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Dibutyl sebacate can be used as cold resistant plasticizer and softener for synthetic rubber

Chemical structure of dibutyl sebacateBesides sebacic acid, we also can produce dibutyl sebacate. Dibutyl sebacate is colorless transparent oily liquid without smell.  Its melting point is 205°C. The boiling point is 344-345°C, and freezing point of -10°C. It can be soluble in ethanol, ether and acetone, but insoluble in water.

CAS: 109-43-3
Molecular weight: 341.46
Molecular formula: C18H34O4
Dibutyl sebacate in chemical bottleIt is often packed in galvanized iron barrels and the net weight is 190kg per barrel. Customized specification is welcomed. It should be stored in cool and well-ventilated warehouse and keep away from fire and damp. In case of damaging package and deterioration do not mix with acids, alkalis or in contact with the oxidation of corrosive substances in storage and handling.

Dibutyl sebacate usages:

  1. Cold resistant plasticizer:
    It is compatible with most resins and synthetic rubber so can act as main plasticizer. This product is nontoxic and can be used in contact with food packaging materials that products have good touch feeling. The materials used as synthetic rubber plasticizers can make the products with excellent low temperature performance and oil resistance. The main drawback of this product is large volatile loss. It’s easy to be extracted by water, soap and detergent, so often used with phthalate plasticizers.
  2. Used for gas chromatography stationary liquid, plasticizer and rubber softener, is also used to spices formulated, organic synthesis
  3. Spices. Mainly used in the preparation of fruit flavor.
Index name Index
First Special Grade No.1 Grade Qualified Grade
Ester content (%) 99.0 99.0 99.0
Acidity (test sebacic acid, %) ≤ 0.01 0.02 0.03
Flash Point (°C) ≥ 185 180 180
Color (APHA) ≤ 20 30 40
Loss on Heating (125°C, 2h, %) ≤ 0.3 0.3 0.5
Density (20°C) 0.935-0.941

 

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