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CAS No 147-71-7 , D-Tartaric acid

  • Name: D-Tartaric acid
  • Synonyms: Unnatural tartaric acid;(2S,3S)-(-)-Tartaric acid; (2S,3S)-D-(-)-tartaric acid;D(-)-Dihydroxysuccinic acid; D-Tartaric acid; D(-)-Threaric acid; D(-)-Dihydroxysuccinic acid; D(-)Tartaric acid; D-tartatic acid; D-2,3-Dihydroxysuccinic acid;D-Tartaric acid; D-(-)-Tartaric acid;
  • CAS Registry Number:
  • Melting Point: 166-170 ºC
  • Flash Point: 210 ºC
  • Boiling Point: 399.3°Cat760mmHg
  • Density: 1.76
  • Refractive index: -12.5 ° (C=5, H2O)
  • Alpha: -12.1 º (C=20, H2O)
  • Water Solubility: 1394 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29181200
  • Flash Point: 210 ºC
  • EINECS: 205-695-6
  • Molecular Weight: 150.09
  • InChI: InChI=1/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C4H6O6
  • Molecular Structure:CAS No:147-71-7 D-Tartaric acid

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References of D-Tartaric acid
Title: D-Tartaric Acid
CAS Registry Number: 147-71-7
CAS Name: (2S,3S)-2,3-Dihydroxybutanedioic acid
Synonyms: unusual tartaric acid; unnatural tartaric acid; l-tartaric acid; (-)-tartaric acid; levotartaric acid; D-threo-2,3-dihydroxysuccinic acid
Molecular Formula: C4H6O6
Molecular Weight: 150.09
Percent Composition: C 32.01%, H 4.03%, O 63.96%
Literature References: Levorotatory tartaric acid having a dextro configuration. Although termed "unnatural," its occurrence in nature has been demonstrated. Obtained in small amounts from racemic tartaric acid through biochemical cleavage using Penicillium notatum, Aspergillus griseus, A. niger or other microorganisms: Pasteur, Compt. Rend. 51, 298 (1860). Alternate route using salt formation with d-methylamphetamine: Walton, J. Soc. Chem. Ind. 64, 219 (1945). Monograph: K. Freudenberg, Stereochemie I, (1933), reprinted by J. W. Edwards (Ann Arbor, 1945). Crystallographic data: A. N. Winchell, The Optical Properties of Organic Compounds (Academic Press, New York, 2nd ed., 1954) p 47.
Properties: Monoclinic sphenoidal prisms. d420 1.7598. mp 168-170°. [a]D20 -12.0° (c = 20 in H2O). pKa1 2.93; pKa2 4.23. One gram dissolves in 0.75 ml water at room temp, in 0.5 ml boiling water, 1.7 ml methanol, 3 ml ethanol, 0.5 ml propanol, 250 ml ether. Also sol in glycerol. Insol in chloroform. Maximum soly in water at 20°: 139 g/100 ml.
Melting point: mp 168-170°
pKa: pKa1 2.93; pKa2 4.23
Optical Rotation: [a]D20 -12.0° (c = 20 in H2O)
Density: d420 1.7598