Propylene is a light hydrocarbon gas with a faint, slightly sweet petroleum-like odor. It is not used as a fragrance ingredient in standard perfumery — it flashes off almost immediately and has minimal olfactory presence beyond a mild gassy note.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1182.
The material itself is practically odorless and tasteless, although certain grades have a faintly salty taste in high concentration.
The material itself is practically odorless.
This material is used at the rate of 1000 to 50000 ppm in ice cream, condiments, icings, dressings etc.
Produced from propane (obtained in petroleum cracking) via propylene, with steam and chlorine to propylene chlorohydrin, which is saponified with soda to propylene glycol.