NEUTRAL RED INDICATOR 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

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Article No.
04840
Grade
AR
Purity
60%
CAS No.
553-24-2
Molecular Formula
C15H17ClN4
Molecular Weight
288.78
H.S. Code
3204.9000
Shelf Life
60 Months
MSDS
 

 

Physical Properties

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

Packings

  • 1GBA000032

    10 g (00010)

  • 1PB1200060

    25 g (00025)

  • 1PB1200100

    100 g (00100)

  • 1PB1201250

    1000 g (01000)

 

Specifications

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%

Revision Date : 17-Jan-2015
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