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  7. alpha-Naphtholbenzein, Thermo Scientific Chemicals

alpha-Naphtholbenzein, Thermo Scientific Chemicals

Catalog Number AAA1612522
Click to view available options
Quantity:
5 g
25 g
100 g
145-50-6
C27H18O2
374.439
MFCD00078492
VDDWRTZCUJCDJM-PNHLSOANSA-N
5941340
(4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O
145-50-6
C27H18O2
374.439
MFCD00078492
VDDWRTZCUJCDJM-PNHLSOANSA-N
5941340
(4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O

Description

α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).

Solubility
Soluble in ethanol, acetic acid and acetone. Insoluble in water.

Notes
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents.
TRUSTED_SUSTAINABILITY
Melting Point ∼225°C (decomposition)
Quantity 100 g
Beilstein 3471575
Synonym p-naphtholbenzein, 1-naphtholbenzein, alpha-naphtholbenzein, .alpha.-naphtholbenzein, 4-4-hydroxynaphthyl phenylmethylene naphthalen-1-one, naphtholbenzein, 1 4h-naphthalenone, 4-4-hydroxy-1-naphthalenyl phenylmethylene, 1 4h-naphthalenone,4-4-hydroxy-1-naphthalenyl phenylmethylene, 1 4h-naphthalenone, 4-.alpha.-4-hydroxy-1-naphthyl benzylidene
Solubility Information Soluble in ethanol,acetic acid and acetone. Insoluble in water.
Formula Weight 374.44
Chemical Name or Material alpha-Naphtholbenzein

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 205-656-3
TSCA Yes
Recommended Storage Ambient temperatures
SDS

RUO – Research Use Only

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