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Ethyl 2-oxopyrrolidine-3-carboxylate

Also known as: 2-OXO-PYRROLIDINE-3-CARBOXYLIC ACID ETHYL ESTER, 2-Oxo-pyrrolidine-3-carboxylic acid ethyl ester, 2-oxopyrrolidine-3-carboxylic acid ethyl ester, ethyl 2-oxo-3-pyrrolidinecarboxylate, ethyl 2-oxopyrrolidine-3-carboxylate, ethyl 2-oxo-pyrrolidine-3-carboxylate, 2-carboethoxy-2-pyrrolidone, 3-Pyrrolidinecarboxylic acid, 2-oxo-, ethyl ester, Ethyl2-oxopyrrolidine-3-carboxylate, Ethyl2-oxopyrrolidine-3-carboxylate,95%

Ethyl 2-oxopyrrolidine-3-carboxylate (CAS 36821-26-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11NO3 and a molecular weight of 157.167 g/mol. Key properties include a melting point of 71-75 °C, a boiling point of 312.7±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 142.9±25.9 °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.
36821-26-8
Jingsj CID
J-1510909-8
Molecular Formula
C7H11NO3
Molecular Weight
157.167 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point71-75 °C
Boiling Point312.7±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point142.9±25.9 °C
Exact Mass157.073898
PSA55.40000
LogP-1.10
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.466
Storage Conditions2-8°C

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Ethyl 2-oxopyrrolidine-3-carboxylate?

The CAS number of Ethyl 2-oxopyrrolidine-3-carboxylate is 36821-26-8.

What are the molecular formula and molecular weight of Ethyl 2-oxopyrrolidine-3-carboxylate?

Ethyl 2-oxopyrrolidine-3-carboxylate has molecular formula C7H11NO3 and molecular weight 157.167 g/mol.

Is Ethyl 2-oxopyrrolidine-3-carboxylate hazardous?

Ethyl 2-oxopyrrolidine-3-carboxylate 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 2-oxopyrrolidine-3-carboxylate?

For Ethyl 2-oxopyrrolidine-3-carboxylate, Upstream Products: Diethyl 1,1-cyclopropanedicarboxylate, Diethyl malonate; Downstream Products: gamma-Aminobutyric acid, 2-oxopyrrolidine-3-carboxylic acid.

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 2-oxopyrrolidine-3-carboxylate (CAS 36821-26-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510909-8 (accessed 2026-11-09).

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