Description

Diisobutyl Phthalate (DIBP) is a high-purity phthalate ester plasticizer, a key chemical intermediate for modifying the physical properties of polymers. Its primary value lies in its excellent solvating power and compatibility with a wide range of resins, providing enhanced flexibility and processability to finished products. This compound is essential for manufacturers in the plastics, coatings, and adhesives industries seeking reliable performance additives.

Application

• Primary plasticizer for polyvinyl chloride (PVC), cellulose acetate, and other synthetic resins.
• Solvent and coalescing agent in specialty paints, coatings, and printing inks.
• Additive in adhesive formulations to improve film flexibility and tack.
• Dielectric fluid component in capacitors and other electrical applications.
• Lubricant additive and processing aid in polymer manufacturing.
• Raw material for the synthesis of other specialty chemical compounds.

Basic Information

Product Name	Diisobutyl Phthalate
CAS No.	84-69-5
Molecular Formula	C16H22O4
Molecular Weight	278.34 g/mol
Synonyms	DIBP; 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester; Phthalic acid, diisobutyl ester; Diisobutyl 1,2-benzenedicarboxylate; Bis(2-methylpropyl) phthalate; Isobutyl phthalate; NSC 15316
EINECS	201-553-2

Quality Control

Our Diisobutyl Phthalate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and physical properties. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, and moisture content are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Acid Value (mg KOH/g)	≤ 0.10
Color (APHA)	≤ 30
Moisture (KF)	≤ 0.10%
Specific Gravity (20/20°C)	1.038 - 1.042
Refractive Index (20°C)	1.488 - 1.492

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.