NAPHTHALINE
\nˈafθəlˌa͡ɪn], \nˈafθəlˌaɪn], \n_ˈa_f_θ_ə_l_ˌaɪ_n]\
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When coal tar is subjected to distillation, naphthaline passes over after coal naphtha. Is is a white shining concrete, crystalino substance, fusible at 176 and boiling at 423 It is soluble in alcohol ether naphtha and the oils, bit insoluble in water. It has been used as an excitant expectorant, in the dose of 8 to 30 grains, in emulsion or syrup amd repeated. It has also been used as an anthelmintic; and when made into an ointment in psoriasis, lepra vulgaris,&c.
By Robley Dunglison
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