CART

Basic Yellow 40

Basic Yellow 40 is an excellent dye stain for cyanoacrylate. It fluoresces under blue light (use yellow goggles/filters to view and photograph the fluorescence). The solutions can be diluted.
Product #
Description
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B-85200
Basic Yellow 40, 100 ml solution in a polyethylene bottle
 
B-85300
Basic Yellow 40, 500 ml solution (2 g/liter in ethanol), in a spray bottle.
 
B-85250
Basic Yellow 40, 25 grams in a brown glass bottle
 

IUPAC name: 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
CAS-Number: 12221-86-2
Type: Coumarin dye