# 21.107 Ethyl acetate.
(a) *85 percent ester:*
(1) *Acidity (as acetic acid).* Not more than 0.015 percent by weight.
(2) *Color.* Colorless.
(3) *Odor.* Characteristic odor.
(4) *Ester content.* Not less than 85 percent by weight.
(5) *Specific gravity at 20 °/20 °C.* Not less than 0.882.
(6) *Distillation range.* (For applicable ASTM method, see 1980 Annual Book of ASTM Standards, Part 29, page 70, Standard No. D 302-58 (1975); for incorporation by reference, see § 21.6(b).) When 100 mL of ethyl acetate are distilled by this method, none shall distill below 70 °C., not more than 10 mL shall distill below 72 °C., and none above 80 °C.
(b) *100 percent ester:*
(1) *Acidity (as acetic acid).* Not more than 0.010 percent by weight.
(2) *Color.* Colorless.
(3) *Odor.* Characteristic odor.
(4) *Ester content.* Not less than 99 percent by weight.
(5) *Specific gravity at 20 °/20 °C.* Not less than 0.899.
(6) *Distillation range.* (For applicable ASTM method, see 1980 Annual Book of ASTM Standards, Part 29, page 433, Standard No. D 3127-77; for incorporation by reference, see § 21.6(b).) When 100 mL of ethyl acetate are distilled by this method, not more than 2 mL shall distill below 75 °C., and none above 80 °C. (760 mm).
[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]