NILE CHEMICALS

Toluidine Blue

Structural formula Toluidine blue
Toluidine blue
C.I. number 52040
C.A.S. no. 92-31-9
Appearance Dark greenish black powder
Solubility 0.1 % water Clear Blue Soln
Absorptivity 1% 1cm at lamda max 629.0 nm 1312
Dye Content 86 %   (limi t>  80%)
Loss on drying 6.25 %

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