Sharjah Chemicals is leading Supplier, Manufacture and Exporter of Diisobutyl Phthalate in Sharjah UAE, Al Qusais, Deira, Saif Zone, Fujairah,Dubai, Abudhabi, Ajman, Diera, UAE Middle East, Al Quoz, Jebel Ali, Umm Al Quawain, Ras Al Khaimah, Masafi, Khor Fakkan, Al Hayl, Al Ain, Ras Al Khor Industrial Area, Al khubaisi,  Um Ramool Industrial Area, Al Qusais Industrial Area,  Jebel Ali.

Diisobutyl Phthalate (DIBP) is prepared by esterification process of isobutanol and phthalic anhydride. Its structural formula is C6H4(COOCH2CH(CH3)2)2.
DIBP is an odorless plasticizer and has excellent heat and light stability. It is the lowest cost plasticizer for cellulose nitrate. DIBP has lower density and freezing point than the related compound dibutyl phthalate (DBP). Othewise, it has similar properties DBP and can often be used as a substitute for it. Its refractive index is 1.488–1.492 (at 20 °C, D).


Appearance Colorless viscous liquid
Density 1.038 g/cm3
Melting Point −37 °C (−35 °F; 236 K)
Boling Ponit 320 °C (608 °F; 593 K)
Solubility in Water 1 mg/l at 20 °C
Log P 4.11
Vapor Pressure 0.01 Pa at 20 °C


  • Diisobutyl phthalate is often added to polyvinyl chloride as a plasticizer in order to improve it material characteristics. Diisobutyl phthalate does not polymerize when added to PVC and allows for PVC molecules to slide along one another without tangling. The ability to avoid the polymers from becoming entangled will increase the flexibility of the PVC, making it more suitable for a number of applications. Vinyl fabrics and raincoats are examples of how Diisobutyl phthalate will increase the flexibility of PVC.
  • Diisobutyl phthalate is entirely composed of carbon, oxygen and hydrogen making it ideal for combustion reactions. Diisobutyl phthalate is used as a stabilizer within solid rocket propellant as Diisobutyl phthalate readily contributes molecules to sustain the combustion reaction at elevated temperatures.

Available Packing Size:  200 Ltr.

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