Diethylenetriaminepentaacetic acid
Diethylenetriaminepentaacetic acid (DTPA), CAS 67-43-6, has a molecular weight of 393.35. This chelating agent is known for its strong ability to bind metal ions. Its applications span various scientific fields, particularly in biochemistry and as a reagent in analytical chemistry. DTPA is frequently utilised in research settings for its effectiveness in complexing with a wide range of metal cations, making it an invaluable compound for specific laboratory procedures.
- IUPAC
- (Carboxymethylimino)bis(ethylenenitrilo)tetraacetic acid,N,N-Bis(2-[bis(carboxymethyl)amino]ethyl)glycine,DETAPAC,DTPA,Penta(carboxymethyl)diethylenetriamine,Pentetic acid
- Synonyms
- (Carboxymethylimino)bis(ethylenenitrilo)tetraacetic acidN,N-Bis(2-[bis(carboxymethyl)amino]ethyl)glycineDETAPACDTPAPenta(carboxymethyl)diethylenetriaminePentetic acid
![Diethylenetriaminepentaacetic acid ([(HOOCCH2)2NCH2CH2]2NCH2COOH) — chemical structure, CAS 67-43-6; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F67-43-6.png&w=3840&q=75)
Chelating Agent
DTPA is a powerful chelating agent used to sequester metal ions. This property is crucial in analytical chemistry and various biochemical assays where the presence of free metal ions can interfere with results.
Biochemical Research
In biochemical studies, DTPA is employed as a reagent to control the concentration of metal ions. It is particularly useful in enzyme assays and studies involving metalloproteins.
Analytical Reagent
As an analytical reagent, DTPA is used in titrations and other analytical methods requiring the complexation of specific metal ions. Its high affinity for many cations ensures effective binding.
| Molecular weight | 393.35 |
|---|---|
| Linear formula | [(HOOCCH2)2NCH2CH2]2NCH2COOH |
| Assay | ≥98% (titration) |
| Melting point | 219-220 °C(lit.) |
Hazard statements
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H361D
Precautionary statements
- P281Use personal protective equipment as required
- P305IF IN EYES
| Flash point | 200 °C / 392 °F |
|---|---|
| Transport (UN / ADR) | UN 3077 9/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-20-36 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Diethylenetriaminepentaacetic acid used for?
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Diethylenetriaminepentaacetic acid (DTPA) is primarily used as a chelating agent in biochemical research and analytical chemistry to bind and sequester metal ions.
What is the CAS number and formula for Diethylenetriaminepentaacetic acid?
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The CAS number for Diethylenetriaminepentaacetic acid is 67-43-6. The linear formula is [(HOOCCH 2)2NCH2CH2]2NCH2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethylenetriaminepentaacetic acid with a purity of ≥98% by titration. TSS does not represent this product as USP, BP, or EP grade.
How should Diethylenetriaminepentaacetic acid be handled safely?
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Diethylenetriaminepentaacetic acid is classified with a GHS07 and GHS08 symbol and a 'Warning' signal word. It may cause serious eye irritation (H319), be harmful if inhaled (H332), and is suspected of damaging fertility or the unborn child (H361d). Always refer to the Safety Data Sheet (SDS) for comprehensive handling information, including appropriate personal protective equipment (P281) and first-aid measures (P305 + P351 + P338).
How is this chemical shipped or exported?
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This chemical is classified for transport under UN 3077, Hazard Class 9, Packing Group III. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Diethylenetriaminepentaacetic acid?
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To request a sample or a quote for Diethylenetriaminepentaacetic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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