2-Ethylbenzoic acid
Also known as: o-Ethylbenzoic acid, Benzoic acid, 2-ethyl-, Benzoic acid, 2-ethyl- (9CI), MFCD00045838, RARECHEM AL BO 0469
2-Ethylbenzoic acid (CAS 612-19-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.174 g/mol. Key properties include a melting point of 62-66 °C(lit.), a boiling point of 259.7±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 120.8±13.4 °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.
- 612-19-1
- Jingsj CID
- J-7340-5
- Molecular Formula
- C9H10O2
- Molecular Weight
- 150.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 62-66 °C(lit.) |
|---|---|
| Boiling Point | 259.7±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 120.8±13.4 °C |
| Exact Mass | 150.068085 |
| PSA | 37.30000 |
| LogP | 2.89 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.547 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of 2-Ethylbenzoic acid?
The CAS number of 2-Ethylbenzoic acid is 612-19-1.
What are the molecular formula and molecular weight of 2-Ethylbenzoic acid?
2-Ethylbenzoic acid has molecular formula C9H10O2 and molecular weight 150.174 g/mol.
Is 2-Ethylbenzoic acid hazardous?
2-Ethylbenzoic 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 2-Ethylbenzoic acid?
For 2-Ethylbenzoic acid, Upstream Products: 2-Ethylbenzonitrile, o-Toluic acid, iodomethane; Downstream Products: 2-Ethylbenzonitrile, 5-Bromo-2-ethylbenzoic acid, Isochroman-1-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-Ethylbenzoic acid (CAS 612-19-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7340-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.