Esters
- Created by: Jasmin
- Created on: 27-04-13 11:10
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- Esters
- Formed from alcohol and carboxylic acids
- Acid catalyst usually used is concentrated sulfuric acid
- Alcohol + carboxylic acid = ester +water
- Water formed in a reversible reaction
- Alcohol + carboxylic acid = ester +water
- Functional group: COO
- Names end in oate
- Smell nice but do not mix with water - sweet, fruity, volatile - ideal for perfumes
- Flammable dangerous
- Dont mix well with water - not nearly as soluble as alcohols/carboxylic acids
- Do not mix well with alchols and other solvents
- Used in flavourings and perfumes
- Inhaling fumes from esters irritates mucus membranes of nose and mouth
- Fumes heavier than air so very flammable
- Some toxic, health problems with synthetic food additives
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