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

(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
Last updated:2026-04-22 18:57:36
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

(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. 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)  GHS hazard pictograms
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
10-34
HazardClass  8
PackingGroup  III
HS Code  29213000
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Skin Corr. 1B
NFPA 704
1
3 0

(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
Product number Packaging Price Buy
346721 1g $24 Buy
346721 5g $114 Buy
C1447 5g $147 Buy
C1447 25g $595 Buy
07-0330 1g $67 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.]

694-83-7
20439-47-8
Synthesis of (1R,2R)-(-)-1,2-Diaminocyclohexane from 1,2-Diaminocyclohexane
Global( 528)Suppliers
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Hebei Chuanghai Biotechnology Co., Ltd
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View Lastest Price from (1R,2R)-(-)-1,2-Diaminocyclohexane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(1R,2R)-(-)-1,2-Diaminocyclohexane pictures 2026-04-24 (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
US $46.00-437.00 / g 25g 0.99 25kg Shanghai UCHEM Inc.
(1R,2R)-(-)-1,2-Diaminocyclohexane pictures 2026-04-22 (1R,2R)-(-)-1,2-Diaminocyclohexane
20439-47-8
US $29.00 / mg 99.85% 10g TargetMol Chemicals Inc.
(1R,2R)-(-)-1,2-Diaminocyclohexane pictures 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
RR-DIAMINOCYCLOHEXANE RR-DAC (-)-(R,R)-DACH (R,R)-DACH (-)-(R,R)-1,2-DIAMINOCYCLOHEXANE (1R,2R)-(-)-1,2-CYCLOHEXANEDIAMINE (1R,2R)-CYCLOHEXANE-1,2-DIAMINE (1R,2R)-(-)-1,2-DIAMINOCYCLOHEXANE (1R,2R)-1,2-DIAMINOCYCLOHEXANE (1R)-(-)-TRANS-1,2-DIAMINOCYCLOHEXANE (1R)-TRANS-1,2-DIAMINOCYCLOHEXANE (1R)-TRANS-1,2-CYCLOHEXANEDIAMINE (R,R)-(-)-1,2-DIAMINOCYCLOHEXANE (R,R)-1,2-DIAMINOCYCLOHEXANE R-DACH DiaminocyclohexaneRRDACHwhitepowder (1R,2R)-(-)-1,2-Diaminocyclohe (1R,2R)-(-)-1,2-Diaminocyclohexane,99%(R,R)-DACH (1R,2R)-(-)-1,2-DIAMINOCYCLOHEXANE 99% (-)-(R,R)-1,2-Diaminocyclohexane, 98+% (1R,2R)-(-)-1,2-Diaminocyclohexane ,98% [ee: 99% ] (1R,2R)-(-)-1,2-Diaminocyclohexane ,98% (1R,2R)-(-)-1,2-DIAMINOCYCLOHEXANE/(R,R)-DACH trans-l-1,2-DiaMinocyclohexane (1R,2R)-(-)-1,2-Diaminocyclohexane (Oxaliplatin) (1R,2R)-(-)-1,2-Diaminocyclohexane, 98%, ee: 99.8% (1R)-TRANS-1,2-DIAMINOCYCLOHE (1R,2R)-(-)-1,2-DiaminocycL (1R)-1β,2α-Diaminocyclohexane trans-(1R,2R)-cyclohexanediamine (1R,2R)-(-)-1,2-Diaminocyclohexane,99% 1,2-Cyclohexanediamine, (1R,2R)- (1R,2R)-()-1,2-Diaminocyclohexane,(1R)-trans-1,2-Cyclohexanediamine (1R,2R)-(-)-1,2-Diam 1R,2R-Diaminocyclohexane 2-DiaMinocyclohexane 2R)-(-)-1 ((1R,2R)-2-AMinocyclohexyl)aMine (-)-(1R,2R)CyclohexanediaMine (1R,2R)-1,2-trans-CyclohexanediaMine (1R,2R)-CyclohexanediaMine (1R,2R)-trans-Cyclohexane-1,2-dia (1R,2R)-(-)-1,2- diaMinocyclohexane acid (1R,2R)-(-)-1,2-CyclohexanediaMine (1R,2R)-(-)-1,2-DiaMinocyclohexane, ee: 99.8% (1R,2R)-(-)-1,2-DiaMinocyclohexane, 99% 1GR (1R,2R)-(-)-1,2-DiaMinocyclohexane, 98%, ee: 99% (1R,2R)-(-)-1,2-DiaMinocyclohexane, ee: 99% (1R,2R)-(-)-1,2-Cyclohexanediamine > (1R,2R)-(-)-1,2-DiaminocyChemicalbookclohexane (1R,2R)-(-)-1,2- diaminocyclote(II) L-trans-1, 2-cyclohexanediamine (-)-trans-1,2-Diaminocyclohexane (1R,2R)-Cyclohexane-1,2-diamin (1R,2R)-(?)-1,2-Diaminocyclohexane Oxaliplatin Impurity 15 (1R,2R)Cyclohexan-1,2-diamine 20439-47-8