Benzylacetone

Also known as: 4-Phenyl-2-butanone, Methyl phenethyl ketone, Methyl 2-phenylethyl ketone, Phenethyl methyl ketone, 2-Butanone, 4-phenyl-, 4-Phenylbutan-2-one

Benzylacetone (CAS 2550-26-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O and a molecular weight of 148.202 g/mol. Key properties include a melting point of -13ºC, a boiling point of 233.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 98.3±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2550-26-7
Jingsj CID: J-30400-7
Molecular Formula: C₁₀H₁₂O
Molecular Weight: 148.202 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-13ºC
Boiling Point	233.5±0.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	98.3±0.0 °C
Exact Mass	148.088821
PSA	17.07000
LogP	1.67
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.504
Additional Property	PRACTICALLY INSOLUBLE

Activity & Biological Data

Target	IC50: 2.8 mM (monophenolase, tyrosinase mushroom), 0.6 mM (diphenolase, tyrosinase mushroom)[2]
Additional Information	[1]. Takamatsu S, et al. Agarotetrol: a source compound for low molecular weight aromatic compounds from agarwood heating. J Nat Med. 2018 Mar;72(2):537-541. [2]. Liu X, et al. Inhibition effects of benzylideneacetone, benzylacetone, and 4-phenyl-2-butanol on the activity of mushroom tyrosinase. J Biosci Bioeng. 2015 Mar;119(3):275-9. [3]. Ogawa K, et al. Appetite-Enhancing Effects: The Influence of Concentrations of Benzylacetone and trans-Cinnamaldehyde and Their Inhalation Time, as Well as the Effect of Aroma, on Body Weight in Mice. Biol Pharm Bull. 2016;39(5):794-8.

Target

IC50: 2.8 mM (monophenolase, tyrosinase mushroom), 0.6 mM (diphenolase, tyrosinase mushroom)[2]

Additional Information

[1]. Takamatsu S, et al. Agarotetrol: a source compound for low molecular weight aromatic compounds from agarwood heating. J Nat Med. 2018 Mar;72(2):537-541. [2]. Liu X, et al. Inhibition effects of benzylideneacetone, benzylacetone, and 4-phenyl-2-butanol on the activity of mushroom tyrosinase. J Biosci Bioeng. 2015 Mar;119(3):275-9. [3]. Ogawa K, et al. Appetite-Enhancing Effects: The Influence of Concentrations of Benzylacetone and trans-Cinnamaldehyde and Their Inhalation Time, as Well as the Effect of Aroma, on Body Weight in Mice. Biol Pharm Bull. 2016;39(5):794-8.

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Benzylacetone?

The CAS number of Benzylacetone is 2550-26-7.

What are the molecular formula and molecular weight of Benzylacetone?

Benzylacetone has molecular formula C10H12O and molecular weight 148.202 g/mol.

What are the upstream and downstream products of Benzylacetone?

For Benzylacetone, Downstream Products: 3-Benzyl-4-phenyl-2-butanone, 1-Bromo-4-phenylbutan-2-one, 3-bromo-4-phenylbutan-2-one.

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. "Benzylacetone (CAS 2550-26-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30400-7 (accessed 2026-11-09).

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