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Properties of substance:

methyl abietate

Synonyms:

abalyn

Group of substances:

organic

Physical appearance:

pale yellow leaflets crystals

Empirical formula (Hill's system for organic substances):

C21H32O2

Molar/atomic mass: 316.478

Melting point (°C):

360-365

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
ethanol: soluble [Ref.]
water: insoluble [Ref.]

Density:

1.0476 (20°C, g/cm3)

Refractive index (nD):

1.5325 (20°C)

Vapour pressure (Torr):

6 (210°C)

Spectral properties of the substance:

Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 241 (726)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 233 (71)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 220 (688)

References:

  1. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 3
  2. Комшилов Н.Ф. Канифоль, ее состав и строение смоляных кислот. - М.: Лесная промышленность, 1965. - pp. 84 [Russian]
  3. Справочник лесохимика. - М.: Лесная промышленность, 1987. - pp. 8-9 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru