Tetrabromophenol Blue

四溴酚蓝

Also known as: TBPB, Tetrabromophenol blue indicator, Tetrabromophenol blue sulfone form, 3,3',3'',4,5,5',5'',6-Octabromophenolsulfonphthalein, 4,4'-(4,5,6,7-Tetrabromo-1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2,6-dibromophenol), Tetrabromophenoltetrabromosulfophthalein, 4,5,6,7-Tetrabromo-3,3-bis(3,5-dibromo-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

Tetrabromophenol Blue (CAS 4430-25-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H6Br8O5S and a molecular weight of 985.545 g/mol. It is also known as TBPB, Tetrabromophenol blue indicator and Tetrabromophenol blue sulfone form. Key properties include a melting point of 203-205ºC, a boiling point of 728.8±60.0 °C at 760 mmHg, a density of 2.7±0.1 g/cm3 and a flash point of 394.5±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4430-25-5
Jingsj CID: J-1991868-2
Molecular Formula: C₁₉H₆Br₈O₅S
Chinese Name: 四溴酚蓝
Molecular Weight: 985.545 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	203-205ºC
Boiling Point	728.8±60.0 °C at 760 mmHg
Density	2.7±0.1 g/cm3
Flash Point	394.5±32.9 °C

Frequently Asked Questions

What is the CAS number of Tetrabromophenol Blue?

The CAS number of Tetrabromophenol Blue is 4430-25-5.

What are the molecular formula and molecular weight of Tetrabromophenol Blue?

Tetrabromophenol Blue has molecular formula C19H6Br8O5S and molecular weight 985.545 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tetrabromophenol Blue (CAS 4430-25-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991868-2 (accessed 2026-10-24).

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