METHYL RED INDICATOR AR
| Product Code | B-01743 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 493-52-7 |
| Molecular Formula | C15H15N3O2 | Molecular Weight | 269.31 |
| H.S.Code | 2927.00900 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Color | Dark red powder |
|---|---|---|---|
| Solubility in water [% weight] | Insoluble in water | Vapour density | 9.3 |
| Odour | Odorless | Melting point/ Freezing point [°C] | 179°C |
Packaging
Specification
| Appearance | Dark red to maroon to violet or purple powder or crystals |
| Identity | Passes test |
| pH transition range (4.4 – 6.2) | Pink Red – yellow orange |
| Insoluble matter in ethanol (1 g/L) | Passes test |
| Absorption maxima (buffer pH 4.5) | 523 – 526 nm |
| Absorption maxima (buffer pH 6.2) | 427 – 437 nm |
| Loss on dryig (at 110°C) | Max 5.0% |
| Residue on ignition (as SO4) | Max 2.0% |
Safety Information and Hazard Symbols
Symbol: GHS06
Signal Word: Danger