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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

COAs

Packings

10 g (00010)

25 g (00025)

100 g (00100)

1000 g (01000)

1GBA000032 1PB1200060 1PB1200100 1PB1201250
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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

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

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 λmax; in 50% ethanol + 2 ml acetic acid) Min 900
Loss on drying (at 110°C) Max 12%
Revision Date: 19-Mar-2020

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