2-Ethynyl-6-methoxynaphthalene
2-Ethynyl-6-methoxynaphthalene (CAS: 129113-00-4), a chemical compound with the formula C13H10O and a molecular weight of 182.22 g/mol, is a valuable organic building block. It features a terminal alkyne functional group, making it reactive in various synthetic transformations. This compound serves as a key intermediate in organic synthesis, enabling the construction of more complex molecular architectures.

Organic Synthesis
Utilised as a building block in the synthesis of complex organic molecules. Its terminal alkyne allows for diverse coupling reactions, including Sonogashira and click chemistry.
Pharmaceutical Intermediates
A potential intermediate in the development of pharmaceutical compounds. Its structure can be incorporated into drug candidates or used in the synthesis of biologically active molecules.
Materials Science Research
Can be employed in the development of novel materials. The alkyne functionality is useful for polymerisation or surface modification applications.
| Molecular weight | 182.22 |
|---|---|
| Empirical formula | C13H10O |
| Assay | 97% |
| Melting point | 110-114 °C(lit.) |


Hazard statements
- H318Causes serious eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 41-50/53 |
| Safety statements (S) | 26-39-60-61 |
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 2-Ethynyl-6-methoxynaphthalene used for?
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2-Ethynyl-6-methoxynaphthalene is used as a versatile building block in organic synthesis, particularly for creating complex molecules and potentially as an intermediate in pharmaceutical research and materials science.
What are the CAS number and formula for 2-Ethynyl-6-methoxynaphthalene?
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The CAS number is 129113-00-4, and the molecular formula is C13H10O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethynyl-6-methoxynaphthalene with an assay of 97%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 2-Ethynyl-6-methoxynaphthalene be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Be aware of its potential to cause serious eye damage (H318) and its toxicity to aquatic life with long-lasting effects (H400).
How is 2-Ethynyl-6-methoxynaphthalene packed and shipped?
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This chemical is shipped as UN 3077, Environmentally Hazardous Substance, Solid, N.O.S. (2-Ethynyl-6-methoxynaphthalene), Class 9, Packing Group III.
How can I request a sample or quote for 2-Ethynyl-6-methoxynaphthalene?
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Please contact our sales team directly via email or phone to request a sample or a quotation for 2-Ethynyl-6-methoxynaphthalene.
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