(S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine
(S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine (CAS: 87583-89-9) is a chiral diamine with a molecular weight of 142.24 g/mol. This compound is primarily utilised as a building block in asymmetric synthesis, enabling the stereoselective formation of complex molecules. Its well-defined chirality makes it a valuable reagent in organic chemistry for creating enantiomerically pure products, particularly in the pharmaceutical and fine chemical industries.
- IUPAC
- (1S)-trans-1,2-Bis(methylamino)cyclohexane,(S,S)-N,N′-Dimethyl-1,2-diaminocyclohexane
- Synonyms
- 2-cyclohexanediamine, (1S)-trans-1,2-Bis(methylamino)cyclohexane, (S,S)-N,N′-Dimethyl-1,2-diaminocyclohexane

Chiral Ligand Synthesis
Serves as a precursor for the synthesis of chiral ligands used in asymmetric catalysis, facilitating enantioselective transformations.
Asymmetric Synthesis
Employed as a chiral auxiliary or building block in the stereoselective construction of organic molecules, crucial for pharmaceutical intermediates.
Organic Synthesis Reagent
A versatile reagent in organic chemistry laboratories for various synthetic methodologies requiring stereochemical control.
| Molecular weight | 142.24 |
|---|---|
| Empirical formula | C8H18N2 |
| Assay | ≥97.0% (GC) |
| Optical activity | [α]/D +145±5°, c = 4.47 in chloroform |
| Storage temperature | 2-8°C |
| Melting point | 39-44 °C |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 74 °C / 165.2 °F |
| Transport (UN / ADR) | UN 3259PSN2 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine used for?
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This compound is used as a chiral building block and in the synthesis of chiral ligands for asymmetric catalysis, essential in the stereoselective production of complex organic molecules.
What is the CAS number and formula for (S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine?
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The CAS number is 87583-89-9 and the empirical formula is C8H18N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of ≥97.0% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should (S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine be handled safely?
+
This compound is a danger. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection, must be used. Handle in a well-ventilated area and follow all safety precautions (P280, P305 + P351 + P338, P310).
How is (S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions offers this chemical for export, adhering to all relevant shipping and handling regulations for hazardous materials (UN 3259, Class 8, PG II).
How can I request a sample or a quote for this chemical?
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Please contact our sales team directly via the website or by phone to request a sample or a quotation for (S,S)-(+)-N,N′-Dimethyl-1,2-cyclohexanediamine.
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