Dioctyl sebacate
Dioctyl sebacate
CAS: 2432-87-3
Molecular Formula: C26H50O4
Dioctyl sebacate - Names and Identifiers
| Name | Dioctyl sebacate |
| Synonyms | DOS Witamol 500 Dioctyl sebacate Di-n-octyl sebacate DI-N-OCTYL SEBACATE Dioctyl decanedioate 1,10-dioctyl decanedioate SEBACIC ACID DIOCTYL ESTER Sebacic acid, dioctyl ester decanedioicaciddioctylester SEBACIC ACID DI-N-OCTYL ESTER decadioic acid, dioctyl ester Decanedioic acid, dioctyl ester DECANEDIOIC ACID DI-N-OCTYL ESTER |
| CAS | 2432-87-3 |
| EINECS | 219-411-3 |
| InChI | InChI=1/C26H50O4/c1-3-5-7-9-15-19-23-29-25(27)21-17-13-11-12-14-18-22-26(28)30-24-20-16-10-8-6-4-2/h3-24H2,1-2H3 |
Dioctyl sebacate - Physico-chemical Properties
| Molecular Formula | C26H50O4 |
| Molar Mass | 426.67 |
| Density | 0.912 |
| Melting Point | 18°C |
| Boling Point | 256℃ |
| Flash Point | 210℃ |
| Water Solubility | 3.856ng/L at 25℃ |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Colorless liquid |
| Color | White or Colorless to Light yellow |
| Storage Condition | Room Temprature |
| Refractive Index | 1.451 |
| Physical and Chemical Properties | colorless or light yellow transparent oily liquid. Can dissolve ethyl cellulose, polystyrene, and acetyl chloroacetic acid. Relative density (25 ℃/4 ℃)0.913, suspected solid point -55 ℃, boiling point 377 ℃, Flash Point (opening) 215 ℃, refractive index 1. 449, viscosity (20 degrees C) 19.9mPa-s. Soluble Alcohols, Ketones, Esters, hydrocarbons, chlorinated hydrocarbons, organic solvents, insoluble in water and glycols. Can be mixed with ethyl cellulose, polystyrene, polyethylene, polyvinyl chloride, etc.. Good cold resistance. Flammable, non-toxic; LD50 12800 ~ 29600mg/kg. |
| Use | Used as a good plasticizer used as a low-temperature plasticizer. Also used in steam-injected engine synthetic lubricating oil. |
Dioctyl sebacate - Upstream Downstream Industry
| Raw Materials | 2-Ethyl-1-hexanol Sebacic acid Decanoic acid 1-Octanol |
Dioctyl sebacate - Reference Information
| freezing point | -48 ℃ |
| LogP | 10.23 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | dioctyl sebacate is a light yellow or colorless transparent liquid. Color (APHA) is less than 40. Freezing point -40 ℃, boiling point 377 ℃(0.1MPa), 256 ℃(0.67kPa). Relative density 0.912(25 ℃). The refractive index is 1.449~1.451(25 ℃). The ignition point is 257 ℃ ~ 263 ℃. Viscosity 25mPa • s(25 ℃). Insoluble in water, soluble in organic solvents such as hydrocarbons, alcohols, ketones, esters, chlorinated hydrocarbons, ethers, etc. It has good compatibility with polyvinyl chloride, nitrocellulose, ethyl cellulose and other resins and chloroprene rubber.. Its plasticizing efficiency is high, low volatility, not only has excellent cold resistance, but also has good heat resistance, light resistance and electrical insulation, and has good lubricity when heated, so that the product has a good appearance and feel. It is especially suitable for making cold-resistant wire and cable materials, artificial leather, films, plates, sheets, etc. The US FDA permits plastic film plasticized by dioctyl sebacate to be used in food packaging materials. |
| Application | Dioctyl sebacate is one of the excellent varieties of cold-resistant plasticizers, suitable for polyvinyl chloride, vinyl chloride copolymer, cellulose resin and synthetic rubber, etc. Polymer products have the characteristics of high plasticizing efficiency, low volatility, cold resistance, heat resistance, good light resistance and certain electrical insulation, it is especially suitable for use in cold-resistant wires and cables, artificial leather, plates, sheets, films and other products. Due to the large mobility, easy to be extracted by hydrocarbon solvents, not resistant to water and limited compatibility with the base resin, it is often used as an auxiliary plasticizer and phthalic acid main plasticizer. |
| use | mainly used as low-temperature plasticizer used as an excellent plasticizer used as a low-temperature plasticizer. It is also used as a synthetic lubricating oil for steam injection engines. |
Last Update：2024-04-10 22:29:15
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Raw Materials for Dioctyl sebacate