Coal Tar - Law Dictionary Search Results
Home Dictionary Name: coal tarCoal tar
A thick black tarry liquid obtained by the distillation of bituminous coal in the manufacture of illuminating gas used for making printers ink black varnish etc It is a complex mixture from which many substances have been obtained especially hydrocarbons of the benzene or aromatic series...
Paraffin
A white waxy substance resembling spermaceti tasteless and odorless and obtained from coal tar wood tar petroleum etc by distillation It is used in candles as a sealing agent such as in canning of preserves as a waterproofing agent as an illuminant and as a lubricant It is very inert not being acted upon by most of the strong chemical reagents It was formerly regarded as a definite compound but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh gas series hence by extension any substance whether solid liquid or gaseous of the same chemical series thus gasoline coal gas and kerosene consist largely of paraffins...
Cresol
Any one of three metameric substances CH3C6H4OH homologous with and resembling phenol They are obtained from coal tar and wood tar and are colorless oily liquids or solids Called also cresylic acid...
Phlorone
A yellow crystalline substance having a peculiar unpleasant odor resembling the quinones and obtained from beechwood tar and coal tar as also by the oxidation of xylidine called also xyloquinone...
Phenol
A white or pinkish crystalline substance C6H5OH produced by the destructive distillation of many organic bodies as wood coal etc and obtained from the heavy oil from coal tar...
Carbolic
Pertaining to or designating an acid derived from coal tar and other sources as carbolic acid called also phenic acid and phenol1 See Phenol...
Chrysene
One of the higher aromatic hydrocarbons of coal tar allied to naphthalene and anthracene It is a white crystalline substance C18H12 of strong blue fluorescence but generally colored yellow by impurities...
Collidine
One of a class of organic bases C8H11N usually pungent oily liquids belonging to the pyridine series and obtained from bone oil coal tar naphtha and certain alkaloids...
Corallin
A yellow coal tar dyestuff which probably consists chiefly of rosolic acid See Aurin and Rosolic acid under Rosolic...
Coridine
A colorless or yellowish oil C10H15N of a leathery odor occuring in coal tar Dippels oil tobacco smoke etc regarded as an organic base homologous with pyridine Also one of a series of metameric compounds of which coridine is a type...
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