Keywords: Patent Blue V zwitterion ball.png Ball-and-stick model of the Patent Blue V molecule a food coloring also known as Sulphan Blue and E131 This image shows it as a zwitterion C H O N S 2012-07-21 own DS Visualizer Jynto more from this user Cationic form ball-and-stick version Cationic form space-filling version Zwitterionic form space-filling version Anionic form ball-and-stick version Anionic form space-filling version cc-zero Images by Jynto Triarylmethane dyes Food colorings Phenolsulfonic acids Anilines Zwitterions Ball-and-stick models |