alpha,alpha-Diphenyl-gamma-butyrolactone

Also known as: 4-Hydroxy-2,2-diphenylbutyric acid gamma-lactone, 3,3-Diphenyldihydrofuran-2(3H)-one, 3,3-Diphenyloxolan-2-one, 4,5-Dihydro-3,3-diphenyl-2(3H)-furanone, Dihydro-3,3-diphenyl-2(3H)-furanone, MFCD00005393, EINECS 213-480-3

alpha,alpha-Diphenyl-gamma-butyrolactone (CAS 956-89-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C16H14O2 and a molecular weight of 238.28100 g/mol. Key property: a melting point of 77-79 â„ƒ(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 956-89-8
Jingsj CID: J-40146-5
Molecular Formula: C₁₆H₁₄O₂
Molecular Weight: 238.28100 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	77-79 â„ƒ(lit.)
Exact Mass	238.09900
PSA	26.30000
LogP	2.91960

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of alpha,alpha-Diphenyl-gamma-butyrolactone?

The CAS number of alpha,alpha-Diphenyl-gamma-butyrolactone is 956-89-8.

What are the molecular formula and molecular weight of alpha,alpha-Diphenyl-gamma-butyrolactone?

alpha,alpha-Diphenyl-gamma-butyrolactone has molecular formula C16H14O2 and molecular weight 238.28100 g/mol.

What are the upstream and downstream products of alpha,alpha-Diphenyl-gamma-butyrolactone?

For alpha,alpha-Diphenyl-gamma-butyrolactone, Upstream Products: Diphenylacetonitrile; Downstream Products: 4-Bromo-2,2-diphenylbutyric acid, 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide, Thianthrene.

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. "alpha,alpha-Diphenyl-gamma-butyrolactone (CAS 956-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40146-5 (accessed 2026-11-06).

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