N-Acetyl-4-benzoquinone imine

N-乙酰苯醌亚胺

Also known as: NAPQI, N-Acetyl-p-benzoquinone imine, N-Acetyl-1,4-benzoquinone imine, Acetimidoquinone, N-Acetyl-4-benzoquinoneimine, N-Acetyl-p-benzoquinonimine, 4-(Acetylimino)-2,5-cyclohexadien-1-one, N-(4-Oxo-2,5-cyclohexadien-1-ylidene)acetamide, N-Acetylbenzoquinone-imine, N-Acetyl-para-quinoneimine, N-Acetylimidoquinone

N-Acetyl-4-benzoquinone imine (CAS 50700-49-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2 and a molecular weight of 149.147 g/mol. It is also known as NAPQI, N-Acetyl-p-benzoquinone imine and N-Acetyl-1,4-benzoquinone imine. Key properties include a melting point of 74-75ºC, a boiling point of 255.6±43.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 101.6±33.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50700-49-7
Jingsj CID: J-1987634-8
Molecular Formula: C₈H₇NO₂
Chinese Name: N-乙酰苯醌亚胺
Molecular Weight: 149.147 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	74-75ºC
Boiling Point	255.6±43.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	101.6±33.5 °C

Frequently Asked Questions

What is the CAS number of N-Acetyl-4-benzoquinone imine?

The CAS number of N-Acetyl-4-benzoquinone imine is 50700-49-7.

What are the molecular formula and molecular weight of N-Acetyl-4-benzoquinone imine?

N-Acetyl-4-benzoquinone imine has molecular formula C8H7NO2 and molecular weight 149.147 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-Acetyl-4-benzoquinone imine (CAS 50700-49-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987634-8 (accessed 2026-10-22).

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