Ο
ACETONE Ό
( DIMETHYL KETONE) Molded containers for hot food, medicines, etc. which, can be dropped b y parachute are being made for the Army. Ace tone i s used in making both the containers and the rayon of the para chutes.
Molded hulls for small boats promise yachts men cheaper construc tion after the war. Acetone is used in the laminating process.
AA
5£.0$Γ
SPECIFICATIONS Purity . . . Minimum 99% acetone by weight Specific Gravity 20°/20° C 0.791 to 0.793 Color Maximum 5 platinum cobalt (Hazen) standard Acidity (other than carbon dioxide) . Maximum 0.002% calculated as acetic acid Distillation Range . . . Below 55.8° C. None (A.S.T.M. D268/33) Above 56.6° C. None Non-Volatile Matter . Maximum 1 mg. per 100 ml. Water Solubility . . Completely miscible with distilled water Permanganate Test . Pink color of 1 ml. of 0.1% Κ Μ η θ 4 in 100 ml. acetone retained at least 30 minutes at 25° C. in the dark Weight 6.59 lbs. per gal. at 20° C. (approx.)
PHYSICAL PROPERTIES
Acetone is used as a solvent to enable the safe storage of acety lene in cylinders un der pressure.
As an extraction agent, a precipitant, and in other ways, Acetone has proved superior in the manufacture and the synthesis of phar maceuticals. Have you a process where Acetone might solve a problem.?
MARCH
Several of the physical properties given in the following table: Specific Gravity at 20°/4° C Boiling Point at 760 mm Melting Point Flash Point, Tag Open Cup . . Tag Closed Cup . . Vapor Pressure at 0° C. . . . 10° C. . . . 20° C. . . . 30° C. . . . Specific Heat Latent Heat of Vaporization . .
of acetone are
0.7898 56.1° C. - 9 5 . 0 ° C. Below - 4 ° F . Below - 4 ° F. 70.3 mm. Hg. 116.8 " 186.2 " 286.4 " 0.51 (16° C.) 122.1 gm. cal. per gm. Refractive Index, N^J 1.3584 Coefficient of Expansion . . . 0.000790 per oF. Explosive Limits «I Vapors with Air Upper 12.95% acetone Lower 2.89% Miscibility . . . . Completely miscible with water, ethyl alcohol, gasoline, benzol, kerosene and other organic liquids. Solvent Properties . Excellent solvent for animal and vegetable oils and for fats, gums, natural and syn thetic resins, cellulose ace tate, nitrocellulose and other cellulose derivatives.
For further properties and uses communi cate with either of the addresses below.
SHELL UNION OIL CORPORATION
SHELL CHEMICAL V O L U M E 23, N O . 5 » » .
Molecular ΙΑ/eiqkt
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10, 1 9 4 5
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