NEUTRAL RED INDICATOR 60% AR
| Product Code | B-01802 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 553-24-2 |
| Molecular Formula | C15H17ClN4 | Molecular Weight | 288.78 |
| H.S.Code | 3204.90000 | Shelf Life | 60 Months |
| Purity | 60 % |

Physical Properties
| Physical state at 20 °C | Solid | Color | Dark green Powder |
|---|---|---|---|
| Odour | Odorless | pH Value | 3.1 |
| Solubility in water [% weight] | Soluble in water | Melting point/ Freezing point [°C] | 290 °C |
Packaging

Specification
| Appearance | Dark green powder |
| Dye content (by spectrophotometry) | Min 60% |
| Transition range (pH 6.8 – 8.0) | Violet Red – Yellow |
| Solubility (0.1% in 50% ethanol) | Clear solution |
| Absorption maxima (50% ethanol + 2 ml acetic acid) | 539 – 544 nm |
| Absorptivity (A 1%/1cm; at lmax; in 50% ethanol + 2 ml acetic acid) | Min 900 |
| Loss on dryig (at 110°C) | Min 12% |
Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
