Uses of using ethanoic anhydride over ethanoyl chloride as an acylating agent

Question 1

List the advantages of using ethanoic anhydride over ethanoyl chloride as an acylating agent

(4 advantages)

Answer 1

1) Cheaper
2) Less corrosive
3) Does not react with water as readily
4) Safer as the by-product of the reaction is ethanoic acid rather than hydrogen chloride