Iminodiacetic acid
Also known as: N-(carboxymethyl)glycine, Aminodiacetic acid, IDA, Diglycine, 2,2'-Iminodiacetic acid, 2,2'-Azanediyldiacetic acid, Glycine, N-(carboxymethyl)-, Acetic acid, 2,2'-iminobis-
Iminodiacetic acid (CAS 142-73-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NO4 and a molecular weight of 133.10 g/mol. Key properties include a melting point of 243 °C (dec.)(lit.), a boiling point of 370.6±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 177.9±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 142-73-4
- Jingsj CID
- J-27639-1
- Molecular Formula
- C4H7NO4
- Molecular Weight
- 133.10 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 243 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 370.6±27.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 177.9±23.7 °C |
| Exact Mass | 133.037506 |
| PSA | 86.63000 |
| LogP | -1.40 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.501 |
| Additional Property | 2.43 g/100 mL (5 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. M D Loberg, et al. Development of new radiopharmaceuticals based on N-substitution of iminodiacetic acid. J Nucl Med. 1976 Jul;17(7):633-8. [2]. Misra RK, et al. Iminodiacetic acid functionalized cation exchange resin for adsorptive removal of Cr(VI), Cd(II), Ni(II) and Pb(II) from their aqueous solutions. J Hazard Mater. 2011 Jan 30;185(2-3):1508-12. [3]. Shihui Lin, et al. Explore potential plasma biomarkers of acute respiratory distress syndrome (ARDS) using GC-MS metabolomics analysis. Clin Biochem. 2019 Apr;66:49-56. |
|---|
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Iminodiacetic acid?
The CAS number of Iminodiacetic acid is 142-73-4.
What are the molecular formula and molecular weight of Iminodiacetic acid?
Iminodiacetic acid has molecular formula C4H7NO4 and molecular weight 133.10 g/mol.
Is Iminodiacetic acid hazardous?
Iminodiacetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Iminodiacetic acid?
For Iminodiacetic acid, Upstream Products: Diethanolamine, N-(2-Hydroxyethyl)iminodiacetic acid, Acetic acid, 2,2-hydrazonobis-; Downstream Products: N-Boc-iminodiacetic acid, Alizarin Complexone, N-Carboxymethyl-N-(1-oxododecyl)glycine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Iminodiacetic acid (CAS 142-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27639-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.