N-Acetyl-4-benzoquinone imine
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. 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-1987634-7
- Molecular Formula
- C8H7NO2
- Molecular Weight
- 149.147 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical 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 |
| Exact Mass | 149.047684 |
| PSA | 46.50000 |
| LogP | 0.38 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.545 |
| Storage Conditions | -20°C |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Jiang D, et al. Organ-Specific Screening for Protein Damage Using Magnetic Bead Bioreactors and LC-MS/MS. Anal Chem. 2020 Apr 7;92(7):5337-5345. [2]. Thijssen HH, et al. Paracetamol (acetaminophen) warfarin interaction: NAPQI, the toxic metabolite of paracetamol, is an inhibitor of enzymes in the vitamin K cycle. Thromb Haemost. 2004 Oct;92(4):797-802. |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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.
What are the upstream and downstream products of N-Acetyl-4-benzoquinone imine?
For N-Acetyl-4-benzoquinone imine, Upstream Products: Acetaminophen, Benzene, iodyl-, 4-Aminophenol; Downstream Products: Acetaminophen, N-(3-Chloro-4-hydroxyphenyl)acetamide, 1,4-Benzoquinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Acetyl-4-benzoquinone imine (CAS 50700-49-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987634-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.