The IUPAC name of Diisobutyl phthalate is bis(2-methylpropyl) benzene-1,2-dicarboxylate. With the CAS registry number 84-69-5, it is also named as 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester. The product's categories are Functional Materials; Phthalates (Plasticizer); Plasticizer; Plasticizers; Polymer Additives; Polymer Science; C12 to C63; Carbonyl Compounds; Esters. Besides, it is oily colorless liquid with a slight ester odor, which should be stored in a cool, dark and well ventilated warehouse. It reacts with acids to liberate heat along with isobutyl alcohol and phthalic acid. In addition, its molecular formula is C₁₆H₂₂O₄ and molecular weight is 278.34.

The other characteristics of this product can be summarized as: (1)EINECS: 201-553-2; (2)ACD/LogP: 4.46; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): 4.46; (5)ACD/LogD (pH 7.4): 4.46; (6)ACD/BCF (pH 5.5): 1437.95; (7)ACD/BCF (pH 7.4): 1437.95; (8)ACD/KOC (pH 5.5): 6337.4; (9)ACD/KOC (pH 7.4): 6337.4; (10)#H bond acceptors: 4; (11)#H bond donors: 0; (12)#Freely Rotating Bonds: 8; (13)Index of Refraction: 1.496; (14)Molar Refractivity: 77.51 cm³; (15)Molar Volume: 265 cm³; (16)Surface Tension: 36.2 dyne/cm; (17)Density: 1.05 g/cm³; (18)Flash Point: 153.9 °C; (19)Melting point: -64 °C; (20)FreezingPoint: -50 °C; (21)Enthalpy of Vaporization: 53.5 kJ/mol; (22)Boiling Point: 295.3 °C at 760 mmHg; (23)Vapour Pressure: 0.00154 mmHg at 25 °C.

Preparation of Diisobutyl phthalate: this chemical can be prepared by the esterification of Phthalic anhydride and Isobutanol. This reaction is catalyzed by H₂SO₄.

Uses of Diisobutyl phthalate: this chemical is the lowest cost plasticizer for cellulose nitrate. And it can be used in nitro cellulose plastic, nail polish, explosive material, lacquer manufacturing.

When you are using this chemical, please be cautious about it as the following: it is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.It is also risk of impaired fertility. And it is possible risk of harm to the unborn child. You should wear suitable protective clothing and gloves. Besides, this material and its container must be disposed of as hazardous waste. Please avoid release to the environment, and refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
(1)SMILES: O=C(OCC(C)C)c1ccccc1C(=O)OCC(C)C
(2)InChI: InChI=1/C16H22O4/c1-11(2)9-19-15(17)13-7-5-6-8-14(13)16(18)20-10-12(3)4/h5-8,11-12H,9-10H2,1-4H3
(3)InChIKey: MGWAVDBGNNKXQV-UHFFFAOYAA

The toxicity data is as follows: