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Atomfair 2-Methylphenylacetylene C9H8 CAS 766-47-2

2-Methylphenylacetylene (CAS 766-47-2) is a high-purity organic compound with the molecular formula C9H8and IUPAC name 1-ethynyl-2-methylbenzene . This aromatic alkyne is a versatile building block in synthetic organic chemistry, widely used in cross-coupling reactions, metal-catalyzed transformations, and as a precursor for pharmaceuticals, agrochemicals, and advanced materials. Our product is rigorously tested for quality, ensuring ≥98% purity (GC) with minimal impurities, making it ideal for research and industrial applications. Available in various quantities, from milligrams to kilograms, it is packaged under inert gas to maintain stability. Suitable for use in Sonogashira coupling, click chemistry, and polymer synthesis. Store in a cool,…

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Description

2-Methylphenylacetylene (CAS 766-47-2) is a high-purity organic compound with the molecular formula C9H8 and IUPAC name 1-ethynyl-2-methylbenzene. This aromatic alkyne is a versatile building block in synthetic organic chemistry, widely used in cross-coupling reactions, metal-catalyzed transformations, and as a precursor for pharmaceuticals, agrochemicals, and advanced materials. Our product is rigorously tested for quality, ensuring ≥98% purity (GC) with minimal impurities, making it ideal for research and industrial applications. Available in various quantities, from milligrams to kilograms, it is packaged under inert gas to maintain stability. Suitable for use in Sonogashira coupling, click chemistry, and polymer synthesis. Store in a cool, dry place away from light and oxidizing agents.

Properties

  • CAS Number: 766-47-2
  • Complexity: 126
  • IUPAC Name: 1-ethynyl-2-methyl-benzene
  • InChI: InChI=1S/C9H8/c1-3-9-7-5-4-6-8(9)2/h1,4-7H,2H3
  • InChI Key: MYBSUWNEMXUTAX-UHFFFAOYSA-N
  • Exact Mass: 116.062600255
  • Molecular Formula: C9H8
  • Molecular Weight: 116.16
  • SMILES: CC1=CC=CC=C1C#C
  • Monoisotopic Mass: 116.062600255
  • Synonyms: 2-Methylphenylacetylene, 766-47-2, Benzene,1-ethynyl-2-methyl-, DTXSID50227407, DTXCID10149898, mybsuwnemxutax-uhfffaoysa-n, 2-Ethynyltoluene, 1-Ethynyl-2-methylbenzene, MFCD03427202, Benzene, 1-ethynyl-2-methyl-, 1-ethynyl-2-methyl-benzene, ethynyltoluene, toluylacetylene, 2-Ethynyl toluene, 2-Ethynyltoluene, 97%, 2-ethynyl-1-methylbenzene, 2-ETHYNYLTOLUENE97, 1-Ethynyl-2-methylbenzene #, SCHEMBL208808, SCHEMBL233965, SCHEMBL455348, SCHEMBL456144, SCHEMBL457271, SCHEMBL638738, SCHEMBL3223765, AAA76647, BCP27272, SBB064528, AKOS010651594, CS-W013609, AS-33246, SY253599, DB-075155, DB-240385, EN300-101008

Application

2-Methylphenylacetylene is extensively utilized in organic synthesis as a key intermediate for constructing complex molecules via transition-metal-catalyzed reactions. It serves as a critical substrate in Sonogashira couplings to form conjugated alkynes for optoelectronic materials. Researchers also employ it in pharmaceutical development for creating bioactive scaffolds and in material science for designing polymers with tailored properties.

Safety and Hazards

GHS Hazard Statements

  • H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (97.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (97.6%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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