C19H6Br8O5S
985.5 g/mol
Dye & PigmentDanger
Tetrabromophenol blue
CAS4430-25-5EC224-622-9
Category
Dye & Pigment
Compound Class
Halocarbon
Primary Use
pH indicator and dye
Tetrabromophenol blue is a brominated derivative of phenolphthalein that serves as a pH indicator and dye. It is a member of benzofurans and is characterized by a highly halogenated, aromatic structure.
pH indicatordye
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Safety Reference
Danger
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Tetrabromophenol blue (CAS 4430-25-5) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
InChIKey
QPMIVFWZGPTDPN-UHFFFAOYSA-N
SMILES
C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
Synonyms (26)
- Tetrabromophenol blue
- Tetrabromophenol blue, IND
- Tetrabromophenol blueTBPB
- Tetrabromophenyl blue
- Tetrabromphenolblau
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