Methyl Red indicator solution
| QUANTITY |
PRICE |
ENQUIRY |
|
125 ml |
Rs
100.00
|
|
|
500 ml |
Rs
360.00
|
|
- Formula: C₁₅H₁₅N₃O₂ (acid form)
- CAS: 493-52-7 (acid)
- EC No.: 207-776-1
- M: 269.30 g/mol (acid)
- D: ~1.00 g/cm³ (solution)
- mp: Not applicable
- bp: Not applicable
- Optical Rotation: Not applicable
- Concentration: Typically 0.1% w/v in ethanol (or 0.04% in water with NaOH).
- Appearance: Red solution (in ethanol).
- pH Transition: Red 4.4 – 6.2 Yellow.
- Color Change Test: Passes test (red in pH 4.0 buffer, yellow in pH 6.5 buffer).
- Absorbance Maximum: ~525 nm (red form).
- Clarity: Clear solution.
- Hazard: Flammable (if in ethanol). Causes serious eye irritation.
- Safety: For laboratory use only. Keep away from heat/sparks/open flames. Wear protective gloves/eye protection.
- Storage: Store in a cool, well-ventilated place. Protect from light.
