Dichloromethylenediphosphonic acid disodium salt
SIGMA/D4434
Synonym: Cl2MDP; Clodronate disodium; Clodronic acid disodium salt; DMDP
CAS Number: 22560-50-5
Empirical Formula (Hill Notation): CH2Cl2Na2O6P2
Molecular Weight: 288.86
EC Number: 245-078-9
MDL Number: MFCD01632786
Linear Formula: CH2O6Cl2Na2P2
Product Type: Chemical
| form | powder |
| InChI | 1S/CH4Cl2O6P2.2Na/c2-1(3, |
| InChI key | HJKBJIYDJLVSAO-UHFFFAOYSA |
| Quality Level | 300 ![]() |
| SMILES string | [Na+].[Na+].OP([O-])(=O)C |
| solubility | water: 49.00-51.00 mg/mL, clear, colorless |
| storage temp. | room temp |
| Biochem/physiol Actions: | Analog of pyrophosphate ion that inhibits the osteoclastic activity leading to bone resorption and osteoporosis. The compound is used in cancer research, especially in skeletal metastases and breast carcinoma. When entrapped in liposomes, it is used for macrophage-selective depletion (macrophage "suicide" technique), especially in spleen and liver. Found also to inhibit collagenase and matrix metalloproteinase1. |
| Packaging: | 1 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | room temp |
| UNSPSC | 12352106 |

