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Janus Green B

Basic Violet 5 Dye / Dimethyl Safranine

Basic Violet 5 Dye / Dimethyl Safranine

Approx. Rs 55 / Piece


Basic Violet 5 / Dimethyl Safranine is the dye of violet color which is also known by name of basic violet 6bn. It finds application as electroplating chemical and has brown/greenish brown powder based appearance with dye content (Spectrophotometric)of > 70%. Its other properties include maximum absorption in water of 544-550 nm, absorptivity (A1%/1cm in water at ? max.) of > 700 and loss on drying (110° C) of < 5 %.

Specification
C.I.No.2390-56-9
C.A.S. NO50205
Chemical FormulaC20H19N4Cl
Molecular Weight350.84 gm/mole
AppearanceDark green/brownish green powder
Solubility 0.1% (Aq.)Clear red Solution
Absorption Max (Aq.)? max.546-551 nm
Absorptivity (A1%/1cm Aq. at ? max.)> 800
Loss On Drying at 110° c (1 hr.)< 5%

Additional Information:

Janus Green B Dye

Janus Green B Dye

Janus Green B works as basic dye and vital stain that finds use in histology. These are also used for staining mitochondria where there is change in color of indicator janus green B depending upon the amount of oxygen present. The indicator is oxidized in blue color in presence of oxygen and shows pink color in case of absence of oxygen.

Specification
Chemical Name3-(Diethylamino)-7 [{4-dimethylamino)phenyl} azo ] -5-Phenylphenazinium Chloride
C.I.No.2869-83-2
C.A.S. NO11050
Chemical FormulaC30H31ClN6
Molecular Weight511.07 gm/mole
Dye Content (Spectrophotometry)>65%
Absorption Max (50% Ethanol)651 - 678 nm
Absorptivity (A1%/1cm., in 50% Ethanol)> 550
Loss On Drying (110° c)< 5%

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    Devang Mehta

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    Megha International

    Mandvi, Mumbai, Maharashtra, India

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