Camfar, whose IUPAC name is 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, is a terpenoid organic compound with a chemical formula of C10H16O. It is a white or transparent waxy solid at room temperature and can be used to repel insects. Camfar is extracted from the trunk of camfar tree. The older the camfar tree, the more camfar is in it. The extraction method is to cut the tree trunk into small pieces and distill it with water. After the camfar oil is heated, it rises with water vapor, and it can form camfar when it comes into contact with the pottery jar placed above to cool it. In the early days of northern Taiwan, the mountain forests were mostly primitive camfar forests, and many old camfarbhí crainn níos mó ná míle bliain d’aois. Níos déanaí, ghearr rialtas na Seapáine cuid mhór decamfar for export in Taiwan. Therefore, Taiwan's camfar export once reached the first place in the world. Most of the mothballs used in the world are synthesized chemically.This substance may be harmful to the environment, and special attention should be paid to water bodies.Store in a sealed, ventilated, dry place, avoid contact with other oxides.
