α-Naphtholbenzein

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].

Product Specifications

CAS Number

[145-50-6]

Product Name Alternative

P-Naphtolbenzein

UNSPSC

12171500

Hazard Statement

H315, H319

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/α-naphtholbenzein.html

Purity

87.20

Solubility

DMSO : 50 mg/mL (ultrasonic)

Smiles

O=C1C=C/C(C2=C1C=CC=C2)=C(C3=C4C=CC=CC4=C(O)C=C3)/C5=CC=CC=C5

Molecular Formula

C27H18O2

Molecular Weight

374.44

Precautions

H315, H319

References & Citations

[1]Maskula S, et al. Titration of strong and weak acids by sequential injection analysis technique. Talanta. 2000 May 31;52 (1) :91-9.

Shipping Conditions

Room Temperature

Storage Conditions

-20°C, 3 years; 4°C, 2 years (Powder)

Scientific Category

Dye Reagents

Clinical Information

No Development Reported

Available Sizes

Curated Selection

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