Chemical Name: Dioctyl phthalate
CAS RN: 117-81-7
Formula: C
24
H38O4
M.W.:390.5
HS code:
Structure:
Properties: It is oily transparent liquid with slight smell. It has good compatibility with PVC, synthetic resins, cellulose nitrate and rubbers. Melting point:-55 ℃, boiling point: 386.9 ℃, 222-230 ℃ (0.53 kPa), the relative density: 0.986 (20 / 4 ℃), the refractive index: 1.4852, flash point: 217 ℃, ignition point: 241 ℃, viscosity: 81.4 mPa • s, vapor pressure (200 ℃):176 Pa. At 25 ℃ solubility of the goods in the water <0.01%, solubility of water in this goods is 0.2%. Soluble in most organic solvents and hydrocarbons, slightly soluble in glycerine, ethylene glycol. It has good compatibility with the majority of industrial resin.
Quality Indicators:
Index name |
Best quality |
First quality |
Qualifier |
Appearance: |
transparent oily liquid,no suspended solid |
Colority(Pt-Co) ≤ |
30 |
40 |
120 |
Ester content%≥ |
99.5 |
99.0 |
99.0 |
Acidity %(Terephthalic acid) |
0.015 |
0.015 |
0.020 |
Density(20οC)g/cm3 |
0.982-0.988 |
Heating loss % ≤ |
0.2 |
0.3 |
0.5 |
Moisture,% ≤ |
0.1 |
Volume resistivity: Ω.m ≥ |
1.0×1011 |
Flash point ℃ ≥ |
195 |
190 |
Uses: Widely used in the processing of PVC soft plastic products, such as film, artificial leathers, wires, cables etc.
Package, Storage: In tank car or iron drum. In storage tank or iron drum, avoid moisture. |