250198

Methyl Red

ACS reagent, crystalline

• Synonyma: 2-(4-Dimethylaminophenylazo)benzoic acid, 4-Dimethylaminoazobenzene-2′-carboxylic acid, Acid Red 2
• Lineární vzorec: (CH₃)₂NC₆H₄N=NC₆H₄CO₂H
• Číslo CAS: 493-52-7
• Molekulová hmotnost: 269.30
• Colour Index Number: 13020
• Beilstein/REAXYS Number: 750102
• EC Number: 207-776-1
• MDL number: MFCD00002425
• UNSPSC Code: 12171500
• PubChem Substance ID: 24855040
• NACRES: NA.47

Vlastnosti

• grade: ACS reagent
• Quality Level: 200
• form: crystalline
• technique(s): titration: suitable
• visual transition interval: 4.2-6.2, pink to yellow
• mp: 179-182 °C (lit.)
• solubility: ethanol: 1 mg/mL
• λmax: 410 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O
• InChI: 1S/C15H15N3O2/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-10H,1-2H3,(H,19,20)/b17-16+
• InChI key: CEQFOVLGLXCDCX-WUKNDPDISA-N

Popis

Application

Methyl Red has been used as pH indicator in a glucose biosensor, which is used for salivary analysis.

Biochem/physiol Actions

Methyl Red is a maroon red crystal azo dye. Methyl Red is a pH indicator and changes color at a pH of 5.5. Methyl Red is widely used in saliva sampling method. In addition, it is also employed in carbohydrate and lactic acid detection. Methyl Red has been effectively used for intrageneric differentiation of Enterobacteriaceae.

Bezpečnostní informace

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)