(1R,2R)-(-)-1,2-Diaminocyclohexane
Synonym(s):(1R)-trans-1,2-Cyclohexanediamine
- CAS NO.：20439-47-8
- Empirical Formula: C6H14N2
- Molecular Weight: 114.19
- MDL number: MFCD00062985
- EINECS: 606-556-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-04 14:24:59
What is (1R,2R)-(-)-1,2-Diaminocyclohexane?
Chemical properties
white to light yellow crystal powder
The Uses of (1R,2R)-(-)-1,2-Diaminocyclohexane
(1R,2R)-(-)-1,2-Diaminocyclohexane can be used as a building block for chiral ligands.
The Uses of (1R,2R)-(-)-1,2-Diaminocyclohexane
suzuki reaction
The Uses of (1R,2R)-(-)-1,2-Diaminocyclohexane
(1R,2R)-(-)-1,2-Diaminocyclohexane is a versatile ligand for the formation of metal complexes. Used in the synthesis of chiral tropocoronands which have potential utility in asymmetric catalysis.
What are the applications of Application
(1R,2R)-(?)-1,2-Diaminocyclohexane is a versatile ligand used for the formation of metal complexes
Purification Methods
Distil 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.]
Properties of (1R,2R)-(-)-1,2-Diaminocyclohexane
| Melting point: | 41-45 °C |
| Boiling point: | 86-88°C 23mm |
| alpha | -24.5 º (c=5 1 N HCl 20 º 26.5 ºC) |
| Density | 0.931 |
| refractive index | -25.5 ° (C=5, 1mol/L HCl) |
| Flash point: | 169 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Aqueous Acid (Slightly), Chloroform (Sparingly), Methanol (Slightly) |
| form | Crystalline Low Melting Solid |
| pka | 10.76±0.70(Predicted) |
| 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 |
| Stability: | Air Sensitive |
| CAS DataBase Reference | 20439-47-8(CAS DataBase Reference) |
Safety information for (1R,2R)-(-)-1,2-Diaminocyclohexane
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (1R,2R)-(-)-1,2-Diaminocyclohexane
| InChIKey | SSJXIUAHEKJCMH-PHDIDXHHSA-N |
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