What is c3h4?

C3H4 is the chemical formula for allene, which is a hydrocarbon compound consisting of two cumulated double bonds between two carbon atoms. It is a colorless gas that is slightly soluble in water and has a boiling point of -11 °C. Allene is commonly used in organic synthesis as a building block for various chemical reactions.

Allene is also found in natural products such as garlic and mustard oils, and it is produced as a byproduct of certain industrial processes. Due to its unique structure and reactivity, allene is used in the production of various organic compounds, pharmaceuticals, and plastics.