CAS: 122-62-3
Dioctyl Sebacate DOS is the synthetic diester and plasticizer used in large ubiquity within plastic and rubber based products across different applications. The molecular structure distinguishes it from other plasticizers in this group, enabling flexibility and wear-resistance to polymer-based materials. DOS matters because it increases the performance of final products while preserving safety qualities and compliance to regulations.Properties of Dioctyl Sebacate:
CAS Number: 122-62-3
Chemical Formula: C26H50O4
Melting Point: -48 °C
Boiling Point: 256 °C @ Press: 5 Torr
Density: 0.912 g/cm³ @ Temp: 25 °C
Flash point: >230 °F
Physical Properties
Appearance: Colorless to yellowish liquid.
Odor: Typically odorless or slightly characteristic, with no strong smell.
Solubility: Miscible in several organic solvents, but not in water.
Thermal stability: fairly stable above a moderate range of temperatures, high boiling point meaning a high degree of heat tolerance.
Compatibility: readily compatible with a wide variety of polymers and plastic materials as a plasticizer.
Colour: colorless to yellow depending upon degree of purity and manufacturing method.
Primary application of Dioctyl Sebacate in the Plastic & Rubber Industry
DOS is a plasticizer whereby it imparts flexibility and processability to a wide range of polymers, including polyvinyl chloride (PVC) as well as various thermoplastics. In particular highly appreciated for low volatility, good compatibility with many resins and resistance to hydrolysis.. This combination of attributes allows DOS to improve the processing characteristics and longevity of plastic and rubber products, making it indispensable for manufacturers seeking high-quality outcomes.
Other Industries of Application
Dioctyl Sebacate finds substantial utility in various sectors beyond plastics and rubber, including:
Personal care: Utilized to improve texture and spreadability in body care formulations like lotions & creams.
Food & nutrition: used as stabilizer in food packaging materials.
Pharma: Excipient in the delivery of medications where this helps to increase solubility.
Agriculture: as a solvent and carrier in agrochemical formulations
Lubricants and Greases: Improves the performance of lubricating oils by bringing improvements in flow properties and stability.