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alpha-Naphtholbenzein, Thermo Scientific Chemicals

$85.84 - $809.00

Chemical Identifiers

CAS 145-50-6
Molecular Formula C27H18O2
Molecular Weight (g/mol) 374.439
MDL Number MFCD00078492
InChI Key VDDWRTZCUJCDJM-PNHLSOANSA-N
PubChem CID 5941340
IUPAC Name (4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
SMILES C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O
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Products 3
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1612506
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Thermo Scientific Chemicals
A1612506
5 g
Each for $85.84
 
AAA1612514
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Thermo Scientific Chemicals
A1612514
25 g
Each for $255.67
 
AAA1612522
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Thermo Scientific Chemicals
A1612522
100 g
Each for $809.00
 
Description

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.
Specifications

Chemical Identifiers

145-50-6
374.439
VDDWRTZCUJCDJM-PNHLSOANSA-N
(4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
C27H18O2
MFCD00078492
5941340
C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O

Specifications

145-50-6
C27H18O2
5 g
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
VDDWRTZCUJCDJM-PNHLSOANSA-N
(4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
5941340
alpha-Naphtholbenzein
∼225°C (decomposition)
MFCD00078492
3471575
Soluble in ethanol,acetic acid and acetone. Insoluble in water.
C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O
374.439
374.44
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Safety and Handling

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

H315-H319-H335

EINECSNumber : 205-656-3

TSCA : Yes

Recommended Storage : Ambient temperatures

SDS
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RUO – Research Use Only