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Ethyl o-tolylacetate

Also known as: Ethyl 2-methylphenylacetate, Ethyl 2-(o-tolyl)acetate, o-Tolylacetic acid ethyl ester, 2-Methylphenylacetic acid ethyl ester, Ethyl o-methylphenylacetate, Benzeneacetic acid, 2-methyl-, ethyl ester, MFCD00009179, EINECS 254-871-9

Ethyl o-tolylacetate (CAS 40291-39-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H14O2 and a molecular weight of 178.228 g/mol. Key properties include a boiling point of 224.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 106.7±0.0 °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.
40291-39-2
Jingsj CID
J-5288-0
Molecular Formula
C11H14O2
Molecular Weight
178.228 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point224.5±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point106.7±0.0 °C
Exact Mass178.099380
PSA26.30000
LogP2.96
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.502

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyl o-tolylacetate?

The CAS number of Ethyl o-tolylacetate is 40291-39-2.

What are the molecular formula and molecular weight of Ethyl o-tolylacetate?

Ethyl o-tolylacetate has molecular formula C11H14O2 and molecular weight 178.228 g/mol.

Is Ethyl o-tolylacetate hazardous?

Ethyl o-tolylacetate 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 Ethyl o-tolylacetate?

For Ethyl o-tolylacetate, Upstream Products: 2-Methylbenzeneboronic acid, Ethyl bromoacetate, Ethanol; Downstream Products: o-Tolylacetic acid, 2-Methylphenethyl alcohol, 1-(2-Bromoethyl)-2-methylbenzene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl o-tolylacetate (CAS 40291-39-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5288-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.