Phenoltetrachlorophthalein

3,4,5,6-四氯酚酞

Also known as: Phenoltetrachlorophthalein, 4,5,6,7-Tetrachloro-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one, 3,3-Bis(4-hydroxyphenyl)-4,5,6,7-tetrachloroisobenzofuran-1(3H)-one, 4,5,6,7-Tetrachloro-3,3-bis(4-hydroxyphenyl)phthalide, 4,5,6,7-Tetrachlorophenolphthalein

Phenoltetrachlorophthalein (CAS 639-44-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H10Cl4O4 and a molecular weight of 456.10300 g/mol. It is also known as 4,5,6,7-Tetrachloro-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one, 3,3-Bis(4-hydroxyphenyl)-4,5,6,7-tetrachloroisobenzofuran-1(3H)-one and 4,5,6,7-Tetrachloro-3,3-bis(4-hydroxyphenyl)phthalide. Key properties include a boiling point of 690.7ºC at760mmHg, a density of 11.643g/cm3 and a flash point of 371.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
639-44-1
Jingsj CID
J-1525029-4
Molecular Formula
C20H10Cl4O4
Chinese Name
3,4,5,6-四氯酚酞
Molecular Weight
456.10300 g/mol
Category
Alcohols
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point690.7ºC at760mmHg
Density11.643g/cm3
Flash Point371.5ºC

Frequently Asked Questions

What is the CAS number of Phenoltetrachlorophthalein?

The CAS number of Phenoltetrachlorophthalein is 639-44-1.

What are the molecular formula and molecular weight of Phenoltetrachlorophthalein?

Phenoltetrachlorophthalein has molecular formula C20H10Cl4O4 and molecular weight 456.10300 g/mol.

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

Last updated:

How to cite: Jingsj. "Phenoltetrachlorophthalein (CAS 639-44-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525029-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.