Dibutyl Phthalate (DBP), chemical formula C16H22O4 and CAS number 84-74-2, is a chemical compound predominantly known for its function as a plasticizer. Its characteristic appearance is a colorless, oily liquid, and it possesses a faint aromatic odor. As a key component in the chemical industry, DBP enhances the flexibility, softness, and processability of various materials, making it a sought-after additive for manufacturers worldwide. Understanding its properties and applications is vital for R&D scientists and procurement professionals.

The production of Dibutyl Phthalate involves reacting n-butanol with phthalic anhydride. This process yields a compound that is miscible with most organic solvents but exhibits very low solubility in water. This characteristic makes it suitable for applications where water resistance is not a primary concern, but flexibility and compatibility with other organic components are crucial.

Widespread Industrial Use of Dibutyl Phthalate

The primary market for Dibutyl Phthalate lies in its use as a plasticizer for polymers, most notably Polyvinyl Chloride (PVC). The addition of DBP to PVC formulations significantly improves its elasticity and reduces its rigidity, enabling its use in a vast range of products:

  • Polymer Modification: DBP is instrumental in making PVC flexible for applications like flooring, wire insulation, and automotive components.
  • Printing Inks: It functions as a solvent and plasticizer in printing inks, ensuring good adhesion and flexibility of the printed film.
  • Adhesives and Sealants: DBP enhances the workability and performance of adhesives and sealants, providing necessary pliability.
  • Coatings and Films: Used in various coatings and lacquers to improve film integrity and prevent cracking.

While historically used in some cosmetic products like nail polish, regulatory shifts have impacted its presence in this sector. However, its industrial demand remains robust, driving the need for reliable sourcing strategies.

Strategic Sourcing and Purchasing DBP

For companies looking to buy Dibutyl Phthalate, securing a consistent and high-quality supply is paramount. Investigating the DBP price from various manufacturers and suppliers, particularly those based in China, can offer competitive advantages. A reputable supplier will provide essential documentation such as a Certificate of Analysis (CoA) confirming purity and specifications, along with a Safety Data Sheet (SDS). Procurement managers should aim to partner with suppliers who can guarantee timely delivery and possess strong technical support. Exploring bulk purchase options can further optimize costs for companies with significant DBP requirements.