Pentasodium DTPA CAS#140-01-2
Versatile Physical Forms – Available as white crystals, powder, or pale-yellow transparent liquid to suit different application needs.
Excellent Solubility – Easily soluble in water and alcohol, enabling convenient formulation and use.
High Chemical Stability – Features stable density and well-defined melting and boiling points for reliable performance.
Strong Alkalinity in Solution – Forms a strongly alkaline aqueous solution, making it effective in applications requiring high alkalinity.
Pentasodium DTPA CAS#140-01-2
Pentasodium diethylenetriaminopentaacetate, also referred to as pentasodium pentoxide or pentasodium diethylenetriaminopentaacetate salt, typically appears as white crystals or powder, but may also occur as a pale yellow transparent liquid. It has a density of about 1.29, a melting point of −40 °C, and a boiling point of 106 °C. The substance is soluble in water and alcohol, insoluble in ether, and its aqueous solution exhibits strong alkalinity
Pentasodium DTPA Chemical Properties
| Melting point | -40 °C |
| Boiling point | 106 °C |
| Density | 1.29 |
| Refractive index | 1.4185-1.4205 |
| Form | Solution |
| Color | Clear |
| Water Solubility | SOLUBLE |
| InChI | InChI=1S/C14H23N3O10.Na.H/c18-10(19)5-15(1-3-16(6-11(20)21)7-12(22)23)2-4-17(8-13(24)25)9-14(26)27;;/h1-9H2,(H,18,19)(H,20,21)(H,22,23)(H,24,25)(H,26,27);; |
| InChIKey | JDNBXCRAWIIWJD-UHFFFAOYSA-N |
| SMILES | N(CC(=O)O)(CCN(CC(=O)O)CC(=O)O)CCN(CC(=O)O)CC(=O)O.[NaH] |
| LogP | -2 at 25℃ |
| EPA Substance Registry System | Pentasodium diethylenetriaminepentaacetate (140-01-2) |
Safety Information
Hazard Codes | Xi,Xn |
Risk Statements | 36-20-63 |
Safety Statements | 39-26-36/37 |
WGK Germany | 3 |
RTECS | MB8205000 |
F | 3 |
HS Code | 29420000 |
Hazardous Substances Data | 140-01-2(Hazardous Substances Data) |
Product Usage
The pentasodium salt solution of diethylenetriamine-pentaacetic acid can be applied in competitive indirect enzyme-linked immunoassays for the quantitative determination of lead ions. It can also be utilized in one-step immunochromatographic assays (ICA) for the rapid detection of lead ions in water samples.




