Phthalic Acid (CAS 88-99-3): Key Industrial Intermediate for Plasticizers, Dyes, and Resins

Discover the essential role of Phthalic Acid (CAS 88-99-3) as a fundamental industrial chemical. As a leading supplier, we provide high-purity Phthalic Acid, crucial for manufacturing plasticizers, dyes, polyester resins, and more, driving innovation across industries.

Get a Quote & Sample

Advantages of Sourcing Phthalic Acid from Us

Uncompromising Purity & Quality

Our industrial-grade Phthalic Acid boasts ≥99% purity, guaranteed through rigorous testing. This ensures consistent results and optimal performance in your downstream applications, making us a trusted supplier.

Versatile Application Spectrum

From enhancing plastic flexibility to enabling vibrant dye formulations and durable resin synthesis, Phthalic Acid is a foundational chemical. We supply this key intermediate to diverse industries, understanding its broad utility.

Competitive Pricing & Reliable Supply

As a dedicated manufacturer and supplier, we offer competitive pricing for Phthalic Acid. Secure a stable supply chain with our robust production capacity and efficient logistics, ensuring you can buy with confidence.

Key Applications of Phthalic Acid

Plasticizers

Phthalic acid is primarily used to produce phthalate esters (phthalates), crucial plasticizers that impart flexibility, transparency, and durability to polymers like PVC. These are vital for products such as wire insulation, flooring, and medical devices.

Dyes and Pigments

It serves as a key intermediate in the synthesis of various dyes, including phenolphthalein and phthalocyanine pigments, contributing to the vibrant coloration of textiles, plastics, and printing inks.

Polyester Resins

Phthalic acid is a fundamental component in the production of alkyd and polyester resins, widely used in the manufacturing of paints, coatings, adhesives, and varnishes due to their excellent film-forming and adhesive properties.

Other Chemical Synthesis

It is also used in the production of saccharin, perfumes, and various other organic chemicals, demonstrating its broad utility as a chemical synthesis raw material.