PTC Taste Test Paper is perfectly safe to use. Any possible toxicity of PTC would be in grams per kilogram of body weight, which is millions of times greater than anything which would be found in our taste test strips. Phenylthiocarbamide (PTC) is present at only 20 micrograms per strip.
What is phenylthiocarbamide used for?
NamesPreferred IUPAC name PhenylthioureaOther names N-Phenylthiourea 1-PhenylthioureaIdentifiersCAS Number103-85-5
Could it be harmful to not be able to taste PTC?
Today, the ability to taste, or not taste, the compound influences what people eat and even whether they smoke cigarettes. People who can taste PTC are less likely to eat cruciferous vegetables such as broccoli, according to Wooding, which could be a problem because these vegetables contain important nutrients.