A proprietary substitute for turpentine, used as a solvent, also as a substitute for lamp, motor, and lubricating oils, with a distiilingpoint of iqo degrees C., flashpomt 6o degrees C., and sp. gr. 09. It is prepared by treating naphthaline in a fused state and at a temperature above ioo degrees C. with hydrogen in the presence of a catalyst such as finely divided nickel. It is of aromatic character, with an odour something like fiat of camphor, and can be used as a cleansing fluid for machinery, particularly printing machines, and for removing ?tains from garments. As a solvent, it is stated to be equal to turpentine, and it is somewhat slower in evaporation than that liquid, which is a point in its favour for seme applications.
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