Basic Violet 5, Basic Violet 8, Thioflavin T, Thymolphthalein, Biological Stains, PH Indicators, Mumbai, India

	Manufacturers & Exporters Of Electroplating Chemicals & Laboratory Chemicals
	Safranine O, Diethyl Safranine , Basic Violet 5, Basic Violet 8, Thioflavin T, O-Cresolpthalein, Thymolpthalein, Dyes & Chemicals, P^H Indicators, Laboratory Reagents

Safranin

Chemical Name	3,7-diamino-2,8-dimethyl-5-phenyl-phenazinium chloride
C.I.No.	50240
C.I.Genetic Name	Basic Red 2
C.A.S. NO	477-73-6
Chemical Formula	C₂₀H₁₉CIN₄
Molecular Weight	350.85 gm/mole
Dye Content (Spectrophotometry)	=>98%
Absorption Max (50% Ethanol)	= 530 - 534 nm
Absorptivity (A1%/1cm., in 50% Ethanol)	=>1450
Loss On Drying (110° C)	= < 5 %

Diethyl Safranin

Chemical Name	3-Amino-7-N,N-Dimethylamino-5-Phenyl Phenazinium Chloride
C.A.S. NO	4569-86-2
C.I.No.	50206
M.F.	C₂₂H₂₃N₄CI
M.W.	378.91 gm/mole
Specifications :
Appearance	Dark green powder
Dye Content (Spectrophotometric)	>80%
Solubility 0.1% (in water)	Clear red solution
Absorption maximum (in water)λmax	552-557 nm
Absorptivity (A1% / 1cm in water at λmax)	>950
Loss on drying (110⁰C)	<5%

Basic Violet 5 (Dimethyl Safranin)

Basic Violet 5 (Dimethyl Safranin)

Chemical Name	3-Amino-7-N,N-Dimethylamino-5-Phenyl Phenazinium Chloride
C.A.S. NO	2390-56-9
C.I.No.	50205
M.F.	C₂₀H₁₉N₄CI
M.W.	350.84 gm/mole
Specifications :
Appearance	Dark green/brownish green powder
Dye Content (Spectrophotometric)	>80%
Solubility 0.1% (in water)	Clear red solution
Absorption maximum (in water)λmax	546-551 nm
Absorptivity (A1% / 1cm in water at λmax)	>900
Loss on drying (110⁰C)	<5%

Basic Violet 8

Chemical Name	3- Amino-7-N, N- Dimethylamino -2-methyl-4'-methyl-5- phenyl - phenazinium choloride
C.A.S. NO	8004-94-2
C.I.No.	50210
M.F.	C₂₂H₂₃N₄CI
M.W.	378.86 gm/mole
Specifications :
Appearance	Brown / greenish brown powder
Dye Content (Spectrophotometric)	> 70%
Solubility 0.1% (in water)	Clear red Solution
Absorption maximum (in water) λmax	544-550 nm
Absorptivity (A1%/1cm in water at λ max.)	> 700
Loss On Drying (110° C)	< 5 %

Thioflavin T ( Basic Yellow 1)

Biological Stains, P^H indicators and Laboratory Reagents

Acid Fuchsin, Alizarin Yellow G (G), etc.

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