Thermo Scientific Chemicals α-Naphtholbenzein

Description

Indicator

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

Specifications

Chemical Identifiers

• CAS: 145-50-6
• Molecular Formula: C₂₇H₁₈O₂
• Molecular Weight (g/mol): 374.44
• 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

• Melting Point: 230.0°C to 235.0°C
• Infrared Spectrum: Authentic
• Quantity: 5 g
• 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: Solubility in water: insoluble. Other solubilities: soluble in acetone, acetic acid
• Formula Weight: 374.44
• Chemical Name or Material: α-Naphtholbenzein

Safety and Handling

Product Identifier

• alpha-Naphtholbenzein

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.

Supplemental information

• MIXTURE LIST-Contains : 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-1(4H)-Naphthalenone

RUO – Research Use Only