§ 21.118 - Methyl n-butyl ketone.  


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  • § 21.118 Methyl n-butyl ketone.

    (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]