(1R,2R)-(-)-1,2-Diaminocyclohexane
- CAS No.
- 20439-47-8
- Chemical Name:
- (1R,2R)-(-)-1,2-Diaminocyclohexane
- Synonyms
- (1R,2R)-CYCLOHEXANE-1,2-DIAMINE;(1R,2R)-1,2-DIAMINOCYCLOHEXANE;(R,R)-1,2-DIAMINOCYCLOHEXANE;R-DACH;RR-DIAMINOCYCLOHEXANE;1R,2R-Diaminocyclohexane;(1R,2R)-CyclohexanediaMine;(R,R)-(-)-1,2-DIAMINOCYCLOHEXANE;(-)-trans-1,2-Diaminocyclohexane;RR-DAC
- CBNumber:
- CB0363657
- Molecular Formula:
- C6H14N2
- Molecular Weight:
- 114.19
- MDL Number:
- MFCD00062985
- MOL File:
- 20439-47-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| (1R,2R)-(?)-1,2-Diaminocyclohexane 98% | 346721 | 1g | $24 |
| (1R,2R)-(?)-1,2-Diaminocyclohexane 98% | 346721 | 5g | $114 |
| (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | C1447 | 5g | $147 |
| (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | C1447 | 25g | $595 |
| (1R,2R)-(-)-1,2-Diaminocyclohexane, 99% (R,R)-DACH 99% | 07-0330 | 1g | $72 |
| More product size | |||
| 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) |
| pka | 10.76±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 |
| Stability | Air Sensitive |
| InChI | 1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2/t5-,6-/m1/s1 |
| InChIKey | SSJXIUAHEKJCMH-PHDIDXHHSA-N |
| SMILES | N[C@@H]1CCCC[C@H]1N |
| CAS DataBase Reference | 20439-47-8(CAS DataBase Reference) |
| FDA UNII | 88RM10ID0P |
| UNSPSC Code | 12352116 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 3259 8/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 10-34 | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29213000 | |||||||||
| Storage Class | 8A - Combustible corrosive hazardous materials | |||||||||
| Hazard Classifications | Skin Corr. 1B | |||||||||
| NFPA 704 |
|
(1R,2R)-(-)-1,2-Diaminocyclohexane price More Price(85)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 346721 | (1R,2R)-(?)-1,2-Diaminocyclohexane 98% | 20439-47-8 | 1g | $24 | 2026-04-30 | Buy |
| Sigma-Aldrich | 346721 | (1R,2R)-(?)-1,2-Diaminocyclohexane 98% | 20439-47-8 | 5g | $114 | 2026-04-30 | Buy |
| TCI Chemical | C1447 | (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | 20439-47-8 | 5g | $147 | 2026-04-30 | Buy |
| TCI Chemical | C1447 | (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | 20439-47-8 | 25g | $595 | 2026-04-30 | Buy |
| Strem Chemicals | 07-0330 | (1R,2R)-(-)-1,2-Diaminocyclohexane, 99% (R,R)-DACH 99% | 20439-47-8 | 1g | $72 | 2026-04-30 | Buy |
(1R,2R)-(-)-1,2-Diaminocyclohexane Chemical Properties,Uses,Production
Chemical Properties
white to light yellow crystal powder
Uses
(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.
Uses
suzuki reaction
Uses
(1R,2R)-(-)-1,2-Diaminocyclohexane can be used as a building block for chiral ligands.
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.]
(1R,2R)-(-)-1,2-Diaminocyclohexane Preparation Products And Raw materials
Raw materials
1of3
Preparation Products
1of2
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +86-15350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Shanghai UCHEM Inc. | +86-18930848214 +86-021-56762820 | sales@myuchem.com | China | 8873 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 | sales1@chuanghaibio.com | China | 5220 | 58 |
| Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 | deasea125996@gmail.com | China | 2472 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20120 | 58 |
| Capot Chemical Co.,Ltd. | +86-(0)57185586718 +86-13336195806 | sales@capot.com | China | 29640 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14026 | 58 |
| Taizhou Tianhong Biochemistry Technology Co., Ltd. | 0523-86132544 | sales@thbiochem.com | CHINA | 305 | 60 |
| Beijing Cooperate Pharmaceutical Co.,Ltd | 010-60279497 | sales01@cooperate-pharm.com | CHINA | 1803 | 55 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21585 | 55 |
View Lastest Price from (1R,2R)-(-)-1,2-Diaminocyclohexane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-07-30 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
$46.00-437.00 | 25g | 0.99 | 25kg | Shanghai UCHEM Inc. | |
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2026-07-16 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
$29.00 | 99.96% | 10g | TargetMol Chemicals Inc. | ||
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2026-07-09 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
$2.00-30.00 | 1kg | 99 | Henan Fengda Chemical Co., Ltd |
-

- (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
- $46.00-437.00
- 0.99
- Shanghai UCHEM Inc.
-

- (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
- $29.00
- 99.96%
- TargetMol Chemicals Inc.
-

- (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
- $2.00-30.00
- 99
- Henan Fengda Chemical Co., Ltd







