Da Agentz Flashcards
1
Q
Two disadvantages of organic esters (parabens)
A
Partition in oily phase and take long time to work
2
Q
Name the key organic ester and what it’s used as
A
P-hydroxybenzoic acid preservative
3
Q
Name two organic acids and what are they used as
A
Benzoic acid and sorbic acid
PRESERVATIVE
4
Q
What’s aliphatic alcohols used as
A
Antiseptics and disinfectants
5
Q
What are substituted alcohols used as
A
Preservatives
6
Q
What are aromatic alcohols used as
A
Preservative
7
Q
Name one aldehyde used for cold liquid sterilisation at 2%
A
Glutaraldehyde
8
Q
Give two disadvantages of the aldehydes glutaraldehyde and formaldehyde
A
Activity decreased by polymerisation
Toxic
