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patent blue v specifications c.i no. food colour index no. i.s.i no. b.s. no. c.a.s no. class 42051 blue 5 - - - triaryl methane purity test pure dye content % (min.) 85.00 loss on dye at 135c & s.c. s % (max) 15.00 water insoluble matter % (max) 0.20 ether extractable matter % (max) 0.20 subsidiary dyes % (max) 2.00 organic compounds other than coloring matters% (max) 0.50 unsulsonated primary aromatic amines % (max) 0.01 arsenic (as"as") ppm(max 3.00 lead (as"pb") ppm (max) 10.00 mercury (as"hg") ppm (max) 1.00 cadmium (as"cd") ppm (max) 1.00 heavy metals ppm (max) 40.00.
