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High boiling point, low cost, no hydrolitic reaction, and good stability during storage, mafke Methyl Isobutyl Ketone a desirable solvent for cellulose esters and vinyl resins.
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Molecmlzr Weight 1 0 C / 6 SPECIFICATIONS Minimum 9 9 % methyl isobutyl ketone by weight
Purity .
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M I B K is used extensively . in nitrocellulose lacquers for a u t o m o b i l e finishes and other lacquer applications including emulsion and hot spray types.
Specific Gravity 20°/20° C
0.800 to 0.804
Color
M a x i m u m 15 platinum cobalt ( H a z e n ) standard
Water . . . .
Miscible without turbidity with 19 volumes of 60° B é . gasoline a t 20° C.
Acidity (other t h a n carbon dioxide) .
M a x i m u m 0 . 0 1 % calculated as acetic acid
Distillation R a n g e . . . Below 114° C. None (A.S.T.M. D 2 6 8 / 3 3 ) . . Above 117° C. None Weight 6.68 lbs. per gallon at 20° C. (approx.)
With vinyl resins, M I B K is used to formulate lacquer emulsions for papercoatings, textiles, and leathers.
PHYSICAL PROPERTIES Several of the physical properties of methyl isobutyl ketone a r e given in the following t a b l e : Specific Gravity a t 20°/4° C Boiling Point a t 760 mm.
M I B K ' s solvent properties are particularly useful in the manufacture of shoe cements . . . as an extractive agent in the manufacture of drugs — penicillin, tannic acid, etc.
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Flash Point, T a g Open Cup T a g Closed Cup
64° F .
Vapor Pressure at 20° C
15.2 m m . H g .
30° C
26.2
"
40° C
43.5
"
Coefficient of Bxpansion
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VOLUME
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