Nitrilotriacetic acid
氨三乙酸
Also known as: NTA, Tris(carboxymethyl)amine, N,N-Bis(carboxymethyl)glycine, Triglycollamic acid, Complexon I, aminotriacetic acid, α,α',α''-Trimethylaminetricarboxylic acid, Nitrilotriessigsaeure, 2,2',2''-Nitrilotriacetic acid, Glycine, N,N-bis(carboxymethyl)-, tri(carboxymethyl)amine, nitrilotris(methylenecarboxylicacid)
- CAS No.
- 139-13-9
- Jingsj CID
- J-25018-6
- Molecular Formula
- C6H9NO6
- Chinese Name
- 氨三乙酸
- Molecular Weight
- 191.139 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 245 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 498.2±40.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 255.1±27.3 °C |
GHS Safety & Compliance
Irritant / Health HazardSignal word: Warning
Frequently Asked Questions
What is the CAS number of Nitrilotriacetic acid?
139-13-9
What are the molecular formula and molecular weight of Nitrilotriacetic acid?
C6H9NO6, molecular weight 191.139 g/mol
Is Nitrilotriacetic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026