Diisooctyl phthalate
- CAS NO.：27554-26-3
- Empirical Formula: C24H38O4
- Molecular Weight: 390.56
- MDL number: MFCD00036241
- EINECS: 248-523-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is Diisooctyl phthalate?
Chemical properties
The empirical formula of diisooctyl phthalate (DIOP) is C24H38O4. The structural formula of DIOP varies because the iso-alcohols used in the manufacture contain several isomers. DIOP is insoluble in water, but it is soluble in organic solvents.
The Uses of Diisooctyl phthalate
Diisooctyl Phthalate can be used as a plasticizer.
The Uses of Diisooctyl phthalate
Its major use is as a plasticizer.
Production Methods
DIOP is manufactured by the reaction of phthalic anhydride with isooctanol in the presence of an acid catalyst.
Definition
ChEBI: Diisooctyl phthalate is a phthalate ester and a diester.
General Description
Oily colorless liquid with a slight ester odor. Denser than water. Insoluble in water.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Diisooctyl phthalate reacts exothermically with acids to generate isooctyl alcohol and phthalic acid. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by interaction with caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides. Can generate electrostatic charges. [Handling Chemicals Safely, 1980. p. 250].
Health Hazard
Produces no ill effects at normal temperatures but may give off irritating vapor at high temperature.
Fire Hazard
Special Hazards of Combustion Products: None
Properties of Diisooctyl phthalate
| Melting point: | -4°C |
| Boiling point: | 435.74°C (rough estimate) |
| Density | 0.983 g/mL at 25 °C(lit.) |
| vapor pressure | 1 mm Hg ( 200 °C) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Refrigerator, under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Oil |
| color | Colourless |
| Water Solubility | 40ug/L(25 ºC) |
| CAS DataBase Reference | 27554-26-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2-Benzenedicarboxylic acid, diisooctyl ester(27554-26-3) |
| EPA Substance Registry System | Diisooctyl phthalate (27554-26-3) |
Safety information for Diisooctyl phthalate
Computed Descriptors for Diisooctyl phthalate
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