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Di-2-ethylhexyl sebacate (DOS)

Scientific Name: Di-n-octyl sebacate
Molecular Formula: C26H50O4
Molecular Weight: 426.68

Properties: Colorless, odorless, or light yellow transparent oily liquid, freezing point: -48°C, boiling point: 256°C (0.67Kpa), ignition point: 257-263°C, viscosity: 25mPa.s (20°C), refractive index: 1.449-1.451 (25°C).It is soluble in organic solvents such as hydrocarbon, alcohols, ketone and chlorinated hydrocarbon, insoluble in dibastic alcohol or water.

Specification: In accordance with Q/THG 105

Item First grade Qualified product
Appearance transparent oily liquid without visible impurities
Chroma, (Pt-Co) ≤ 30 60
Assay of ester Note[1], %≥ 99.0 99.0
Acid value,mgKOH/g≤ 0.10 0.15
Moisture, %≤ 0.15 0.20
Density (20℃),g/cm3 0.913-0.919
Flash point, ℃≥ 210 205

*[1]: Ester content is the guarantee index.

Use: It is a typical good low temperature resistance plasticizor. It has high plasticization efficiency and it won't change color easily when heated. It can endow the product with low temperature plasticity, light fastness and water resistance. DOS has less volatility than DOA. In the process, it has good lubricity and the product made from it feels good. It's often used with di-2-ethyl hexyl phthalate and so on, in the films for agriculture to resist cold, cable clads, artificial leather, outdoor water pipes and packaging films for frozen food, etc. It also can be used as plasticizors of various synthetic rubber at low temperature and low temperature resistance plasticizors of the resins such as polystyrene , vinyl chloride copolymer and so on.

Packing: NW: 180kg. Packed in metal pail or on the clients' requirements.

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