α-Naphtholbenzein | MedChemExpress (MCE)

α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10). α-Naphtholbenzein is often used during sequential injection analysis technique done for acid-base titrations[1].

Trivial name α-Naphtholbenzein
Catalog Number HY-125457
Alternative Name(s) p-Naphtolbenzein
Research Area Others
CAS# 145-50-6
Purity ≥98.00%
SMILES O=C1C=C/C(C2=C1C=CC=C2)=C(C3=C4C=CC=CC4=C(O)C=C3)/C5=CC=CC=C5
PubChem Chemical Structure ID 5941340
Size 1 mg
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