A new antiseptic. Creolin consists of a mixture of the sodium salts of some resinous acids with creolin oil and pyridines. It is made from pit-coal by distillation, and is a brownish-black syrup, insoluble in water. It quickly forms with it a brownish or milky emulsion; mixes with oil and glycerine, and is soluble in absolute alcohol, chloroform, and ether. It is said to be a more powerful germicide than carbolic acid.

Therapeutics. In wounds, etc, it is deodorant, and promotes granulation. Applied as a lotion of 2 parts to 100 parts of water, or a 5 per cent, ointment with Lanoline. "Internally, dose is 5 drops in typhoid fever, putrid dyspepsia, and catarrh of bladder." - Brit. Med. Jour., 7-11-89.