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Properties of substance:

D-tryptophan



skc-file

Group of substances:

organic

Physical appearance:

colorless crystals

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

C11H12N2O2

Molar/atomic mass: 204.22

Melting point (°C):

281

Solubility (g/100 g of solvent):

1-butanol: 0.0054 (10°C) [Ref.]
1-butanol: 0.0082 (20°C) [Ref.]
1-butanol: 0.013 (30°C) [Ref.]
1-butanol: 0.022 (40°C) [Ref.]
1-butanol: 0.033 (50°C) [Ref.]
1-butanol: 0.038 (55°C) [Ref.]
1-octanol: 0.0021 (10°C) [Ref.]
1-octanol: 0.0029 (20°C) [Ref.]
1-octanol: 0.0044 (30°C) [Ref.]
1-octanol: 0.0063 (40°C) [Ref.]
1-octanol: 0.0092 (50°C) [Ref.]
1-octanol: 0.0102 (55°C) [Ref.]
1-propanol: 0.015 (10°C) [Ref.]
1-propanol: 0.021 (15°C) [Ref.]
1-propanol: 0.025 (20°C) [Ref.]
1-propanol: 0.0295 (25°C) [Ref.]
1-propanol: 0.038 (30°C) [Ref.]
1-propanol: 0.043 (35°C) [Ref.]
1-propanol: 0.083 (55°C) [Ref.]
acetonitrile: 0.029 (10°C) [Ref.]
acetonitrile: 0.04 (20°C) [Ref.]
acetonitrile: 0.063 (30°C) [Ref.]
acetonitrile: 0.102 (40°C) [Ref.]
acetonitrile: 0.153 (50°C) [Ref.]
acetonitrile: 0.185 (55°C) [Ref.]
dimethylsulfoxide: 0.941 (20°C) [Ref.]
dimethylsulfoxide: 1.22 (30°C) [Ref.]
dimethylsulfoxide: 1.57 (40°C) [Ref.]
dimethylsulfoxide: 2.4 (55°C) [Ref.]
ethyl acetate: 0.055 (10°C) [Ref.]
ethyl acetate: 0.087 (20°C) [Ref.]
ethyl acetate: 0.126 (30°C) [Ref.]
ethyl acetate: 0.194 (40°C) [Ref.]
ethyl acetate: 0.327 (50°C) [Ref.]
ethyl acetate: 0.418 (55°C) [Ref.]
ethylene glycol : 0.487 (10°C) [Ref.]
ethylene glycol : 0.812 (20°C) [Ref.]
ethylene glycol : 1.44 (30°C) [Ref.]
ethylene glycol : 2.67 (40°C) [Ref.]
ethylene glycol : 4.16 (50°C) [Ref.]
ethylene glycol : 5.37 (55°C) [Ref.]

Numerical data:

Sweetness potency сompared with a 2% (w/v) aqueous solution of sucrose: 25-50

References:

  1. Крутошикова А., Угер М. Природные и синтетические сладкие вещества. - М.: Мир, 1988. - pp. 16, 108 [Russian]
  2. Природа. - 1992. - №11. - pp. 71 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 184 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1014-1015 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru