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

(1R,2R)-(-)-1,2-Diaminocyclohexane
(1R,2R)-(-)-1,2-Diaminocyclohexane structure
CAS No.
20439-47-8
Chemical Name:
(1R,2R)-(-)-1,2-Diaminocyclohexane
Synonyms
RR-DAC;R-DACH;2R)-(-)-1;(R,R)-DACH;(-)-(R,R)-DACH;(1R,2R)-(-)-1,2-Diam;2-DiaMinocyclohexane;RR-DIAMINOCYCLOHEXANE;1R,2R-Diaminocyclohexane;(1R,2R)-CyclohexanediaMine
CBNumber:
CB0363657
Molecular Formula:
C6H14N2
Formula Weight:
114.19
MOL File:
20439-47-8.mol

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

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. 
2-8°C
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
InChIKey
SSJXIUAHEKJCMH-PHDIDXHHSA-N
CAS DataBase Reference
20439-47-8(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS05,GHS07
Signal word  Danger
Hazard statements  H317-H318-H314
Precautionary statements  P262-P309-P280-P305+P351+P338-P310-P260-P264-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P405-P501
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 3259 8/PG 2
WGK Germany  3
10-34
HazardClass  8
PackingGroup  III
HS Code  29213000

(1R,2R)-(-)-1,2-Diaminocyclohexane price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 346721 (1R,2R)-(?)-1,2-Diaminocyclohexane 98% 20439-47-8 1g $52.4 2019-12-02 Buy
Sigma-Aldrich 346721 (1R,2R)-(?)-1,2-Diaminocyclohexane 98% 20439-47-8 5g $194 2019-12-02 Buy
TCI Chemical C1447 (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) 20439-47-8 5g $40 2020-06-24 Buy
TCI Chemical C1447 (1R,2R)-(-)-1,2-Cyclohexanediamine >98.0%(GC)(T) 20439-47-8 25g $120 2020-06-24 Buy
Alfa Aesar L14059 (1R,2R)-(-)-1,2-Diaminocyclohexane, 98% 20439-47-8 5g $201 2020-06-24 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

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

Preparation Products


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

Global( 362)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21838 58
Taizhou Tianhong Biochemistry Technology Co., Ltd.
0523-86132544
0523-86201489 sales@thbiochem.com CHINA 306 60
Beijing Cooperate Pharmaceutical Co.,Ltd.
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career henan chemical co
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Jinan Finer Chemical Co., Ltd
+86-531-88989536
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Hebei Jimi Trading Co., Ltd.
+86 319 5273535
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View Lastest Price from (1R,2R)-(-)-1,2-Diaminocyclohexane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-04 (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
US $500.00 / KG 1KG 98% 10tons career henan chemical co
2019-04-12 (1R,2R)-(-)-1,2-diaminocyclohexane
20439-47-8
US $1.00 / KG 1KG 99% 500kg Hebei Jimi Trading Co., Ltd.

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