1,3-Dimethyladamantane
1,3-Dimethyladamantane (CAS: 702-79-4) is a cyclic alkane with the molecular formula C12H20 and a molecular weight of 164.29 g/mol. This organic building block is valuable in chemical synthesis, particularly for the preparation of more complex adamantane derivatives. With a purity of ≥99%, it serves as a reliable reagent for research and development in organic chemistry.
- Synonyms
- C12H20

Synthesis of Halogenated Adamantanes
1,3-Dimethyladamantane is utilized as a precursor in the synthesis of halogenated adamantane compounds. For example, it has been employed in the preparation of 1,3-dibromo-5,7-dimethyladamantane, demonstrating its utility in introducing specific functional groups onto the adamantane cage structure.
Organic Building Block
As a functionalised adamantane, this compound serves as a versatile organic building block. Its rigid, three-dimensional structure makes it suitable for creating molecules with unique steric and electronic properties, useful in materials science and medicinal chemistry research.
Chemical Research and Development
1,3-Dimethyladamantane is employed in various chemical research and development activities. Its characteristic adamantane framework can be leveraged to explore new synthetic routes and to develop novel compounds with potential applications in diverse scientific fields.
| Molecular weight | 164.29 |
|---|---|
| Empirical formula | C12H20 |
| Assay | ≥99% |
| Density | 0.886 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.478(lit.) |
| Application | 1,3-Dimethyladamantane was used in the synthesis of 1,3-dibromo-5,7-dimethyladamantane1. |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 53 °C / 127.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
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-Dimethyladamantane used for?
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1,3-Dimethyladamantane is used as an organic building block in chemical synthesis, notably for creating halogenated adamantane derivatives such as 1,3-dibromo-5,7-dimethyladamantane.
What is the CAS number and formula for 1,3-Dimethyladamantane?
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The CAS number for 1,3-Dimethyladamantane is 702-79-4, and its molecular formula is C12H20.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Dimethyladamantane with an assay of ≥99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1,3-Dimethyladamantane be handled safely?
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1,3-Dimethyladamantane is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields and chemical-resistant gloves, in a well-ventilated area. Keep away from heat, hot surfaces, sparks, and open flames.
Is 1,3-Dimethyladamantane available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,3-Dimethyladamantane, adhering to all relevant shipping regulations.
How can I request a sample or quote for 1,3-Dimethyladamantane?
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To request a sample or a quote for 1,3-Dimethyladamantane, please contact our sales team through the TSS website or by calling our main line.
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