ChemicalBook > CAS DataBase List > (1R,2R)-(-)-1,2-Diaminocyclohexane

(1R,2R)-(-)-1,2-Diaminocyclohexane

Product Name
(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
Formula Weight
114.19
MOL File
20439-47-8.mol
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(1R,2R)-(-)-1,2-Diaminocyclohexane Property

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
InChIKey
SSJXIUAHEKJCMH-PHDIDXHHSA-N
CAS DataBase Reference
20439-47-8(CAS DataBase Reference)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
346721
Product name
(1R,2R)-(?)-1,2-Diaminocyclohexane
Purity
98%
Packaging
1g
Price
$21.9
Updated
2024/03/01
Sigma-Aldrich
Product number
346721
Product name
(1R,2R)-(?)-1,2-Diaminocyclohexane
Purity
98%
Packaging
5g
Price
$104
Updated
2024/03/01
TCI Chemical
Product number
C1447
Product name
(1R,2R)-(-)-1,2-Cyclohexanediamine
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$68
Updated
2024/03/01
TCI Chemical
Product number
C1447
Product name
(1R,2R)-(-)-1,2-Cyclohexanediamine
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$275
Updated
2024/03/01
Alfa Aesar
Product number
L14059
Product name
(1R,2R)-(-)-1,2-Diaminocyclohexane, 98%
Packaging
1g
Price
$66.65
Updated
2024/03/01
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(1R,2R)-(-)-1,2-Diaminocyclohexane Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powder

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.

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

(+/-)-trans-1,2-Diaminocyclohexane tert-Butyl methyl ether Potassium hydroxide D-(-)-Tartaric Acid 3-Methylbenzoyl chloride Acetic acid L(+)-Tartaric acid

Preparation Products

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(1R,2R)-(-)-1,2-Diaminocyclohexane Suppliers

Americas 1 Belgium 1 Canada 1 China 406 China Hong Kong 1 Czech Republic 1 Europe 5 France 4 Germany 9 India 20 Italy 1 Japan 3 Norway 1 Slovakia 1 South Korea 1 Spain 1 Switzerland 2 The Netherlands 1 Ukraine 1 United Kingdom 15 United States 50 Global 526
INTATRADE GmbH
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+49 3493/605464
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+49 3493/605470
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sales@intatrade.de
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Germany
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3572
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66
VladaChem GmbH
Tel
+49-7246-3082843
Email
info@vladachem.de
Country
Germany
ProdList
1859
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58
Reuter Chemische Apparatebau KG
Tel
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Country
Germany
ProdList
16
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58
Minakem Leuna GmbH
Tel
--
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Email
minakem-leuna@minakem.com
Country
Germany
ProdList
157
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50
Reuter Chemische Apparatebau KG
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Email
sales@rca-separations.de
Country
Germany
ProdList
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CHEMTEC LEUNA
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Email
chemtec-leuna@siigroup.com
Country
Germany
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Karl H. Boddin Chemiehandel GmbH
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Germany
ProdList
1036
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Service Chemical Inc.
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Germany
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6350
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IRIS Biotech GmbH
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Germany
ProdList
4426
Advantage
68
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View Lastest Price from (1R,2R)-(-)-1,2-Diaminocyclohexane manufacturers

Shanghai UCHEM Inc.
Product
(1R,2R)-(-)-1,2-Diaminocyclohexane 20439-47-8
Price
US $46.00-437.00/g
Min. Order
25g
Purity
0.99
Supply Ability
25kg
Release date
2023-12-12
Hebei Chuanghai Biotechnology Co,.LTD
Product
(1R, 2R) - (-) -1, 2-Diaminocyclohexane 20439-47-8
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-21
Hebei Fengjia New Material Co., Ltd
Product
(1R,2R)-(-)-1,2- diaminocyclohexane acid 20439-47-8
Price
US $4.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10000
Release date
2024-09-13

20439-47-8, (1R,2R)-(-)-1,2-DiaminocyclohexaneRelated Search:

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  • (1R,2R)-(-)-1,2-DIAMINOCYCLOHEXANE/(R,R)-DACH
  • trans-l-1,2-DiaMinocyclohexane
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  • (1R,2R)-Cyclohexane-1,2-diamin
  • 20439-47-8
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