(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;RR-DAC;2R)-(-)-1
- 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 | 07-0330 | 1g | $67 |
| More product size | |||
| 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. | 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(45)
| 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 | 2026-03-19 | Buy |
| Sigma-Aldrich | 346721 | (1R,2R)-(?)-1,2-Diaminocyclohexane 98% | 20439-47-8 | 5g | $114 | 2026-03-19 | Buy |
| TCI Chemical | C1447 | (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | 20439-47-8 | 5g | $147 | 2026-03-19 | Buy |
| TCI Chemical | C1447 | (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) | 20439-47-8 | 25g | $595 | 2026-03-19 | Buy |
| Strem Chemicals | 07-0330 | (1R,2R)-(-)-1,2-Diaminocyclohexane, 99% (R,R)-DACH | 20439-47-8 | 1g | $67 | 2024-03-01 | Buy |
(1R,2R)-(-)-1,2-Diaminocyclohexane Chemical Properties,Uses,Production
Chemical Properties
white to light yellow crystal powder
Uses
(1R,2R)-(-)-1,2-Diaminocyclohexane can be used as a building block for chiral ligands.
Uses
suzuki reaction
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.
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 | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Shanghai UCHEM Inc. | +862156762820 +86-13564624040 | sales@myuchem.com | China | 8793 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5235 | 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 | 20124 | 58 |
| Capot Chemical Co.,Ltd. | +86-(0)57185586718; +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13815 | 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 | 21592 | 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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2026-04-24 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
US $46.00-437.00 / g | 25g | 0.99 | 25kg | Shanghai UCHEM Inc. | |
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2026-04-22 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
US $29.00 / mg | 99.85% | 10g | TargetMol Chemicals Inc. | ||
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2026-03-20 | (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
|
US $0.00-0.00 / KG | 1KG | 99% | 20 mt | Hebei Chuanghai Biotechnology Co., Ltd |
-

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

- (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
- US $29.00 / mg
- 99.85%
- TargetMol Chemicals Inc.
-

- (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
- US $0.00-0.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd







