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METHYL RED INDICATOR AR
C.I.No.13020
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC3659 | AR | 493-52-7 | C15H15N3O2 | 269.31 | 2927.0090 | 60 Months |
Packings
| 25 g,100 g,1000 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Dark red powder |
| Odour | Odorless |
| Melting point/ Freezing point [°C] | 179°C |
| Vapour density | 9.3 |
| Solubility in water [% weight] | Insoluble in water |
Specifications
| Appearance | Dark red to maroon to violet or purple powder or crystals |
| Identity | Passes test |
| pH transition range (4.2 - 6.2) | Pink Red – yellow orange |
| Insoluble matter in ethanol (1 g/L) | Passes test |
| Absorption maxima (buffer pH 4.2) | 523 - 526 nm |
| Absorption maxima (buffer pH 6.2) | 427 - 437 nm |
| Loss on drying (at 110°C) | Max 5.0% |
| Residue on ignition (as SO4) | Max 2.0% |
Safety Information and Hazard Symbols
| Symbol | |
| Signal Word | |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | 22-24/25 |