Page 136 - Encyclopedia of Chemical Compounds 3 Vols

O

C CH 2 CH 2 CH 3
H C O CH 2 CH 2
3

OTHER NAMES:
Pentyl acetate; acetic
acid, amyl ester
FORMULA:
Amyl Acetate
CH 3 COOC 5 H 11
ELEMENTS:
Carbon, hydrogen,
oxygen
OVERVIEW
COMPOUND TYPE: KE
Ester (organic) Amyl acetate (A-mil AS-uh-tate) is a colorless liquid with
STATE: Y a distinctive banana-like flavor and odor. Three major iso-
Liquid F mers of amyl acetate exist: normal (n-amyl), secondary (sec-
amyl), and isoamyl (3-methyl-1-butyl) acetate. Isomers are two
MOLECULAR WEIGHT: A
or more forms of a chemical compound with the same mole-
130.18 g/mol C
cular formula, but different structural formulas and different
MELTING POINT: T chemical and physical properties. As an example, the boiling

70.8 C( 95.4 F) S
points of the three isomers of amyl acetate are 149.2 C

BOILING POINT: (300.6 F), 142.0 C (287.6 F), and 140.0 C (284.0 F), respec-

149.2 C (300.6 F) tively. Although the amyl acetates are probably best known
as flavoring agents because of their distinctive banana-like
SOLUBILITY:
flavor, they all have a number of interesting industrial appli-
Slightly soluble in
water; soluble in cations also.
alcohol, ether, and
most organic solvents
HOW IT IS MADE
The amyl acetates are made industrially in essentially the
same way they are made in a high school or college chemistry
CHEMICAL COMPOUNDS 85