1,5-Dimethylnaphthalene
1,5-Dimethylnaphthalene (CAS: 571-61-9) is an organic compound with the molecular formula C10H6(CH3)2 and a molecular weight of 156.22 g/mol. This arene derivative is primarily utilised as a building block in chemical synthesis and in various organic chemistry research applications. Its distinct structure makes it a valuable intermediate for creating more complex molecules.
- Synonyms
- 1,5-Dimethylnaphthalene

Chemical Synthesis Intermediate
1,5-Dimethylnaphthalene serves as a key intermediate in the synthesis of various organic compounds. Its naphthalene core and methyl substituents offer specific reaction sites for further chemical modification.
Research and Development
This compound is employed in academic and industrial research for studies involving aromatic hydrocarbons and their derivatives. It can be used in the development of novel materials or as a reference standard.
Organic Building Block
As an organic building block, 1,5-Dimethylnaphthalene is utilised in the construction of more complex molecular architectures. Its availability facilitates research in areas like medicinal chemistry and materials science.
| Molecular weight | 156.22 |
|---|---|
| Linear formula | C10H6(CH3)2 |
| Assay | 98% |
| Boiling point | 265-266 °C(lit.) |
| Melting point | 77-82 °C(lit.) |

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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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.
| Gene Information | human ... CYP1A2(1544), CYP2A6(1548)mouse ... Cyp2a5(13087) |
|---|
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-Dimethylnaphthalene used for?
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1,5-Dimethylnaphthalene is primarily used as a building block in chemical synthesis and in organic chemistry research.
What is the CAS number and formula for 1,5-Dimethylnaphthalene?
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The CAS number is 571-61-9 and the linear formula is C10H6(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,5-Dimethylnaphthalene at an assay of 98%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 1,5-Dimethylnaphthalene be handled?
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Handle 1,5-Dimethylnaphthalene with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Ensure good ventilation as it may cause respiratory irritation (H335), skin irritation (H315), and serious eye irritation (H319).
Is 1,5-Dimethylnaphthalene a controlled substance?
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Based on the provided data, 1,5-Dimethylnaphthalene is not indicated as a controlled substance. Always consult current regulations for definitive information.
How is 1,5-Dimethylnaphthalene packed, shipped, and exported?
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Tech Serve Solutions expertly packs and ships fine chemicals globally, adhering to all relevant international shipping and export regulations for hazardous materials.
How can I request a sample or quote for 1,5-Dimethylnaphthalene?
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To request a sample or a quote for 1,5-Dimethylnaphthalene, please contact our sales team through the website or by calling us directly.
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