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Dimethyl sebacate (DMS)
Properties and use:
Molecular weight 230 Relative density 0.990(25 ?)
Freezing point: 24.5 ? Boiling point: 294 ?
Flash point 145 ? Water-solubility 0.3%(volume 2525 ?)
Freely soluble in benzyl cellulose, cellulose acetate, cellulose acetylbutyrate, cellulose acetylpropionate, chlorinated rubber, ethyl cellulose, polystyrene, polyvinyl butyral, chloroethylene - vinyl acetate copolymer.
Can be used as plasticizer, softener and solvent for cellulose resin, vinyl resin and synthetic rubber.
Widely used as principal material to produce light stabilizer UV-770, UV-750, UV-123, etc.
Quality specification:
Quality Index |
Refined Product |
Best Quality |
Grade-A Product |
Appearance |
colorless transparent liquid with visible purities |
Chroma (APHA) = |
10 |
15 |
15 |
Acid value (mgkOH/g) = |
0.15 |
0.25 |
0.25 |
Dimethyl sebacate % |
99.8 |
99.3 |
99.0 |
Dimethyl dodecylate % = |
- |
0.5 |
0.8 |
Packing: big galvanized drum, 200kg/drum |
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