Overview Reviews Product Description Sudan Black B Solution (in Propylene Glycol) | SBG125 | ScyTek Laboratories Product Videos Product Reviews Write a Review Write a Review × Sudan Black B Solution (in Propylene Glycol) | SBG125 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *