Product Name: | Methyl Red |
Synonyms: | CI NO 13020;BROMOCRESOL GREEN-METHYL RED;BROMOCRESOL GREEN-METHYL RED ETHANOL;BROMOCRESOL GREEN/METHYL RED, MIXED INDICATOR;BROMOCRESOL GREEN/METHYL RED, MIX INDICATOR FOR ALKALINITY;METHYL RED;METHYL RED INDICATOR;METHYL RED MIXED SOLUTION |
CAS: | 493-52-7 |
MF: | C15H15N3O2 |
MW: | 269.3 |
EINECS: | 207-776-1 |
Product Categories: | Organics;Analytical Chemistry;Indicator (pH);pH Indicators;Biochemical Reagents for Identification;Identification Tests&Reagents;Microbiology;BTitration;Indicator Solutions;Indicators;Stains and Dyes;Stains&Dyes, A to;Titration;Azo |
Mol File: | 493-52-7.mol |
Methyl Red Chemical Properties | |
Melting point | 178-182°C |
Boiling point | 412.44°C (rough estimate) |
density | 0.839 g/mL at 25 °C |
refractive index | 1.5930 (estimate) |
Fp | 11 °C |
storage temp. | −20°C |
solubility | ethanol: soluble1mg/mL |
form | Solid |
pka | 4.95(at 25ºC) |
Colour Index | 13020 |
color | Reddish-violet |
PH Range | 4.4(red)-6.3(yellow) |
Water Solubility | Practically insoluble in water. Soluble in alcohol, acetic acidSoluble in ethanol. Insoluble in water. |
λmax | 410nm, 530nm, 427nm, 519nm |
Merck | 14,6119 |
BRN | 750102 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Major Application | Waveguides, LED sensors, photoresists, liquid crystals, sol-gel matrix, optical sensors, paints, toys, detection of thiols, food freshness sensors, dental product, saliva sampling method, detecting lactic acid, carbohydrates |
CAS DataBase Reference | 493-52-7 |
NIST Chemistry Reference | Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-(493-52-7) |
EPA Substance Registry System | Benzoic acid, 2-[[4-(dimethylamino)phenyl] azo]-(493-52-7) |
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