1-hexadecene
CAS Number
629-73-2
EC Number
211-105-8
What is 1-hexadecene?
1-Hexadecene (CAS 629-73-2), also known commercially as cetylene, is a long-chain linear alpha olefin used as a reactive building block and functional ingredient.
Where is 1-hexadecene used?
- Plastics and polymers: co-monomer in polyethylene and polyalphaolefin synthesis
- Lubricants: feedstock for synthetic base oils and viscosity modifiers for automotive and industrial fluids
- Personal care: emollient carrier and dispersing agent in skin-feel formulations
- Coatings and adhesives: plasticizer and softening agent for flexible film formation
- Its terminal double bond makes it a monomer and co-monomer for controlled chemical reactions.
Commercial specifications
- Standard commercial grades at purities of 95% and 98%+
- High-purity polymer-grade specifications for co-monomer applications
- Clear liquid in drum and IBC quantities; bulk tanker options
Other Names (Synonyms)
n-Hexadec-1-ene|Hexadecylene-1|Cetylene|Cetene|alpha-Hexadecylene|alpha-Hexadecene|1-n-Hexadecene|1-Cetene
What are the physical properties of 1-hexadecene?
Melting Point 4.1 °C
Boiling Point 284.4 °C @ Press: 760 Torr
Density 0.7811 g/cm³ @ Temp: 20 °C
Flash Point 275 °F
Appearance clear colorless liquid
Color Yellow to orange-brown
Odor mild hydrocarbon odor
Form Crystalline Powder, Crystals and/or Chunks
Water Solubility Miscible with ether, petroleum ether and alcohol. Immiscible with water.
Vapor Pressure 1 mm Hg ( 105.3 °C)
Refractive Index n 20/D 1.441(lit.)
Log P 8.06 at 20℃
How is 1-hexadecene classified and handled safely? Learn More
Danger
GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H304 May be fatal if swallowed and enters airways
H410 Very toxic to aquatic life with long lasting effects
Precautionary Statements
P273 Avoid release to the environment.
P331 Do NOT induce vomiting.
P391 Collect spillage.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P301+P316 Get emergency medical help immediately.
Which trade and regulatory codes apply to 1-hexadecene?
HS Code 29012990
Storage Class 10 - Combustible liquids
WGK (Germany) 3