M9508

Methylenediphosphonic acid

≥99%

• Synonym(s): MDP, Medronic acid
• Linear Formula: CH₂[P(O)(OH)₂]₂
• CAS Number: 1984-15-2
• Molecular Weight: 176.00
• Beilstein/REAXYS Number: 1708494
• MDL number: MFCD00002139
• UNSPSC Code: 12352100
• PubChem Substance ID: 57654426
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥99%
• form: crystals
• mp: 197-199 °C (lit.)
• storage temp.: −20°C
• SMILES string: OP(O)(=O)CP(O)(O)=O
• InChI: 1S/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7)
• InChI key: MBKDYNNUVRNNRF-UHFFFAOYSA-N

Description

Application

Methylenediphosphonic acid can be used as a precursor in the synthesis of:

• Mesoporous aluminum organophosphonate in the presence of alkyltrimethylammonium as a surfactant.
• Tetraester of methylenediphosphonic acids which are used as metal ion extractants for actinides in all oxidation states.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges