5-Acetyl-2-aminobenzonitrile

5-乙酰基-2-氨基苯腈

Also known as: 2-Amino-5-acetylbenzonitrile, 4-Amino-3-cyanoacetophenone, 4'-Amino-3'-cyanoacetophenone, 5-Acetyl-2-aminobenzonitrile, 5-Acetylanthranilonitrile, Benzonitrile, 5-acetyl-2-amino-, 5-acetyl-2-aminobenzenecarbonitrile, 3-cyano-4-amino-acetophenone, CL8661

5-Acetyl-2-aminobenzonitrile (CAS 33720-71-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O and a molecular weight of 160.173 g/mol. It is also known as 2-Amino-5-acetylbenzonitrile, 4-Amino-3-cyanoacetophenone and 4'-Amino-3'-cyanoacetophenone. Key properties include a melting point of 159-161ºC, a boiling point of 374.5±32.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 180.3±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33720-71-7
Jingsj CID
J-1421636-3
Molecular Formula
C9H8N2O
Chinese Name
5-乙酰基-2-氨基苯腈
Molecular Weight
160.173 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point159-161ºC
Boiling Point374.5±32.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point180.3±25.1 °C

Frequently Asked Questions

What is the CAS number of 5-Acetyl-2-aminobenzonitrile?

The CAS number of 5-Acetyl-2-aminobenzonitrile is 33720-71-7.

What are the molecular formula and molecular weight of 5-Acetyl-2-aminobenzonitrile?

5-Acetyl-2-aminobenzonitrile has molecular formula C9H8N2O and molecular weight 160.173 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Acetyl-2-aminobenzonitrile (CAS 33720-71-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421636-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.