Hot selling diisobutyl phthalate dibp CAS NO.84-69-5 at low price

Chemical Composition: Diisobutyl phthalate (DIBP) is an ester of phthalic acid and isobutanol. It belongs to the class of phthalate plasticizers, which are widely used to impart flexibility, durability, and resilience to polymer materials.

Structure: The molecular structure of diisobutyl phthalate consists of two isobutyl (2-methylpropyl) groups attached to the ester functional groups of phthalic acid. This configuration provides diisobutyl phthalate with its plasticizing properties, allowing it to intercalate between polymer chains and reduce intermolecular forces, thus increasing flexibility.

Physical Properties: Diisobutyl phthalate is a clear, colorless to pale yellow liquid with a slightly fruity odor. It has a relatively low boiling point and vapor pressure, making it volatile under certain conditions. It is soluble in common organic solvents but only sparingly soluble in water.

Plasticizing Properties: As a plasticizer, diisobutyl phthalate is added to polymer matrices, such as polyvinyl chloride (PVC), to improve their flexibility, elongation, and processability. It acts by reducing the glass transition temperature (Tg) of the polymer, thereby lowering its stiffness and brittleness.

Applications: Diisobutyl phthalate finds widespread use in the manufacturing of flexible PVC products, including vinyl flooring, automotive interiors, wire and cable insulation, and synthetic leather. It is also used as a plasticizer in cellulose acetate butyrate (CAB), nitrocellulose, and other polymer formulations.

Compatibility: Diisobutyl phthalate exhibits good compatibility with a wide range of polymers, including PVC, polyethylene, polypropylene, and polystyrene. It can be incorporated into polymer formulations at various concentrations to achieve the desired level of flexibility and performance.

Regulatory Status: Diisobutyl phthalate is subject to regulatory scrutiny due to concerns about its potential adverse health effects, particularly its classification as a reproductive toxicant and endocrine disruptor. Regulatory agencies such as the European Chemicals Agency (ECHA) and the U.S. Environmental Protection Agency (EPA) impose restrictions on its use in certain applications.

Health and Environmental Concerns: Although diisobutyl phthalate is not as widely studied as other phthalate compounds such as diethylhexyl phthalate (DEHP), there are concerns about its potential health risks, particularly regarding reproductive and developmental toxicity. Efforts are underway to minimize exposure to diisobutyl phthalate and explore alternative plasticizers with improved safety profiles.

Substitution and Alternatives: Due to regulatory pressure and consumer demand for safer alternatives, manufacturers are exploring the use of non-phthalate plasticizers, bio-based plasticizers, and alternative polymer formulations. These efforts aim to reduce reliance on diisobutyl phthalate and other potentially hazardous chemicals in consumer products.

Risk Management and Mitigation: Manufacturers and regulators employ various risk management measures to mitigate potential health and environmental risks associated with diisobutyl phthalate, including substitution, exposure reduction, product labeling, and monitoring of occupational and environmental exposure levels.