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Atomfair 5-Hexen-2-one Allylacetone C6H10O CAS 109-49-9

5-Hexen-2-one (CAS No. 109-49-9) is a versatile organic compound with the molecular formula C6H10O . This clear, colorless to pale yellow liquid is characterized by its unsaturated ketone structure, featuring a reactive hexenyl chain and a carbonyl group at the 2-position. Widely utilized in organic synthesis, 5-Hexen-2-one serves as a key intermediate for pharmaceuticals, fragrances, and specialty chemicals. Its high purity (≥99%) ensures optimal performance in reactions such as Michael additions, Grignard reactions, and catalytic hydrogenation. Suitable for research and industrial applications, this compound is packaged under inert gas to maintain stability and shipped with detailed technical documentation, including GC/MS…

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Description

5-Hexen-2-one (CAS No. 109-49-9) is a versatile organic compound with the molecular formula C6H10O. This clear, colorless to pale yellow liquid is characterized by its unsaturated ketone structure, featuring a reactive hexenyl chain and a carbonyl group at the 2-position. Widely utilized in organic synthesis, 5-Hexen-2-one serves as a key intermediate for pharmaceuticals, fragrances, and specialty chemicals. Its high purity (≥99%) ensures optimal performance in reactions such as Michael additions, Grignard reactions, and catalytic hydrogenation. Suitable for research and industrial applications, this compound is packaged under inert gas to maintain stability and shipped with detailed technical documentation, including GC/MS analysis and safety data sheets (SDS).

Properties

  • CAS Number: 109-49-9
  • Complexity: 74.2
  • IUPAC Name: hex-5-en-2-one
  • InChI: InChI=1S/C6H10O/c1-3-4-5-6(2)7/h3H,1,4-5H2,2H3
  • InChI Key: RNDVGJZUHCKENF-UHFFFAOYSA-N
  • Exact Mass: 98.073164938
  • Molecular Formula: C6H10O
  • Molecular Weight: 98.14
  • SMILES: CC(=O)CCC=C
  • Topological: 17.1
  • Monoisotopic Mass: 98.073164938
  • Synonyms: 5-Hexen-2-one, hex-5-en-2-one, 109-49-9, 1-Hexen-5-one, XWM6RL9YEI, NSC 6973, NSC-6973, EINECS 203-675-1, AI3-21995, DTXSID0059372, DTXCID5033125, inchi=1/c6h10o/c1-3-4-5-6(2)7/h3h,1,4-5h2,2h, Allylacetone, 5-Hexene-2-one, 3-Buten-1-yl Methyl Ketone, ALLYL ACETONE, UNII-XWM6RL9YEI, NSC6973, 1-hexene-5-one, 5-oxo-1-hexene, MFCD00008793, SCHEMBL7498, 5-Hexen-2-one, 99%, SCHEMBL5092647, SCHEMBL5965854, SCHEMBL8854658, CHEBI:179653, LMFA12000035, SBB009089, STL268881, AKOS009156552, FH35623, DB-308104, H0125, NS00012568, EN300-89941, D90803, Q24816828, Z406376894

5-Hexen-2-one is primarily used as a building block in organic synthesis, enabling the production of complex molecules via its reactive double bond and ketone functionality. It is employed in fragrance formulations for its fruity, green odor profile and in pharmaceutical research for scaffold development. The compound also finds utility in polymer chemistry as a crosslinking agent or monomer modifier.

Safety and Hazards

GHS Hazard Statements

  • H226 (99.2%): Flammable liquid and vapor [Warning Flammable liquids]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (99.2%)

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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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