o-Cresolphthalein is a phthalein dye used as a pH indicator in titrations. It is insoluble in water but soluble in ethanol, and its solution changes from colorless to purple over the pH range of 8.
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P-aminoazobenzene
yellow azo dye
P-dimethylaminoazobenzene
dye for wax products and pH indicator
1,2-dimethoxyanthracene-9,10-dione
anthraquinone dye intermediate
2-nitroresorcinol
dye intermediate for textile applications
Phenolphthaleina
pharmaceutical raw material
Thymolphthalein
pH indicator dye
The international HS code for O-Cresolphthalein (CAS 596-27-0) is 2932.20.
2932.20
2932 20 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
CPBJMKMKNCRKQB-UHFFFAOYSA-N
CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O
Sourcing O-Cresolphthalein?
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