ChemicalBook >?? ???? >KO??
KO??
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KO?? ??
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- 325°C (rough estimate)
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- 515.4±50.0 °C(Predicted)
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- D20.5 -65.0° (1.0N HCl); D25 -47.5° (c = 2 in 1.0N HCl)
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- 1.4799 (rough estimate)
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- -65 ° (C=1, 1mol/L HCl)
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- 2-8°C
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- DMSO:0.1(Max Conc. mg/mL);0.39(Max Conc. mM)
Water:25.0(Max Conc. mg/mL);98.3(Max Conc. mM)
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- ?? ?? (pKa)
- pK1:2.200(+1);pK2:8.16(0) (25°C)
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- White to off-white
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- 5g/L(100℃)
- Merck
- 14,3387
- CAS ??????
- 498-59-9(CAS DataBase Reference)
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- ?? ? ???? ?? (GHS)
HS ?? | 2930909899 |
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KO?? C??? ??, ??, ??
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ChEBI: A dithioacetal consisting of two molecules of L-cysteine joined via their sulfanyl groups to methylene.Purification Methods
Crystallise djenkolic acid from a large volume of water (solubility is 0.5g%). [du Vigneaud & Patterson J Biol Chem 114 533 1936, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 pp 2682, 2687 1961, Beilstein 4 III 1591.] The N,N’-dibenzoyl derivative crystallises with 1H2O from aqueous EtOH with m 87.5-89o [Beilstein 9 III 1171.]KO?? ?? ?? ? ???
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