D2565

Diethylenetriaminepentamethylenephosphonic acid heptasodium salt

25 % (w/v) in H₂O, ~55% (based on active acid and salt), aqueous solution

• Synonym(s): DTPMPA, [(Phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]tetrakis(phosphonic acid) heptasodium salt
• Empirical Formula (Hill Notation): C₉H₂₁N₃O₁₅P₅Na₇
• CAS Number: 68155-78-2
• Molecular Weight: 727.07
• MDL number: MFCD03453638
• UNSPSC Code: 12352202
• NACRES: NA.77

Properties

• form: aqueous solution
• concentration: 25 % (w/v) in H₂O; ~55% (based on active acid and salt)
• color: amber
• pH: 6.0-8.0 (1% in H₂O)
• mp: -13 °C
• transition temp: freezing point −13 °C
• storage temp.: room temp
• InChI: 1S/C9H28N3O15P5.7Na/c13-28(14,15)5-10(1-3-11(6-29(16,17)18)7-30(19,20)21)2-4-12(8-31(22,23)24)9-32(25,26)27;;;;;;;/h1-9H2,(H2,13,14,15)(H2,16,17,18)(H2,19,20,21)(H2,22,23,24)(H2,25,26,27);;;;;;;/q;7*+1
• InChI key: OIPXXWBYRWQVLJ-UHFFFAOYSA-N

Description

Application

Used for the removal of metal ions, and may have potential biological properties as a chelator. Thorium complexes of DTPMPA are preferentially localized in bone rather than soft tissue, offering potential as targeted radiotherapeutic agents.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)