1,5-Dimethyltetralin
1,5-Dimethyltetralin (CAS 21564-91-0), with the molecular formula C12H16 and a molecular weight of 160.26 g/mol, is a cyclic aromatic hydrocarbon. It serves as a valuable reactant, notably acting as a hydrogen donor in the conversion of 1-tetralone over HY zeolite. This compound is supplied by Tech Serve Solutions for various chemical synthesis and research applications, contributing to organic building block chemistry.
- IUPAC
- 1,2,3,4-Tetrahydro-1,5-dimethylnaphthalene
- Synonyms
- 1,2,3,4-Tetrahydro-1,5-dimethylnaphthalene

Hydrogen Donor in Catalysis
1,5-Dimethyltetralin is utilised as a reactant to donate hydrogen. It plays a role in the conversion of 1-tetralone, particularly when employing HY zeolite catalysts in chemical reactions.
Organic Synthesis
As an organic building block, this compound is employed in synthetic organic chemistry. Its structure allows for participation in various reactions contributing to the development of more complex molecules.
Research and Development
This chemical is a useful reagent for laboratory research and development purposes. Its specific properties make it suitable for exploring new synthetic pathways and reaction mechanisms.
| Molecular weight | 160.26 |
|---|---|
| Empirical formula | C12H16 |
| Boiling point | 245-249 °C(lit.) |
| Density | 0.956 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.539(lit.) |
| Application | Reactant acting as a hydrogen donor for the conversion of 1-tetralone over HY zeolite1 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 1,5-Dimethyltetralin used for?
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1,5-Dimethyltetralin is primarily used as a reactant acting as a hydrogen donor for the conversion of 1-tetralone over HY zeolite. It is also valuable as an organic building block in chemical synthesis and for research purposes.
What is the CAS number and molecular formula for 1,5-Dimethyltetralin?
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The CAS number for 1,5-Dimethyltetralin is 21564-91-0, and its molecular formula is C12H16.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,5-Dimethyltetralin based on available specifications. As this is not a pharmacopoeia-grade material, TSS does not represent it as USP, BP, or EP.
How should 1,5-Dimethyltetralin be handled safely?
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1,5-Dimethyltetralin is classified as a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Avoid breathing vapours or dust.
Is 1,5-Dimethyltetralin available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,5-Dimethyltetralin, serving customers worldwide.
How can I request a sample or quote for 1,5-Dimethyltetralin?
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To request a sample or obtain a quote for 1,5-Dimethyltetralin, please contact our sales department through the website or by phone.
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