1,1-Diphenylacetone

Also known as: 1,1-Diphenyl-2-propanone, 2-Propanone, 1,1-diphenyl-, Benzhydryl methyl ketone, Diphenyl acetone, Unsym-diphenylacetone, 1,1-Diphenylpropan-2-one, Methyldiphenyl acetate, 2-Oxo-1,1-diphenylpropane

1,1-Diphenylacetone (CAS 781-35-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C15H14O and a molecular weight of 210.271 g/mol. Key properties include a melting point of 59-63 °C(lit.), a boiling point of 307.6±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 133.8±7.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 781-35-1
Jingsj CID: J-25416-0
Molecular Formula: C₁₅H₁₄O
Molecular Weight: 210.271 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	59-63 °C(lit.)
Boiling Point	307.6±11.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	133.8±7.8 °C
Exact Mass	210.104462
PSA	17.07000
LogP	2.99
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.563

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 1,1-Diphenylacetone?

The CAS number of 1,1-Diphenylacetone is 781-35-1.

What are the molecular formula and molecular weight of 1,1-Diphenylacetone?

1,1-Diphenylacetone has molecular formula C15H14O and molecular weight 210.271 g/mol.

What are the upstream and downstream products of 1,1-Diphenylacetone?

For 1,1-Diphenylacetone, Upstream Products: (S)-(+)-1,1-Diphenyl-2-propanol, Bromobenzene, trimethyl(prop-1-en-2-yloxy)silane; Downstream Products: 3,3-Diphenylpropanoic acid, 5-Benzhydryl-1H-pyrazole, 4,4-Diphenyl-2-cyclohexen-1-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. "1,1-Diphenylacetone (CAS 781-35-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25416-0 (accessed 2026-11-09).

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