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The two crystal forms for racemic menthol have melting points of 28 °C and 38 °C. Pure (−)-menthol has four crystal forms, of which the most stable is the α form, the familiar broad needles. Pure (−)-menthol has four crystal forms, of which the most stable is the α form, the familiar broad needles.
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Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical compound and the simplest aliphatic alcohol, with the chemical formula C H 3 OH (a methyl group linked to a hydroxyl group, often abbreviated as MeOH).
The Gmelin rare earths handbook lists 1522 °C and 1550 °C as two melting points given in the literature, the most recent reference [Handbook on the chemistry and physics of rare earths, vol.12 (1989)] is given with 1529 °C.
Menthone is a liquid under standard conditions, and has a density of 0.895 g/cm 3. [citation needed] Under the same conditions, [verification needed] the melting point is −6 °C, and its boiling point is 207 °C.
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