acetyl

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acetyl

[ə′sēd·əl]
(organic chemistry)
CH3CO‒ A two-carbon organic radical containing a methyl group and a carbonyl group.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Physical constants: Density [d.sup.15]15 0.9090 Temperature of hardening, [degrees]C -18 Factor of refraction [ND.sup.20] 1.479 Chemical constants: Number of saponification mg KOH/g 176 Acetyl number 146 Iodine number, g [J.sub.2]/100 g 82 Radon number 81 Average molecular weight of fat acids 290 Chemical composition (% mass): Stearin acid (together with dioxystearin acid) 3.0 Oleic acid 8.0 Linoleic acid 3.0 Ricinoleic acid 80.0 Castor oil differs from other fats in solubility and some other properties-high density, big viscosity, and high acetylic number.