| CAS No.: | 67-43-6 |
|---|---|
| Formula: | C14h23o10n3 |
| EINECS: | 205-488-0 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Refined |
| Customization: |
|---|
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Audited Supplier DTPA Diethylenetriaminepentaacetic Acid
Product introduction
Product name: DTPA
Classification: Diethylenetriaminepentaacetic acid
CAS No.: 67-43-6
Other Names: Pentetic acid
MF: C14H23O10N3
Purity: ≥99.0%
Certificate of Analysis
| Items | Specification | Results |
| Physical Appearance | White crystal powder | PASS |
| Purity | ≥ 99% | 99.2% |
| Cl | ≤ 0.01 % | < 0.001% |
| SO42- | ≤ 0.05 | < 0.005% |
| Pb | ≤ 0.001% | Not detective |
| Fe | ≤ 0.001% | Not detective |
| Loss on drying | ≤ 0.2% | < 0.16% |
| Chelating value(mgCaCO3/g PH=11) | ≥ 252 | 267 |
| PH | 2.1-2.5 | 2.3 |
Product description
DTPA is a white crystal powder. The conjugate base of DTPA has a high affinity for metal cations. Thus, the penta-anion DTPA5− is potentially an octadentate ligand assuming that each nitrogen centre and each COO−-group counts as a centre for coordination. The formation constants for its complexes are about 100 greater than those for EDTA.
As a chelating agent, DTPA wraps around a metal ion by forming up to eight bonds. Transition metals, however, usually form less than eight coordination bonds. So, after forming a complex with a metal, DTPA still has the ability to bind to other reagents, as is shown by its derivative pendetide. For example, in its complex with copper(II), DTPA binds in a hexadentate manner utilizing the three amine centres and three of the five carboxylates.
Our Service and Advantage:
1. High Quality: advanced equipments,strict control the quality,Complies with National Standard;
2. Competitive Price: factory direct sale, make the prices competitive;Cooperate with many big ship companies can get us competitive sea freight.
3. Rich Experience:Export to many countries,such as USA,Canada,Australia,Japan,Malaysia,Guinea,Tanzania,South Africa,Saudi Araiba,Jordan,Jamaica,Mexico etc.
4. Packing design:The packing bags is the normal bags,customized designs are also welcome.
Storage
Be stored on shelves in dry and ventilated storehouse. Avoid direct sunshine, humidity, breakage of the bags and contamination.
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