(1S,2S)-(+)-1,2-Diaminocyclohexane
Synonym(s):(1S)-trans-1,2-Cyclohexanediamine;(1S)-trans-1,2-Diaminocyclohexane
- CAS NO.:21436-03-3
- Empirical Formula: C6H14N2
- Molecular Weight: 114.19
- MDL number: MFCD00062986
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is (1S,2S)-(+)-1,2-Diaminocyclohexane?
Chemical properties
white to light yellow crystal powder
The Uses of (1S,2S)-(+)-1,2-Diaminocyclohexane
suzuki reaction
The Uses of (1S,2S)-(+)-1,2-Diaminocyclohexane
For synthesis of optically active products
The Uses of (1S,2S)-(+)-1,2-Diaminocyclohexane
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
(1S,2S)-(+)-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 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.]
Properties of (1S,2S)-(+)-1,2-Diaminocyclohexane
| Melting point: | 40-43 °C (lit.) |
| Boiling point: | 104-110 °C/40 mmHg (lit.) |
| alpha | 25.25 º (589nm, c=5, 1 M HCl) |
| Density | 0.951 |
| refractive index | 1.4886 |
| Flash point: | 169 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| pka | 10.76±0.70(Predicted) |
| form | Crystals or Powder |
| color | White to light beige |
| optical activity | [α]20/D +25°, c = 5 in 1 M HCl |
| 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 for (1S,2S)-(+)-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 (1S,2S)-(+)-1,2-Diaminocyclohexane
| InChIKey | SSJXIUAHEKJCMH-WDSKDSINSA-N |
New Products
Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Cis-Tosylate Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) BOC Piperazine 1-Benzhydrylazetane-3-carbonitrile 8-oxa-1,3-diazaspiro[4.5]decane-2,4-dione (±)-amino(2-fluorophenyl)acetic acid 2-(2-Chlorophenyl)glycine AMINO-(3-CHLORO-PHENYL)-ACETIC ACID 2'-Fluoroacetophenone METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 Trans,trans muconic acid HC Blue-16 4-Amino-2-chloro-6,7-dimethoxyquinazoline Ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate 2,3-Dimethoxypyridine 1-(3-Chlorophenyl)piperazine hydrochlorideRelated products of tetrahydrofuran








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