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  • Product Name:   (1S,2S)-(+)-1,2-Diaminocyclohexane
  • Synonyms:   S-DACH;(+)-(S,S)-1,2-DIAMINOCYCLOHEXANE;(S,S)-(+)-1,2-DIAMINOCYCLOHEXANE;(S,S)-1,2-DIAMINOCYCLOHEXANE;SS-DAC
  • CAS No.:   21436-03-3
  • Molecular Formula:   C6H14N2
  • Molecular Weight :   114.19
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of (1S,2S)-(+)-1,2-Diaminocyclohexane
(1S,2S)-(+)-1,2-Diaminocyclohexane Chemical Properties
Melting point  40-43 °C(lit.)
alpha  25.25 º (589nm, c=5, 1 M HCl)
Boiling point  104-110 °C40 mm Hg(lit.)
density  0.951
refractive index  1.4886
Fp  169 °F
storage temp.  2-8°C
form  Crystals or Powder
color  White to light beige
Water Solubility  soluble
Sensitive  Air Sensitive
BRN  2801645
CAS DataBase Reference 21436-03-3(CAS DataBase Reference)
NIST Chemistry Reference (1S,2S)-(+)-1,2-Diaminocyclohexane(21436-03-3)
Safety Information
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 3259 8/PG 3
WGK Germany  3
F  10-34
HazardClass  8
PackingGroup  III
(1S,2S)-(+)-1,2-Diaminocyclohexane Usage And Synthesis
Chemical Properties white to light yellow crystal powder
Uses suzuki reaction
Purification Methods Distil or recrystallise the diamine from pet ether under N2 or Ar. Store it as above. The 1S,2S-base D-tartrate salt has M 264.3, m 180 -1 8 4o(dec) and [] 25 -12.5o (c 4, H2O) from which the free base can be purified or optically enriched. It is a useful chiral synthon. [Fjii et al. J Chem Soc, Chem Commun 45 1985, Takahashi et al. Tetrahedron Lett 30 7095 1989, Hanassian et al. J Org Chem 58 1991 1993, Beilstein 13 III 7.]
(1S,2S)-(+)-1,2-Diaminocyclohexane Preparation Products And Raw materials
Raw materials Acetic acid glacial-->L(+)-Tartaric acid-->3-Methylbenzoyl chloride-->(+/-)-trans-1,2-Diaminocyclohexane
Preparation Products dibuty cebacate with ferric chloride

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