Fragrance composition
Suggested is fragrance composition comprising or consisting of a selection of specific nitriles showing improved stability against decomposition and discoloration.
1 . A fragrance composition comprising at least one nitrile of formula (I),
R—CN (I),
in which R represents
(i) a substituted phenyl radical;
(ii) an optionally substituted norbornyl radical;
(iii) an optionally substituted cyclopent(en)yl radical; and/or
(iv) a —(CH 2 ) n —CH═CH 2 radical, wherein n represents an integer of from 1 to 20; and
the nitriles forming group (i) are selected from the group consisting of
2,3-dimethylbenzonitrile,
2,4,5-trimethylbenzonitrile,
4-ethylbenzonitrile,
4-propylbenzonitrile,
4-phenylbenzonitrile,
and mixtures thereof.
2 . The composition of claim 1 , wherein the nitrile of formula (I) is 3,3-dimethylnorbornane-2-carbonitrile.
3 . The composition of claim 1 , wherein the nitrile of formula (I) is 2-[3-(methoxymethyl)-2-2-dimethyl-cyclopent-3-en-1-yl]acetonitrile.
4 . The composition of claim 1 , wherein the nitrile of formula (I) is tridec-12-enenitrile.
5 . The composition of claim 1 , further comprising at least one secondary fragrance different from the fragrance of formula (I).
6 . The composition of claim 5 , wherein said at least one further secondary fragrance is selected from the group consisting of fragrances with woods, amber, fruity, musk odors, and mixtures thereof.
7 . The composition of claim 6 , which is a perfume oil comprising the nitrile of formula (I) in an amount of from about 0.01 to about 0.1 wt.-percent.
8 . The composition of claim 1 , further comprising a solvent.
9 . The composition of claim 8 , wherein said solvent is selected from the group consisting of benzyl alcohol, benzyl benzoate, diethyl phthalate, dipropylene glycol, ethyl alcohol, iso-propyl myristate, triethylcitrate, downol DPM, IsoPar L, triacetine, and mixtures thereof.
10 . A fragrance formulation comprising
(a) at least one fragrance of claim 1 , and
(b) ethyl alcohol and/or triethyl citrate.
11 . A cosmetic or personal care composition comprising the fragrance composition of claim 1 .
12 . A detergent composition comprising the fragrance composition of claim 1 .
13 . A capsule comprising the fragrance composition of claim 1 .
14 . A method for obtaining a cosmetic, personal care or detergent composition with improved stability against discoloration, comprising the following steps:
(i) providing a cosmetic, personal care or detergent composition; and
(ii) adding the fragrance composition of claim 1 .
15 . A cosmetic or personal care composition comprising the fragrance formulation of claim 10 .
16 . A detergent composition comprising the fragrance formulation of claim 10 .
17 . A capsule comprising the fragrance formulation of claim 10 .
18 . A method for obtaining a cosmetic, personal care or detergent composition with improved stability against discoloration, comprising the following steps:
(i) providing a cosmetic, personal care or detergent composition; and
(ii) adding the fragrance formulation of claim 10 .