2-Aminophenylacetic acid
Also known as: (2-Aminophenyl)acetic acid, 2-(2-aminophenyl)acetic acid, Benzeneacetic acid, 2-amino-, o-Aminophenylacetic acid, Acetic acid, (o-aminophenyl)-
2-Aminophenylacetic acid (CAS 3342-78-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2 and a molecular weight of 151.163 g/mol. Key properties include a melting point of 123-127 °C(lit.), a boiling point of 344.4±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 162.1±20.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3342-78-7
- Jingsj CID
- J-1318793-4
- Molecular Formula
- C8H9NO2
- Molecular Weight
- 151.163 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 123-127 °C(lit.) |
|---|---|
| Boiling Point | 344.4±17.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 162.1±20.9 °C |
| Exact Mass | 151.063324 |
| PSA | 63.32000 |
| LogP | 0.22 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.615 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
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 2-Aminophenylacetic acid?
The CAS number of 2-Aminophenylacetic acid is 3342-78-7.
What are the molecular formula and molecular weight of 2-Aminophenylacetic acid?
2-Aminophenylacetic acid has molecular formula C8H9NO2 and molecular weight 151.163 g/mol.
Is 2-Aminophenylacetic acid hazardous?
2-Aminophenylacetic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Aminophenylacetic acid?
For 2-Aminophenylacetic acid, Upstream Products: (2-Nitrophenyl)acetic acid, Oxindole, 2'-Aminoacetophenone; Downstream Products: Methyl 2-(2-aminophenyl)acetate, Oxindole, 1-Acetylindolin-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Aminophenylacetic acid (CAS 3342-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318793-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.