4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER

Also known as: Dimethyl 4-(phenylethynyl)phthalate, 1,2-Benzenedicarboxylic acid, 4-(2-phenylethynyl)-, 1,2-dimethyl ester, 4-Phenylethynylphthalic dimethyl ester, 4-phenyl ethynyl dimethyl phthalate

4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER (CAS 865354-04-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H14O4 and a molecular weight of 294.30100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 865354-04-7
Jingsj CID: J-1451211-9
Molecular Formula: C₁₈H₁₄O₄
Molecular Weight: 294.30100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	294.08900
PSA	52.60000
LogP	2.65960

Frequently Asked Questions

What is the CAS number of 4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER?

The CAS number of 4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER is 865354-04-7.

What are the molecular formula and molecular weight of 4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER?

4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER has molecular formula C18H14O4 and molecular weight 294.30100 g/mol.

What are the upstream and downstream products of 4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER?

For 4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER, Downstream Products: 4-Phenylethynylphthalic anhydride.

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. "4-PHENYLETHYNYLPHTHALIC DIMETHYL ESTER (CAS 865354-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451211-9 (accessed 2026-11-09).

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