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Properties of substance:

5-[(E)-2-(4-hydroxyphenyl)ethenyl]benzene-1,3-diol

Synonyms:

trans-3,5,4'-trihydroxystilbene
resveratrol

Group of substances:

organic

Physical appearance:

crystals

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

C14H12O3

Structural formula as text:

HOC6H4CH=CHC6H3(OH)2

Molar/atomic mass: 228.2433

Melting point (°C):

261

Decomposition temperature (°C):

261

CAS ¹: 501-36-0

Solubility (g/100 g of solvent):

1-butanol: 1.27 (5°C) [Ref.]
1-butanol: 2.58 (25°C) [Ref.]
1-butanol: 3.8 (45°C) [Ref.]
1-hexanol: 0.9 (5°C) [Ref.]
1-hexanol: 1.69 (25°C) [Ref.]
1-hexanol: 2.44 (45°C) [Ref.]
1-pentanol: 1.04 (5°C) [Ref.]
1-pentanol: 2.43 (25°C) [Ref.]
1-pentanol: 3.76 (45°C) [Ref.]
1-propanol: 2.6 (5°C) [Ref.]
1-propanol: 3.37 (15°C) [Ref.]
1-propanol: 4.34 (25°C) [Ref.]
1-propanol: 4.92 (35°C) [Ref.]
1-propanol: 5.9 (45°C) [Ref.]
2-propanol: 2.02 (5°C) [Ref.]
2-propanol: 3.45 (25°C) [Ref.]
2-propanol: 5.31 (45°C) [Ref.]
PEG-400: 32.51 (room temperature) [Ref.]
acetone: 36.46 (5°C) [Ref.]
acetone: 37.26 (25°C) [Ref.]
acetone: 38.2 (45°C) [Ref.]
corn germ oil: 0.0303 (37°C) [Ref.]
dimethylformamide: 6.9 [Ref.]
dimethylsulfoxide: 5.9 [Ref.]
ethanol abs.: 5.87 (5°C) [Ref.]
ethanol abs.: 6.98 (15°C) [Ref.]
ethanol abs.: 8.52 (25°C) [Ref.]
ethanol abs.: 10.01 (35°C) [Ref.]
ethanol abs.: 11.3 (45°C) [Ref.]
ethyl acetate: 1.62 (5°C) [Ref.]
ethyl acetate: 4.32 (25°C) [Ref.]
ethyl acetate: 6.75 (45°C) [Ref.]
ethyl oleate: 0.0275 (37°C) [Ref.]
glycerol: 0.304 (37°C) [Ref.]
isopropyl myristate: 0.0445 (37°C) [Ref.]
methanol: 7.78 (5°C) [Ref.]
methanol: 8.65 (15°C) [Ref.]
methanol: 9.75 (25°C) [Ref.]
methanol: 10.92 (35°C) [Ref.]
methanol: 12.02 (45°C) [Ref.]
propylene glycol: 5.28 (25°C) [Ref.]
propylene glycol: 5.87 (30°C) [Ref.]
propylene glycol: 6.37 (35°C) [Ref.]
propylene glycol: 7.19 (40°C) [Ref.]
propylene glycol: 8.07 (45°C) [Ref.]
soybean oil: 0.015 (room temperature) [Ref.]
tetrahydrofuran: 36.94 (5°C) [Ref.]
tetrahydrofuran: 38.56 (25°C) [Ref.]
tetrahydrofuran: 40.69 (45°C) [Ref.]
tween-20: 22.58 (37°C) [Ref.]
water: 0.00104 (5°C) [Ref.]
water: 0.00191 (15°C) [Ref.]
water: 0.00388 (25°C) [Ref.]
water: 0.00681 (35°C) [Ref.]
water: 0.0095 (45°C) [Ref.]

Dissociation:

pKa (1) = 8.8 (°C, water)
pKa (2) = 9.8 (°C, water)
pKa (3) = 11.4 (°C, water)

Spectral properties of the substance:

Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 307 (275)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 320 (269)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 218 (214)
Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 227 (148)

References:

  1. Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 524
  2. Dictionary of organic compounds. - Vol.4: Obaculactone-Zymosterol. - New York, 1953. - pp. 320
  3. Drug Development and Industrial Pharmacy. - 2015. - Vol. 41, No. 9. - pp. 1-6 [DOI: 10.3109/03639045.2014.958753]
  4. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 4397

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru