4-(hydroxymethyl)-1-methylpyrrolidin-2-one

Also known as: 4-(Hydroxymethyl)-1-methyl-2-oxopyrrolidine, 4-(Hydroxymethyl)-1-methyl-2-oxo-pyrollidine, 4-(Hydroxymethyl)-1-methyl-2-pyrrolidinone, 1-Methyl-4-hydroxymethyl-2-pyrrolidinone, 1-methyl-4-hydroxymethyl-pyrrolidin-2-one, 4-Hydroxymethyl-N-methylpyrrolidon, 1-methyl-5-oxo-3-pyrrolidinylmethyl alcohol

4-(hydroxymethyl)-1-methylpyrrolidin-2-one (CAS 59887-20-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H11NO2 and a molecular weight of 129.15700 g/mol. Key properties include a boiling point of 281.8ºC at 760 mmHg, a density of 1.124g/cm3 and a flash point of 124.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59887-20-6
Jingsj CID: J-1082977-3
Molecular Formula: C₆H₁₁NO₂
Molecular Weight: 129.15700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	281.8ºC at 760 mmHg
Density	1.124g/cm3
Flash Point	124.2ºC
Exact Mass	129.07900
PSA	40.54000
Refractive Index	1.487

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 4-(hydroxymethyl)-1-methylpyrrolidin-2-one?

The CAS number of 4-(hydroxymethyl)-1-methylpyrrolidin-2-one is 59887-20-6.

What are the molecular formula and molecular weight of 4-(hydroxymethyl)-1-methylpyrrolidin-2-one?

4-(hydroxymethyl)-1-methylpyrrolidin-2-one has molecular formula C6H11NO2 and molecular weight 129.15700 g/mol.

What are the upstream and downstream products of 4-(hydroxymethyl)-1-methylpyrrolidin-2-one?

For 4-(hydroxymethyl)-1-methylpyrrolidin-2-one, Upstream Products: Methyl 1-methyl-2-oxopyrrolidine-4-carboxylate, 1-Methyl-5-oxopyrrolidine-3-carboxylic acid, Dimethyl itaconate.

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. "4-(hydroxymethyl)-1-methylpyrrolidin-2-one (CAS 59887-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1082977-3 (accessed 2026-11-09).

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