1,3-Dimethylcyclohexane, mixture of cis and trans
1,3-Dimethylcyclohexane (CAS 591-21-9) is a cyclic alkane with the molecular formula C8H16. This mixture of cis and trans isomers is supplied by Tech Serve Solutions with a typical assay of 99%. Its applications primarily lie in chemical synthesis and research, particularly for studying catalytic ring-opening reactions. With a boiling point of 121-124 °C and a density of 0.767 g/mL, it serves as a valuable building block in organic chemistry.
- Synonyms
- 591-21-9C6H10(CH3)2

Catalysis Research
1,3-Dimethylcyclohexane is utilised in research to investigate ring-opening reactions over iridium catalysts. Studies often involve modifying these catalysts with elements such as potassium and nickel to observe changes in reaction pathways and efficiency.
Organic Synthesis
As a cyclic alkane building block, this compound is employed in organic synthesis for the construction of more complex molecular architectures. Its structural features make it a useful starting material or intermediate in various synthetic routes.
Laboratory Reagent
Available from Tech Serve Solutions, 1,3-Dimethylcyclohexane functions as a laboratory reagent for diverse chemical investigations and experimental procedures requiring specific alkane functionalities.
| Molecular weight | 112.21 |
|---|---|
| Linear formula | C6H10(CH3)2 |
| Assay | 99% |
| Boiling point | 121-124 °C(lit.) |
| Density | 0.767 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.426(lit.) |
| Application | 1,3-Dimethylcyclohexane was used to study ring opening reaction of 1,3-dimethylcyclohexane over Iridium catalysts modified by the addition of K and Ni.1 |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 9 °C / 48.2 °F |
| Transport (UN / ADR) | UN 2263 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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 1,3-Dimethylcyclohexane (CAS 591-21-9) used for?
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1,3-Dimethylcyclohexane is used as a building block in organic synthesis and for studying catalytic ring-opening reactions. It serves as a valuable reagent in chemical research and laboratory applications.
What is the CAS number and chemical formula for 1,3-Dimethylcyclohexane?
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The CAS number is 591-21-9, and the chemical formula is C8H16. The linear formula is C6H10(CH3)2, with a molecular weight of 112.21 g/mol.
What grade and purity does Tech Serve Solutions supply for 1,3-Dimethylcyclohexane?
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Tech Serve Solutions supplies 1,3-Dimethylcyclohexane with a minimum assay of 99%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling requirements for 1,3-Dimethylcyclohexane?
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1,3-Dimethylcyclohexane is a highly flammable liquid and vapour (H225), causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area away from ignition sources.
How is 1,3-Dimethylcyclohexane packed and shipped?
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1,3-Dimethylcyclohexane is shipped according to international regulations for hazardous materials, including UN 2263, Class 3, Packing Group II. TSS ensures compliance for global export.
How can I request a quote or sample for 1,3-Dimethylcyclohexane?
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To request a quote or sample, please contact our sales team through the website or via direct inquiry, providing your specific requirements and delivery details.
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