Perfumes Flashcards
0
Q
How can you make an ester?
Esterfication
A
Heating carboxylic acid with an alcohol
Acid catalyst usually used
1
Q
What is the name of the thing that makes perfumes smell?
A
Ester
Can be natural or synthetic
2
Q
What is the equation for esterfication?
A
Acid + water = ester + water
3
Q
Name the 5 properties perfumes need
A
1 easily evaporates - for particles to reach your nose
2 non toxic
3 doesn’t react with water - would react with sweat
4 non-irritant
5 insoluble in water - not easily wash off
4
Q
Give pro’s and con’s of testing cosmetics on animals
A
Pro
Check no damage to humans
Con
Causes suffering to animal + not always conclusive
Now banned in EU
