| Title:  Galactitol CAS Registry Number:  608-66-2 Additional Names:  Dulcitol;  dulcite;  dulcose;  euonymit;  melampyrite;  melampyrum;  melampyrin Molecular Formula:  C6H14O6 Molecular Weight:  182.17 Percent Composition:  C 39.56%, H 7.75%, O 52.70% Literature References:  Found in dulcite or Madagascar manna (Melampyrum nemorosum L.) and in other species of Melampyrum, Scrophulariaceae, and Evonymus atropurpureus Jacq., Celastraceae.  Isoln:  Hünefeld, Ann. 24, 241 (1837); Bouchardat, Ann. Chim. Phys. 27, 68 (1872); Fischer, Hertz, Ber. 25, 1261 (1892); Rogerson, J. Chem. Soc. 101, 1040 (1912).  Prepn by catalytic isomerization of D-glucitol:  Wright, Hartmann, J. Org. Chem. 26, 1588 (1961).  Synthesis:  Lespieau, Bull. Soc. Chim. Fr. [5] 1, 1374 (1934); Delepine, Horeau, ibid. 4, 1524 (1937); Wiemann, Gordon, ibid. 1958, 433.  Structure:  R. L. Lohmar "The Polyols" in W. Pigman, The Carbohydrates (Academic Press, New York, 1957) p 247. Properties:  Crystals from methanol + water, mp 188-189°.  Slightly sweet taste.  d20 1.47.  bp1 275-280°.  One gram dissolves in 30 ml water, in 2 ml boiling water.  Slightly sol in alc.  Ka at 18° = 3.5´10-14. Melting point:  mp 188-189° Boiling point:  bp1 275-280° Density:  d20 1.47   Derivative Type:  Hexa-O-acetylgalactitol  Molecular Formula:  C18H26O12 Molecular Weight:  434.39 Percent Composition:  C 49.77%, H 6.03%, O 44.20% Properties:  Crystals from ethanol, mp 168-169°. Melting point:  mp 168-169°   Derivative Type:  Hexanitrate  Additional Names:  Nitrodulcitol Properties:  mp 94-95°.  Has explosive properties:  Taylor, Rinkenbach, J. Franklin Inst. 204, 374 (1927). Melting point:  mp 94-95°   |