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Ethyl 3-pyridylacetate

Also known as: Ethyl 2-(pyridin-3-yl)acetate, Ethyl 3-pyridineacetate, Ethyl 3-pyridinylacetate, Ethyl pyridin-3-ylacetate, 3-Pyridineacetic Acid Ethyl Ester, 3-Pyridylacetic Acid Ethyl Ester, Pyridin-3-ylacetic acid ethyl ester, Pyridine-3-acetic acid ethyl, ethyl 2-pyridin-3-ylacetate, 3-(2-Ethoxy-2-oxoethyl)pyridine, MFCD00006411, EINECS 254-707-6

Ethyl 3-pyridylacetate (CAS 39931-77-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.19 g/mol. Key properties include a boiling point of 274.4±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 105.6±20.4 °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.
39931-77-6
Jingsj CID
J-1109267-4
Molecular Formula
C9H11NO2
Molecular Weight
165.19 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point274.4±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point105.6±20.4 °C
Exact Mass165.078979
PSA39.19000
LogP1.00
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.503

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Ethyl 3-pyridylacetate?

The CAS number of Ethyl 3-pyridylacetate is 39931-77-6.

What are the molecular formula and molecular weight of Ethyl 3-pyridylacetate?

Ethyl 3-pyridylacetate has molecular formula C9H11NO2 and molecular weight 165.19 g/mol.

Is Ethyl 3-pyridylacetate hazardous?

Ethyl 3-pyridylacetate 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 3-pyridylacetate?

For Ethyl 3-pyridylacetate, Upstream Products: 3-Bromopyridine, Ethyl potassium malonate, Diethyl malonate; Downstream Products: 2-(Pyridin-3-yl)acetamide, 3-[2-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]ethyl]piperidine, 3-(2-Chloroethyl)pyridine.

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 3-pyridylacetate (CAS 39931-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1109267-4 (accessed 2026-11-09).

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