Appearance and properties: colorless liquid with special odor
PH value: neutral
Freezing point (℃): -55
Relative density (water = 1): 0.983 (20 ° C)
Boiling point (° C): 372.5
Relative vapor density (air = 1): None
Saturated vapor pressure (kPa): 0.143kPa / 200 ℃
Combustion heat (kcal / mol): None
Critical temperature (℃): None
Critical pressure (MPa): None
Logarithm of octanol / water partition coefficient: None
Flash point (℃): ≥200
Ignition point (° C): 241
Refractive index: 1.4852
Lower explosion limit% (V / V): 0.15 ～ 0.18
Solubility: The solubility of this product in water is <0.01% and the solubility of water in this product is 0.2% at 25 ° C. Soluble in most organic solvents
Agents and hydrocarbons, slightly soluble in glycerol and ethylene glycol. Good compatibility with most industrial resins. With acetate
Vitamins; polyvinyl acetate is partially compatible.
Main use: used in plastics, rubber, paints and lubricants, emulsifiers and other industries
Other physical and chemical properties: Viscosity: 62.9mPa · S (25 ° C)
DOP dioctyl phthalate, full name dioctyl phthalate, is a commonly used plasticizer with a chemical formula of C24H38O4. In its molecular structure, there are two ester groups that interact with each other through the conjugation of phthalic acid. It is a colorless, transparent liquid with good solubility and plasticizing properties. It is often used as a plasticizer for various synthetic resins such as PVC (polyvinyl chloride). It can improve the flexibility and processability of plastics through dissolution and penetration.
DOP dioctyl phthalate is a widely used plasticizer, and its main uses include:
1. Plasticizer for PVC products: DOP is a commonly used PVC plasticizer, which can be used to prepare PVC pipes, sheets, films, artificial leather, floor materials, etc.
2. Rubber plasticizer: DOP can be used as a plasticizer for rubber to improve the flexibility and processability of rubber.
3. Ink manufacturing: DOP can be used as a plasticizer and leveling agent in ink manufacturing, and can also be used to synthesize oil dyes.
4. Pharmaceutical manufacturing: DOP is also used in pharmaceutical manufacturing, such as preparing coating agents for certain oral drugs.
5. Cable insulation materials: DOP can be used in the preparation of cable insulation materials to improve the flexibility and processability of cables.
6. Other applications: DOP can also be used in synthetic fragrances, lubricants, softeners, plastic welding agents, etc.
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