Neutral Red Indicator 60% AR
C.I.No.50040 Suitable for microscopy and microbiology and supravital staining of living blood cells.
3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, Toluylene red, Basic Red 5
Product Code. |
01802 |
Grade |
AR |
Purity |
60% |
CAS No. |
553-24-2 |
Molecular Formula |
C15H17ClN4 |
Molecular Weight |
288.78 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
| Physical state at 20 °C |
Solid |
Colour |
Dark green powder |
Odour |
Odorless |
| pH value |
3.1 |
Melting point/ Freezing point [°C] |
290 °C |
Solubility in water [% weight] |
Soluble in water |
| 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) | Max 12% |