ORDORANT GAS Russian patent published in 2009 - IPC C10L3/00 C10J1/28 

FIELD: chemistry.

SUBSTANCE: present invention relates to use of cycloalkynes C7-C9 as ordorant gas, to a gas ordorising method and to a fuel gas which contains this ordorant. The invention relates to use of cycloalkynes of formula (I) as ordorant fuel gas, where n equals 1, 2 or 3, and up to 2 hydrogen atoms substituted for methyl groups. The invention also relates to a method of ordorising fuel gas, involving addition into the fuel gas of an effective amount of at least one cycloalkyne described above. The invention also relates to a method of ordorising fuel gas, involving addition into the fuel gas of an effective amount of ordorant gas, where the ordorant gas contains: a) from 5 to 100 wt %, preferably at least 10 wt %, of at least one cycloalkyne of formula (I); b) up to 95 wt % of at least one alkyne of formula (II); c) up to 10 wt % pyrazine; d) up to 60 wt % sulphur-containing compound.

EFFECT: invention allows for obtaining ordorant with a smell related to the smell of existing ordorants, and which is stable during storage and transportation.

7 cl, 2 ex, 2 tbl