5-Hexen-2-one (CAS 109-49-9)

Chinese name: 5-已烯-2-酮

5-Hexen-2-one is registered under CAS 109-49-9. Molecular formula: C6H10O. Approximate molecular weight: 98.143. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	109-49-9
English name	5-Hexen-2-one
Chinese name	5-已烯-2-酮
Molecular formula	C6H10O
Molecular weight	98.143
Melting point	-71.05°C (estimate)
Boiling point	129.5°C at 760 mmHg
Density	0.819g/cm3
Flash point	23.9°C
Refractive index	1.408
Water solubility	Soluble in water.
Vapor pressure	10.1mmHgat25°C
HS code (ref.)	2914190090

Applications (reference)

1.用于合成香料、杀虫剂和药品等。 2.有机合成。

Related products at SKYSEVEN Chemical

No on-catalog product linked yet. Contact sales with CAS 109-49-9 for availability.

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 109-49-9?

5-Hexen-2-one is identified by CAS Registry Number 109-49-9. Molecular formula: C6H10O. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy 5-Hexen-2-one?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 109-49-9 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.