Methylenediphosphonic acid
ALDRICH/M9508 - ≥99%
Synonym: MDP; Medronic acid
CAS Number: 1984-15-2
Empirical Formula (Hill Notation): CH6O6P2
Molecular Weight: 176.00
MDL Number: MFCD00002139
Linear Formula: CH2[P(O)(OH)2]2
Product Type: Chemical
| assay | ≥99% |
| form | crystals |
| InChI | 1S/CH6O6P2/c2-8(3,4)1-9(5 |
| InChI key | MBKDYNNUVRNNRF-UHFFFAOYSA |
| mp | 197-199 °C (lit.) |
| SMILES string | OP(O)(=O)CP(O)(O)=O |
| storage temp. | −20°C |
| 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. |
| Packaging: | 1, 5, 10 g in glass bottle |
| Packaging: | 250 mg in glass bottle |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3261 8 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| mp | 197-199 °C (lit.) |
| Storage Temp. | −20°C |
| UNSPSC | 12352100 |