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3-Phenylphthalide

Also known as: 3-Phenyl-1(3H)-isobenzofuranone, 3-Phenylphthalide, 3-phenyl-3H-2-benzofuran-1-one, 3-Phenyl-3H-isobenzofuran-1-one, 1(3H)-Isobenzofuranone, 3-phenyl-

3-Phenylphthalide (CAS 5398-11-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H10O2 and a molecular weight of 210.22800 g/mol. Key properties include a melting point of 120-122°C, a boiling point of 368.9ºC at 760mmHg, a density of 1.234g/cm3 and a flash point of 154.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5398-11-8
Jingsj CID
J-20460-4
Molecular Formula
C14H10O2
Molecular Weight
210.22800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point120-122°C
Boiling Point368.9ºC at 760mmHg
Density1.234g/cm3
Flash Point154.5ºC
Exact Mass210.06800
PSA26.30000
LogP2.94640
Refractive Index1.622

Customs & Trade Information

HS Code2932209090
Summary2932209090. 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 3-Phenylphthalide?

The CAS number of 3-Phenylphthalide is 5398-11-8.

What are the molecular formula and molecular weight of 3-Phenylphthalide?

3-Phenylphthalide has molecular formula C14H10O2 and molecular weight 210.22800 g/mol.

What are the upstream and downstream products of 3-Phenylphthalide?

For 3-Phenylphthalide, Upstream Products: Benzaldehyde, 2-Bromobenzoic acid, 2-Cyanobenzaldehyde; Downstream Products: 2,3-Diphenyl-1-indenone, 2-Benzoylbenzoic acid, 2-Phenyl-2-propanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Phenylphthalide (CAS 5398-11-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20460-4 (accessed 2026-11-09).

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