edit this at Wikidata
InChI
  • InChI=1S/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7) checkY
    Key: MBKDYNNUVRNNRF-UHFFFAOYSA-N checkY
  • O=P(O)(O)CP(=O)(O)O
Properties
Chemical formula
 CH6O6P2
Molar mass 176.001 g·mol−1
Melting point 199 to 200 °C (390 to 392 °F; 472 to 473 K)[1]
Hazards
Lethal dose or concentration (LD, LC):
LD50 (median dose)
 45-50 mg/kg (i.v., mice, rabbits)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound

Medronic acid (conjugate base, medronate), also known as methylene diphosphonate, is the smallest bisphosphonate. Its complex with radioactive technetium, 99mTc medronic acid, is used in nuclear medicine to detect bone abnormalities, including metastases.

References

  1. ^ a b Budavari, Susan, ed. (1996), The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (12th ed.), Merck, ISBN 0911910123

External links

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