Pyrrolidine-2,4-dione

Also known as: 2,4-Pyrrolidinedione, 2,4-dioxopyrrolidine, 4-hydroxy-1,5-dihydro-pyrrol-2-one, 4-ketopyrrolidinone, pyrrolidin-2,4-dione, QC-8394, (3H,5H) pyrrolidinedione

Pyrrolidine-2,4-dione (CAS 37772-89-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5NO2 and a molecular weight of 99.088 g/mol. Key properties include a boiling point of 380.9±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.3±26.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37772-89-7
Jingsj CID: J-1125914-6
Molecular Formula: C₄H₅NO₂
Molecular Weight: 99.088 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	380.9±35.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	211.3±26.1 °C
Exact Mass	99.032028
PSA	49.66000
LogP	-2.72
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.479

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Pyrrolidine-2,4-dione?

The CAS number of Pyrrolidine-2,4-dione is 37772-89-7.

What are the molecular formula and molecular weight of Pyrrolidine-2,4-dione?

Pyrrolidine-2,4-dione has molecular formula C4H5NO2 and molecular weight 99.088 g/mol.

What are the upstream and downstream products of Pyrrolidine-2,4-dione?

For Pyrrolidine-2,4-dione, Upstream Products: 5-Methyl-2-thiophenecarboxaldehyde, 1,4-Dioxane; Downstream Products: 4-Methoxy-1,5-dihydro-2H-pyrrol-2-one.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pyrrolidine-2,4-dione (CAS 37772-89-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1125914-6 (accessed 2026-11-09).

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