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CAS No 2306-22-1 , (+/-)-citramalic acid dipotassium salt

  • Name: (+/-)-citramalic acid dipotassium salt
  • Synonyms: 2-hydroxy-2-methylbutanedioic acid;()-Potassium citramalate;(+/-)-citramalic acid dipotassium salt;
  • CAS Registry Number:
  • Flash Point: 146.6°C
  • Boiling Point: 295.2°C at 760 mmHg
  • Density: 1.513g/cm3
  • Refractive index: 1.521
  • Flash Point: 146.6°C
  • EINECS: 209-901-5
  • Molecular Weight: 148.114
  • InChI: InChI=1/C5H8O5/c1-5(10,4(8)9)2-3(6)7/h10H,2H2,1H3,(H,6,7)(H,8,9)
  • Molecular Formula: C5H8O5
  • Molecular Structure:CAS No:2306-22-1 (+/-)-citramalic acid dipotassium salt

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2306-22-1 CITRAMALIC ACID

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2306-22-1 CITRAMALIC ACID

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References of (+/-)-citramalic acid dipotassium salt
Title: Citramalic Acid
CAS Registry Number: 2306-22-1
CAS Name: 2-Hydroxy-2-methylbutanedioic acid
Synonyms: 2-methylmalic acid; 2-hydroxy-2-methylsuccinic acid; a-hydroxypyrotartaric acid
Molecular Formula: C5H8O5
Molecular Weight: 148.11
Percent Composition: C 40.55%, H 5.44%, O 54.01%
Literature References: Enzymatic synthesis: Barker, Blair, Biochem. Prep. 9, 21 (1962). Chemical synthesis: Barker, ibid. 25; J. B. Wilkes, R. G. Wall, J. Org. Chem. 45, 247 (1980). Stereoselective synthesis: E. G. J. Staring et al., Rec. Trav. Chim. 105, 374 (1986).
 
Derivative Type: dl-Form
Properties: Deliquescent monoclinic prisms from ethyl acetate + petr ether, mp 117°. Sublimes. Freely sol in water, acetone. Sol in ethyl acetate, ether. Practically insol in petr ether, benzene.
Melting point: mp 117°
 
Derivative Type: d-Form
Properties: Crystals, mp 112.2-112.8°. [a]D22 +23.6° (c = 3 in H2O).
Melting point: mp 112.2-112.8°
Optical Rotation: [a]D22 +23.6° (c = 3 in H2O)
 
Derivative Type: l-Form
Properties: Crystals, mp 112-113°. [a]D20 -23.4° (c = 3 in H2O).
Melting point: mp 112-113°
Optical Rotation: [a]D20 -23.4° (c = 3 in H2O)