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alpha-Naphtholbenzein, Thermo Scientific Chemicals
Supplier: Thermo Scientific Chemicals A1612514
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.
Applicationsα-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
| 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 |
| 145-50-6 | |
| C27H18O2 | |
| 25 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 |
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 |
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
RUO – Research Use Only