§ 21.118. Methyl n-butyl ketone.
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/us/cfr/t27/s§ 21.118·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Acidity (as acetic acid). 0.02 percent by weight, maximum.
(b)Color. Colorless.
(c)Odor. Characteristic odor.
(d)Refractive index at 20 °C. 1.396 to 1.404.
(e)Specific gravity at 20 °/20 °C. 0.800 to 0.835.
(f)Distillation range. No distillate should come over below 123 °C. and none above 129 °C. \[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001\]