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CAS No 20246-33-7 , D-Gulonic acid

  • Name: D-Gulonic acid
  • Synonyms: D-Gulonic acid;Gulonicacid, D- (8CI);
  • CAS Registry Number:
  • Flash Point: 375.2°C
  • Boiling Point: 673.6°Cat760mmHg
  • Density: 1.763g/cm3
  • Flash Point: 375.2°C
  • Molecular Weight: 0
  • InChI: InChI=1S/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/t2-,3+,4-,5-/m1/s1
  • Molecular Formula: C6H12 O7
  • Molecular Structure:CAS No:20246-33-7 D-Gulonic acid

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References of D-Gulonic acid
Title: D-Gulonic Acid
CAS Registry Number: 20246-33-7
Molecular Formula: C6H12O7
Molecular Weight: 196.16
Percent Composition: C 36.74%, H 6.17%, O 57.09%
Literature References: Prepd as the sodium salt by reduction of sodium glucuronate with sodium amalgam in alkaline medium: Fischer, Piloty, Ber. 24, 525 (1891); from D-gulonic acid g-lactone: Rehorst, Naumann, ibid. 77, 24 (1944).
Properties: [a]D20 -6° (10 min) ? -38.6° (15 days). The free acid forms the lactone spontaneously. pK (25°): 3.68.
pKa: pK (25°): 3.68
Optical Rotation: [a]D20 -6° (10 min) ? -38.6° (15 days)
 
Derivative Type: Sodium salt
Molecular Formula: C6H11NaO7
Molecular Weight: 218.14
Percent Composition: C 33.04%, H 5.08%, Na 10.54%, O 51.34%
Properties: Crystals. [a]D20 +11.5°. Sol in water.
Optical Rotation: [a]D20 +11.5°
 
Derivative Type: Calcium salt
Molecular Formula: Ca(C6H11O7)2
Molecular Weight: 430.37
Percent Composition: Ca 9.31%, C 33.49%, H 5.15%, O 52.05%
Properties: [a]D21 -14.45° (c = 1.73). Precipitated from aq soln by alc.
Optical Rotation: [a]D21 -14.45° (c = 1.73)