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fthalide

Also known as: 4,5,6,7-tetrachlorophthalide, phthalide, rabcide, tetrachlorophthalide, 1(3H)-isobenzofuranone,4,5,6,7-tetrachloro-, 4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one, 4,5,6,7-tetrachloro-3H-2-benzofuran-1-one, 4,5,6,7-tetrachloro-1(3H)-isobenzofuranone, 4,5,6,7-tetrachloroisobenzofuran-1(3H)-one, KF-32, PHH, EINECS 229-405-2, blasin, kasurabcide, bayer 96610

fthalide (CAS 27355-22-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H2Cl4O2 and a molecular weight of 271.912 g/mol. Key properties include a melting point of 209-210ºC, a boiling point of 464.4±45.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 215.8±27.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27355-22-2
Jingsj CID
J-45538-5
Molecular Formula
C8H2Cl4O2
Molecular Weight
271.912 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point209-210ºC
Boiling Point464.4±45.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point215.8±27.7 °C
Exact Mass269.880890
PSA26.30000
LogP2.73
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.636
Storage Conditions0-6℃

Customs & Trade Information

HS Code2932209013
Summary2932209013 4,5,6,7-tetrachloroisobenzofuran-1(3h)-one。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:20.0%

Frequently Asked Questions

What is the CAS number of fthalide?

The CAS number of fthalide is 27355-22-2.

What are the molecular formula and molecular weight of fthalide?

fthalide has molecular formula C8H2Cl4O2 and molecular weight 271.912 g/mol.

What are the upstream and downstream products of fthalide?

For fthalide, Upstream Products: Tetrachlorophthalic anhydride, Phthalic anhydride, Tetrahydrofuran.

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

Last updated:

How to cite: Jingsj. "fthalide (CAS 27355-22-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45538-5 (accessed 2026-11-06).

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