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Acetophenone

Also known as: Acetophenone, 1-Phenylethanone, Methyl phenyl ketone, Acetylbenzene, Benzene, acetyl-, Ethanone, 1-phenyl-, Hypnone, Phenyl methyl ketone

Acetophenone (CAS 98-86-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H8O and a molecular weight of 120.148 g/mol. Key properties include a melting point of 19.6ºC, a boiling point of 202.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 82.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98-86-2
Jingsj CID
J-1991925-6
Molecular Formula
C8H8O
Molecular Weight
120.148 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point19.6ºC
Boiling Point202.0±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point82.2±0.0 °C
Exact Mass120.057518
PSA17.07000
LogP1.66
Additional Property4.1 (vs air)
Vapor Pressure0.3±0.4 mmHg at 25°C
Refractive Index1.512
Additional Property5.5 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation

Activity & Biological Data

Additional Information[1]. Żymańczyk-Duda E, et al. Reductive capabilities of different cyanobacterial strains towards acetophenone as a model substrate - Prospect of applications for chiral building blocks synthesis. Bioorg Chem. 2019 Feb 25. pii: S0045-2068(18)31467-6.

Customs & Trade Information

HS Code2914391000
SummaryHS: 2914391000 acetophenone Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:4.0% General tariff:11.0%

Frequently Asked Questions

What is the CAS number of Acetophenone?

The CAS number of Acetophenone is 98-86-2.

What are the molecular formula and molecular weight of Acetophenone?

Acetophenone has molecular formula C8H8O and molecular weight 120.148 g/mol.

Is Acetophenone hazardous?

Acetophenone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Acetophenone?

For Acetophenone, Downstream Products: 2-Mercapto-6-phenyl-4-(trifluoromethyl)nicotinonitrile, 3,4-dimethyl-3,4-diphenylhexane, 2-Phenyl-2-butanol.

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

Last updated:

How to cite: Jingsj. "Acetophenone (CAS 98-86-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991925-6 (accessed 2026-11-06).

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