Description Dark red/reddish purple to brown powder. Solubility 0.1% solution in water should be clear.
	Identification (By UV-VIS) Passes test. 
	Dye content (Titanometry; on dried substance) :- Min. 45.0% 
	Absorption maximum λ max (buffer pH 12.2, on dried sub.) :- 632 – 636 nm 
	Absorptivity (A1% / 1 cm at λ max. 0.0015%; buffer pH 12.2; on dried subs.) :- 200 - 300 
	
		Description Dark red/reddish purple to brown powder. Solubility 0.1% solution in water should be clear.
	
		Identification (By UV-VIS) Passes test. 
	
		Dye content (Titanometry; on dried substance) :- Min. 45.0% 
	
		Absorption maximum λ max (buffer pH 12.2, on dried sub.) :- 632 – 636 nm 
	
		Absorptivity (A1% / 1 cm at λ max. 0.0015%; buffer pH 12.2; on dried subs.) :- 200 - 300