Methylenediphosphonic acid, 98+%

Description

Methylenediphosphonic acid, >-99%, CH6O6P2, CAS Number-1984-15-2, acido medronico, methylenediphosphonic acid, acide medronique, acidum medronicum, phosphonic acid, methylenebis, methylenebis phosphonic acid, methylene diphosphonate, mdp-bracco, methanediphosphonic acid, medronic acid, 25g, 1708494 | CAS: 1984-15-2 | CH4Na2O6P2 | 219.96 g/mol

Methylenediphosphonic acid is used as a radioactive imaging agent, which is primarily used in skeletal scintigraphy. Due to its absorption by a variety of tumors, it is useful for the detection of neoplasms.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Methylenediphosphonic acid is used as a radioactive imaging agent, which is primarily used in skeletal scintigraphy. Due to its absorption by a variety of tumors, it is useful for the detection of neoplasms.

Solubility
Soluble in water, dimethylsulfoxide and methanol. Slightly soluble in anhydrous ethanol. Insoluble in methylene chloride.

Notes
Store in a cool place. Incompatible with strong bases.

Specifications

Chemical Identifiers

• CAS: 1984-15-2
• Molecular Formula: CH4Na2O6P2
• Molecular Weight (g/mol): 219.96
• MDL Number: MFCD00002139
• InChI Key: RXSYPQBNTPQOTQ-UHFFFAOYSA-L
• Synonym: methylenediphosphonic acid, medronic acid, acido medronico, methylene diphosphonate, acide medronique, acidum medronicum, phosphonic acid, methylenebis, methylenebis phosphonic acid, mdp-bracco, methanediphosphonic acid
• PubChem CID: 16124
• ChEBI: CHEBI:43945
• IUPAC Name: phosphonomethylphosphonic acid
• SMILES: [Na+].[Na+].OP([O-])(=O)CP(O)([O-])=O

• Melting Point: 202°C to 204°C
• Odor: Odorless
• Quantity: 25 g
• UN Number: UN3261
• Beilstein: 1708494
• Sensitivity: Hygroscopic
• Merck Index: 14,5792
• Solubility Information: Soluble in water,dimethylsulfoxide and methanol. Slightly soluble in anhydrous ethanol. Insoluble in methylene chloride.
• Formula Weight: 176
• Percent Purity: ≥99%
• Chemical Name or Material: Methylenediphosphonic acid

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Hazard Class: 8; Packaging Group: II
EINECSNumber	217-851-0
RTECSNumber	SZ9138000
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only