2,3-Diphenyl-2,3-butanediol

Also known as: 1,2-Dimethyl-1,2-diphenylethylene glycol, 1,2-Diphenyl-1,2-dimethyl-1,2-ethanediol, 1,2-diphenylbutane-2,3-diol, 2,3-Butanediol, 2,3-diphenyl-, 2,3-Diphenyl-butane-2,3-diol, 2,3-Dihydroxy-2,3-diphenylbutane, Acetophenonepinacol, symmetrical pinacol

2,3-Diphenyl-2,3-butanediol (CAS 1636-34-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H18O2 and a molecular weight of 242.31300 g/mol. Key properties include a melting point of 93-96ºC, a boiling point of 393.2ºC at 760mmHg, a density of 1.139g/cm3 and a flash point of 184.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1636-34-6
Jingsj CID: J-39160-6
Molecular Formula: C₁₆H₁₈O₂
Molecular Weight: 242.31300 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	93-96ºC
Boiling Point	393.2ºC at 760mmHg
Density	1.139g/cm3
Flash Point	184.8ºC
Exact Mass	242.13100
PSA	40.46000
LogP	2.80180
Vapor Pressure	6.87E-07mmHg at 25°C
Refractive Index	1.589

Customs & Trade Information

HS Code	2906299090
Summary	2906299090 other aromatic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,3-Diphenyl-2,3-butanediol?

The CAS number of 2,3-Diphenyl-2,3-butanediol is 1636-34-6.

What are the molecular formula and molecular weight of 2,3-Diphenyl-2,3-butanediol?

2,3-Diphenyl-2,3-butanediol has molecular formula C16H18O2 and molecular weight 242.31300 g/mol.

What are the upstream and downstream products of 2,3-Diphenyl-2,3-butanediol?

For 2,3-Diphenyl-2,3-butanediol, Downstream Products: 1-Phenylethanol, Acetophenone, Pinacolone.

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. "2,3-Diphenyl-2,3-butanediol (CAS 1636-34-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39160-6 (accessed 2026-11-09).

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