FIELD: chemistry.;SUBSTANCE: present invention relates to use of alkoxyalkynes of formula (I) , as gas odourant, where in the formula R1 is a methoxy- or ethoxy group, R2 is hydrogen or methyl group. The invention also relates to a method of odourising gas using said odourant and fuel gas which contains said odourant.;EFFECT: possibility of obtaining odourant which does not contain sulphur, is stable during storage and transportation and has a smell similar to smell of existing gas odourants.;7 cl, 2 ex, 2 tbl
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