4-Amino-3-ethylbenzoic acid
Also known as: 3-ethyl-4-amino-benzoic acid, 4-Amino-3-ethyl-benzoic acid, Benzoic acid, 4-amino-3-ethyl-, 3-Aethyl-4-amino-benzoesaeure
4-Amino-3-ethylbenzoic acid (CAS 51688-75-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.189 g/mol. Key properties include a boiling point of 348.3±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 164.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51688-75-6
- Jingsj CID
- J-1419733-2
- Molecular Formula
- C9H11NO2
- Molecular Weight
- 165.189 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 348.3±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 164.5±25.9 °C |
| Exact Mass | 165.078979 |
| PSA | 63.32000 |
| LogP | 1.82 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.601 |
| Storage Conditions | 2-8°C |
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 4-Amino-3-ethylbenzoic acid?
The CAS number of 4-Amino-3-ethylbenzoic acid is 51688-75-6.
What are the molecular formula and molecular weight of 4-Amino-3-ethylbenzoic acid?
4-Amino-3-ethylbenzoic acid has molecular formula C9H11NO2 and molecular weight 165.189 g/mol.
What are the upstream and downstream products of 4-Amino-3-ethylbenzoic acid?
For 4-Amino-3-ethylbenzoic acid, Upstream Products: N-(4-cyano-2-ethylphenyl)acetamide, N-(2-ethylphenyl)acetamide, 4-bromo-2-ethylacetanilide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-3-ethylbenzoic acid (CAS 51688-75-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1419733-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.