Skip to Content
Merck
CN
All Photos(1)

Documents

D2565

Sigma-Aldrich

Diethylenetriaminepentamethylenephosphonic acid heptasodium salt

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

Sign Into View Organizational & Contract Pricing
All Photos(1)
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

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

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.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service