Abstract: The present invention relates to a solid air freshener comprising the following components: i) a total amount of polyethylene glycols in the range of from 30 to 80 Wt.-%, wherein the weight average molecular weight Mw of the total amount of polyethylene glycols present in the solid air freshener is in the range of from 1000 to 20000 g/mol, the total amount of polyethylene glycols consisting of one, two, or more polyethylene glycol materials, ii) a total amount of surfactants in the range of from 5 to 40 wt.-%, iii) a total amount of perfume in the range of from 5 to 50 wt.-%, wherein the perfume consists of (iii)(a) fragrance material, and optionally (iii)(b) a solvent for the fragrance material, iv) an amount of water in the range of from 0 to 10 wt.-%, wherein any water present in the solid air freshener is exclusively considered as component (iv), and wherein the total amount of components (i), (ii), (iii), and (iv) is at least 95 wt.-%, based on the total weight of the solid air freshener.

Abstract: The present invention relates to an odorant comprising or consisting of (A) at least 75% by weight of acrylic acid methyl ester and/or acrylic acid ethyl ester, (B) 2-19.5% by weight of tetrahydrothiophene (THT), (C) 5-50 ppm of hydroquinone monomethyl ether, and also neither, one or both components selected from the group consisting of (D) 0.025-0.2% by weight of butylhydroxy toluene and/or butyl hydroxyanisole and (E) 5-500 ppm of one or more compounds of formula (I) wherein R is selected from the group consisting of H, —OH, —NH2, —O2CR1 and —NOCR1, wherein R1 represents an alkyl radical containing 1 to 4 carbon atoms, based on the total weight of the odorant.

Abstract: Described is the compound of the Formula