Functional Roles
Industries Served
Physical Properties
physical_description
White to off-white solid; [Acros Organics MSDS]
boiling_point
Decomposes
melting_point
219-220 u00c2u00baC
solubility
Highly soluble
logp
-4.9
dissociation_constants
pentabasic (1.5-10.6)
collision_cross_section
180.2 u00e2u201eu00abu00c2u00b2 [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
GHS / SDS Safety
Warning
Environmental Hazard
Irritant
Health Hazard
- H361 (34.3%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H373 (51.5%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H360D (46.2%): May damage the unborn child [Danger Reproductive toxicity]
- H319 (98.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H360D: May damage the unborn child [Danger Reproductive toxicity]
- H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H332 (71.7%): Harmful if inhaled [Warning Acute toxicity, inhalation]
Chemical Identity
| CAS Number | 67-43-6 |
| IUPAC Name | 2-[bis[2-[bis(carboxymethyl)amino]ethyl]amino]acetic acid |
| InChI Key | QPCDCPDFJACHGM-UHFFFAOYSA-N |
| PubChem CID | 3053 |
| INCI Name | PENTETIC ACID |
Synonyms & Trade Names
Full Description
DTPA (Diethylenetriaminepentaacetic acid) is an aminopolycarboxylic acid chelating agent that functions as a sequestrant for metal ions and serves as a crosslinking/curing agent in various industrial formulations. This compound is utilized across agriculture, coatings & construction, food & beverage, HI&I cleaning, mining, textiles, and water treatment industries for its superior metal chelation properties. DTPA exhibits high water solubility and a melting point of 219-220°C, making it suitable for aqueous applications requiring effective metal ion control.