Molekula
Diethylenetriamine pentaacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Diethylenetriamine pentaacetic acid (DTPA) is a chelating agent used to bind metal ions in industrial, pharmaceutical, and laboratory applications. Documented applications include industrial metal extraction and refining, ion exchange processes, and use as a chelating ingredient in cosmetic formulations. It is available in powder form with a molecular weight of 393.35 g/mol, a CAS number of 67-43-6, and a molecular formula of [(HOOCCH2)2NCH2CH2]2NCH2COOH. Store at ambient temperatures. Hazard classification includes the signal word Danger. Molekula supplies Diethylenetriamine pentaacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — $181.20 per pack
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| pH | 2.0 - 3.0 |
| Chloride (Cl-) | ≤0.1% |
| Solubility | Sparingly soluble in water, 15% solution is soluble in hot water. Soluble in all Alkali |
| Assay | ≥99.0% |
| Sulphated Ash | ≤0.1% |
| Iron (Fe) | ≤0.001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 200 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 219 °C |
Source: PubChem CID 3053 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 69522692 |
| CAS Number | 67-43-6 |
| IUPAC Name | 2-[bis[2-[bis(carboxymethyl)amino]ethyl]amino]acetic acid |
| EC Number | 200-652-8 |
| Molecular Formula | [(HOOCCH2)2NCH2CH2]2NCH2COOH |
| Molecular Weight | 393.35 |
| Exact Mass | 393.1383 |
| SMILES | C(CN(CC(=O)O)CC(=O)O)N(CCN(CC(=O)O)CC(=O)O)CC(=O)O |
| InChIKey | QPCDCPDFJACHGM-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H23N3O10/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) |
| PubChem CID | 3053 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29224980 |
| Tariff Code | 2922498590 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- H360 May damage fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- CHEL 330 acid
- Dabeersen 503
- Detapac
- Detarex
- DTPA
- Monaquest CAI
- Pentetic acid
- Penthanil
- Perma kleer
- Titriplex V
Frequently asked questions
What is Diethylenetriamine pentaacetic acid used for?
It is primarily used as a chelating agent in industrial and laboratory applications, such as metal ion sequestration in detergents, water treatment, and analytical chemistry.
What is the chemical formula and molecular weight of Diethylenetriamine pentaacetic acid?
The formula is [(HOOCCH2)2NCH2CH2]2NCH2COOH with a molecular weight of 393.35 g/mol.
How should Diethylenetriamine pentaacetic acid be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade is available for this product?
Molekula supplies Diethylenetriamine pentaacetic acid in high-purity laboratory grade.
Can Molekula supply this product in bulk?
Yes, Molekula can supply Diethylenetriamine pentaacetic acid in bulk quantities—please contact sales for details.
What documentation comes with an order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.