Family Life What is in Cantron? What is in Cantron? The U.S. Food and Drug Administration (FDA) has listed the ingredients of Cancell as the chemicals inositol, nitric acid, sodium sulfite, potassium hydroxide, sulfuric acid, and catechol (see Question 3).7 ene 2015 Related Posts:Is H2SO3 acidic or neutral in the water?Is Hummus healthy? Top 8 Benefits of Hummus, Classic: calories, nutrition analysis, and moreWhat is the density of 70% nitric acid?What is sodium hydroxide mainly used for?