Thermo Scientific Chemicals Methyl Red, pure, indicator

Description

Methyl Red, C15H15N3O2, CAS Number-493-52-7, Acid Red 2, 2-[4-(Dimethylamino)phenylazo]benzoic acid, C.I. 13020, 25g, 269.3, Pure, Warning, GHS H Statement: Harmful if swallowed. | CAS: 493-52-7 | C15H15N3O2 | 269.304 g/mol

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.

Indicator

Specifications

Chemical Identifiers

• CAS: 493-52-7
• Molecular Formula: C15H15N3O2
• Molecular Weight (g/mol): 269.304
• InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N
• Synonym: Acid Red 2, 2-[4-(Dimethylamino)phenylazo]benzoic acid, C.I. 13020
• PubChem CID: 10303
• IUPAC Name: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
• SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O

• Melting Point: 178.0°C to 182.0°C
• Linear Formula: (CH₃)₂NC₆H₄N=NC₆H₄CO₂H
• Solubility Information: Solubility in water: almost insoluble. Other solubilities: soluble in ethanol, acetic acid
• Infrared Spectrum: Authentic
• Formula Weight: 269.3
• Grade: Pure
• Packaging: Glass bottle
• Specific Extinction: 650 min. (430nm, in buffer)
• Visual Transition Interval: from pH 4.2 (red) to pH 6.2 (yellow)
• Color: Red
• Quantity: 25 g
• Physical Form: Powder
• Chemical Name or Material: Methyl Red

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement: Harmful if swallowed.
Precautionary Statement	GHS P Statement: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

SDS

RUO – Research Use Only