Which of the following groups of organic compounds are least likely to be used in making of perfumes?

Carboxylic Acids

• Carboxylic acids and their derivatives are used in the production of polymers, biopolymers, coatings, adhesives, and pharmaceutical drugs.
• They also can be used as solvents, food additives, antimicrobials, and flavourings.
• These groups of organic compounds are least likely to be used in making perfumes. Esters derived from carboxylic acids are the most common.

Aldehydes

• Aldehydes and perfumery are bonded symbiotically and there is hardly a fragrance in the world that exists without them.
• These organic compounds are present in many natural materials, such as rose, vanilla orange rind, pine essence, citronella and cinnamon essential oils, and are the reason they are such pleasant smells.

Esters

• Ester, is any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids.
• Esters that have fragrant odours are used as a constituent of perfumes, essential oils, food flavourings, cosmetics, etc.

Alcohols

• Perfumers Alcohol is a special formulation that can be used by both professionals and amateurs who wish to make perfumes.
• It allows the simple addition and blending of essential oils and fragrances to produce crystal clear solutions.
• The 3 main ingredients of perfumers alcohol are Ethanol, Isopropyl myristate, and Monopropylene glycol.