Diisooctyl phthalate
- CAS No.
- 27554-26-3
- Chemical Name:
- Diisooctyl phthalate
- Synonyms
- Isooctyl phthalate;alkylphthalates;Diisooctyl phthalate (DIOP);Bis(6-methylheptyl) phthalate;Corflex 880;Morflex 100;Hexaplas M/O;Witcizer 313;BISOFLEXDIOP;Palatinol D10
- CBNumber:
- CB6691343
- Molecular Formula:
- C24H38O4
- Molecular Weight:
- 390.56
- MDL Number:
- MFCD00036241
- MOL File:
- 27554-26-3.mol
- MSDS File:
- SDS
| Melting point | -4°C |
|---|---|
| Boiling point | 435.74°C (rough estimate) |
| Density | 0.983 g/mL at 25 °C(lit.) |
| Pour Point | -46 |
| 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 |
| Viscosity | 57cp (25C) |
| Water Solubility | 40ug/L(25 ºC) |
| Henry's Law Constant | 3.1×10-1 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| LogP | 8.516 (est) |
| CAS DataBase Reference | 27554-26-3(CAS DataBase Reference) |
| FDA 21 CFR | 181.27 |
| Indirect Additives used in Food Contact Substances | DIISOOCTYL PHTHALATE |
| EWG's Food Scores | 1 |
| FDA UNII | 6A121LGB40 |
| NIST Chemistry Reference | 1,2-Benzenedicarboxylic acid, diisooctyl ester(27554-26-3) |
| EPA Substance Registry System | Diisooctyl phthalate (27554-26-3) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H360FD | |||||||||
| Hazard Codes | Xn,T | |||||||||
| Risk Statements | 62-63-61-60 | |||||||||
| Safety Statements | 23-36/37-24/25-2-45-53 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | TI1300000 | |||||||||
| TSCA | TSCA listed | |||||||||
| Hazardous Substances Data | 27554-26-3(Hazardous Substances Data) | |||||||||
| Toxicity | mouse,LD50,oral,2769mg/kg (2769mg/kg),Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 17(11), Pg. 51, 1973. | |||||||||
| NFPA 704 |
|
Diisooctyl phthalate price More Price(23)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Biosynth | CBA55426 | Diisooctyl Phthalate | 27554-26-3 | 0.5kg | $725 | 2026-06-04 | Buy |
| Biosynth | CBA55426 | Diisooctyl Phthalate | 27554-26-3 | 1kg | $1087.5 | 2026-06-04 | Buy |
| Biosynth | CBA55426 | Diisooctyl Phthalate | 27554-26-3 | 2kg | $1450 | 2026-06-04 | Buy |
| Biosynth | CBA55426 | Diisooctyl Phthalate | 27554-26-3 | 5kg | $2610 | 2026-06-04 | Buy |
| ChemScene | CS-0138256 | Diisooctyl phthalate ≥97% | 27554-26-3 | 500g | $300 | 2026-06-04 | Buy |
Diisooctyl phthalate Chemical Properties, Uses, Production
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.
Uses
Its major use is as a plasticizer.
Uses
Diisooctyl Phthalate can be used as a plasticizer.
Definition
ChEBI: Diisooctyl phthalate is a phthalate ester and a diester.
Production Methods
DIOP is manufactured by the reaction of phthalic anhydride with isooctanol in the presence of an acid catalyst.
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
Diisooctyl phthalate Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Tianjin heowns Biochemical Technology Co., Ltd. | 400 638 7771 | sales@heowns.com | China | 14412 | 57 |
| Chengdu Ai Keda Chemical Technology Co., Ltd. | 4008-755-333 18080918076 | 800078821@qq.com | China | 9706 | 55 |
| TargetMol Chemicals Inc. | 021-021-33632979 15002134094 | marketing@targetmol.com | China | 7993 | 58 |
| TianJin Alta Scientific Co., Ltd. | 022-65378550-8551 | contact@altascientific.com | China | 2772 | 58 |
| RiZhao LiDeShi Chemical Co., Ltd. | 010-51268198 | leadershipchem@126.com | China | 2541 | 58 |
View Latest Price from Diisooctyl phthalate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-05-28 | Diisooctyl phthalate
27554-26-3
|
$10.00 | 1KG | 99.% | 10 ton | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2025-07-29 | Diisooctyl phthalate
27554-26-3
|
$6.00 | 1kg | 99% | 2000KG/Month | HebeiShuoshengImportandExportco.,Ltd | |
 |
2025-04-15 | Diisooctyl Phthalate
27554-26-3
|
$20.00-65.00 | 1kg | 99% | 20ton | Hebei Zhuanglai Chemical Trading Co.,Ltd |
-
- Diisooctyl phthalate
27554-26-3
- $10.00
- 99.%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- Diisooctyl phthalate
27554-26-3
- $6.00
- 99%
- HebeiShuoshengImportandExportco.,Ltd
-
- Diisooctyl Phthalate
27554-26-3
- $20.00-65.00
- 99%
- Hebei Zhuanglai Chemical Trading Co.,Ltd
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