Molecular Formula C7H8O, molecular weight 108.13. Also known as a phenol. Cresol is usually three isomers of mixture. Huang was colorless or brown liquid. A large number of water-soluble and insoluble in alcohol, ether, benzene, petroleum ether and glycerol. Extracted from coal tar. A structure between SR-phenol. Yes cresol three isomers of the contents of the greatest. A colorless liquid. Melting point 11 ~ 12 ° C, the boiling point of 202 ° C, the density (20 / 4 ° C) 1.034g/cm3. 40 times more soluble in water, with ethanol, ethyl ether, chloroform immiscibility. Mainly for disinfectants, fumigants and photography images. Also for the resin system and spices. O-phenol is the second cresol isomers. Fusible crystallization temperature 30 ° C, the boiling point of 191 ~ 192 ° C, the density (20 / 4 ° C) 1.047g/cm3. 40 times more soluble in water, with alcohol, ether and chloroform immiscibility. Used primarily as solvents, disinfectants, and the production of resin materials. A pair of phenol is the third cresol isomers. Simple structure. Crystal. 35.5 ° C melting point, boiling point, 201.8 ° C. Density (20 / 4 ° C) 1.0341g/cm3. With the steam can be volatile. And used in the production of resins used as plasticizers.
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