betula oil

[bech-uh-luh]

Phonetic (Standard)IPA

noun

Chemistry.

methyl salicylate.

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Specific gravity at 15° C., 1.180-1.187; optical rotation, Gaultheria oil, up to -1°, Betula oil, inactive; ester as methyl salicylate, at least 98 per cent.; refractive index at 20° C., 1.5354-1.5364; soluble in 2-6 volumes of 70 per cent. alcohol.