1-(3-aminophenyl)pyrrolidin-2-one

Also known as: 1-(3-Aminophenyl)pyrrolidin-2-one, 1-(3-aminophenyl)-2-pyrrolidone, 1-(3-aminophenyl)-2-pyrrolidinone

1-(3-aminophenyl)pyrrolidin-2-one (CAS 31992-43-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O and a molecular weight of 176.21500 g/mol. Key properties include a boiling point of 464.5ºC at 760 mmHg, a density of 1.234g/cm3 and a flash point of 234.7ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31992-43-5
Jingsj CID: J-1506367-9
Molecular Formula: C₁₀H₁₂N₂O
Molecular Weight: 176.21500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	464.5ºC at 760 mmHg
Density	1.234g/cm3
Flash Point	234.7ºC
Exact Mass	176.09500
PSA	46.33000
LogP	2.04180
Refractive Index	1.63

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

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-(3-aminophenyl)pyrrolidin-2-one?

The CAS number of 1-(3-aminophenyl)pyrrolidin-2-one is 31992-43-5.

What are the molecular formula and molecular weight of 1-(3-aminophenyl)pyrrolidin-2-one?

1-(3-aminophenyl)pyrrolidin-2-one has molecular formula C10H12N2O and molecular weight 176.21500 g/mol.

Is 1-(3-aminophenyl)pyrrolidin-2-one hazardous?

1-(3-aminophenyl)pyrrolidin-2-one has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 1-(3-aminophenyl)pyrrolidin-2-one?

For 1-(3-aminophenyl)pyrrolidin-2-one, Upstream Products: m-Phenylenediamine; Downstream Products: 3-(2-Oxopyrrolidin-1-yl)benzene-1-sulfonyl chloride.

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-(3-aminophenyl)pyrrolidin-2-one (CAS 31992-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506367-9 (accessed 2026-11-09).

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