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(1R,2R)-(-)-1,2-Diaminocyclohexane

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(1R,2R)-(-)-1,2-Diaminocyclohexane Basic information
(1R,2R)-(-)-1,2-Diaminocyclohexane Chemical Properties
  • Melting point:41-45 °C
  • alpha -24.5 º (c=5 1 N HCl 20 º 26.5 ºC)
  • Boiling point:86-88°C 23mm
  • Density 0.931
  • refractive index -25.5 ° (C=5, 1mol/L HCl)
  • Flash point:169 °F
  • storage temp. 2-8°C
  • pka10.76±0.70(Predicted)
  • form Crystalline Low Melting Solid
  • color White to pale yellow
  • optical activity[α]20/D 25°, c = 5 in 1 M HCl
  • Water Solubility Soluble in water.
  • Sensitive Air Sensitive
  • BRN 4780911
  • InChIKeySSJXIUAHEKJCMH-PHDIDXHHSA-N
  • CAS DataBase Reference20439-47-8(CAS DataBase Reference)
Safety Information
  • Hazard Codes C
  • Risk Statements 34
  • Safety Statements 26-36/37/39-45
  • RIDADR UN 3259 8/PG 2
  • WGK Germany 3
  • 10-34
  • HazardClass 8
  • PackingGroup III
  • HS Code 29213000
MSDS
(1R,2R)-(-)-1,2-Diaminocyclohexane Usage And Synthesis
  • Chemical Propertieswhite to light yellow crystal powder
  • Uses(1R,2R)-(-)-1,2-Diaminocyclohexane can be used as a building block for chiral ligands.
  • Usessuzuki reaction
  • Purification MethodsDistil or recrystallise the diamine from pet ether under N2 or Ar. Store it as above. The 1R,2R-base L-tartrate salt has M 264.3, m 2 7 3o and [ ] D +12.5o (c 4, H2O), and can be used to purfy and/or optically enrich the free base. [Beilstein 13 III 6, and references below.]
(1R,2R)-(-)-1,2-Diaminocyclohexane Preparation Products And Raw materials
(1R,2R)-(-)-1,2-Diaminocyclohexane(20439-47-8)Related Product Information
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