Title: Sucrose Octaacetate

CAS Registry Number: 126-14-7

Molecular Formula: C28H38O19

Molecular Weight: 678.59

Percent Composition: C 49.56%, H 5.64%, O 44.80%

Literature References: Prepn from sucrose: Linstead et al., J. Am. Chem. Soc. 62, 3260 (1940). Synthesis: Lemieux, Huber, ibid. 78, 4117 (1956).

Properties: Hygroscopic, intensely bitter needles from alcohol, mp 89°; dec above 285°; bp1 260°. [a]D25.4 +58.5° (c = 2.56 in abs alcohol). nD 1.4660. Sol in 1100 parts water, 1.1 parts acetal, 0.7 part glacial acetic acid, 0.3 part acetone, 11 parts alcohol, 0.6 part benzene, 22 parts carbon tetrachloride, about 0.5 part methyl acetate, 7 parts paraldehyde, about 0.5 part toluene.

Melting point: mp 89°

Boiling point: bp1 260°

Optical Rotation: [a]D25.4 +58.5° (c = 2.56 in abs alcohol)

Index of refraction: nD 1.4660

Use: Adhesive; impregnating and insulating papers; in lacquers and plastics; as a denaturant for alcohol.