1,4-Dimethyl-2-pyrrolidone

Also known as: 1,4-Dimethylpyrrolidin-2-one, 1,4-Dimethylpyrrolid-2-one, 2-Pyrrolidinone, 1,4-dimethyl-, 4-Dimethylpyrrolidone, N-Methyl-4-methyl-pyrrolidin-2-one, 1,4-Dimethyl-2-pyrrolidinone, 1,4-Dimethylpyrrolidone

1,4-Dimethyl-2-pyrrolidone (CAS 2555-04-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H11NO and a molecular weight of 113.15800 g/mol. Key properties include a boiling point of 197.6ºC at 760mmHg, a density of 0.973g/cm3 and a flash point of 85.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2555-04-6
Jingsj CID: J-1504480-1
Molecular Formula: C₆H₁₁NO
Molecular Weight: 113.15800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	197.6ºC at 760mmHg
Density	0.973g/cm3
Flash Point	85.2ºC
Exact Mass	113.08400
PSA	20.31000
LogP	0.42250
Vapor Pressure	0.376mmHg at 25°C
Refractive Index	1.455

Customs & Trade Information

HS Code	2933790090
Summary	2933790090. 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 1,4-Dimethyl-2-pyrrolidone?

The CAS number of 1,4-Dimethyl-2-pyrrolidone is 2555-04-6.

What are the molecular formula and molecular weight of 1,4-Dimethyl-2-pyrrolidone?

1,4-Dimethyl-2-pyrrolidone has molecular formula C6H11NO and molecular weight 113.15800 g/mol.

What are the upstream and downstream products of 1,4-Dimethyl-2-pyrrolidone?

For 1,4-Dimethyl-2-pyrrolidone, Upstream Products: Itaconic acid, 1-Methyl-5-oxopyrrolidine-3-carboxylic acid.

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. "1,4-Dimethyl-2-pyrrolidone (CAS 2555-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504480-1 (accessed 2026-11-09).

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