For R&D scientists and product formulators, a deep understanding of the chemical profiles of raw materials is essential for innovation and product development. Isodecyl Diphenyl Phosphate (DPDP), with its CAS number 29761-21-5, is a sophisticated additive that offers a unique blend of properties, making it invaluable in modern polymer science. This article provides an in-depth look at DPDP's chemical characteristics and its extensive applications. As a dedicated manufacturer, we provide precise technical data to support your development efforts.

Chemically, DPDP is an organophosphate ester. Its molecular formula is C₂₂H₃₁O₄P, and its molecular weight is approximately 390.45 g/mol. The physical appearance is typically a colorless transparent liquid, indicating high purity and minimal impurities, which is crucial for predictable performance in sensitive applications. Key physical parameters include a specific gravity of 1.070-1.080 at 20°C and a viscosity of 25-30 mPas at 25°C. These properties contribute to its ease of handling and integration into various polymer matrices. The acid value is kept to a maximum of 0.1 mgKOH/g, signifying excellent hydrolytic stability.

The primary functional attributes of DPDP are its capabilities as a flame retardant and a plasticizer. Its flame retardant mechanism involves disrupting the combustion cycle, contributing to self-extinguishing properties in materials. This is complemented by its plasticizing effect, which enhances flexibility and processing ease. A standout feature is its low volatility, ensuring that these benefits are long-lasting and not compromised by additive migration. This permanence is a critical factor when aiming to buy additives that contribute to durable end products.

DPDP's applications span a wide range of polymers, including Polycarbonate (PC), Polyvinyl Chloride (PVC), Polyvinyl Acetate (PVA), Cellulose Acetate (CA), Cellulose Acetate Butyrate (CAB), Cellulose Nitrate (CN), Ethyl Cellulose (EC), Epoxy resins, Phenolic resins, Nitrile resins, Acrylic resins, and Vinyl resins. Its excellent cold resistance in PVC, comparable to traditional plasticizers like DOP but with added flame retardancy, makes it particularly suitable for applications such as wire and cable insulation, automotive parts, and consumer goods. As a reliable supplier, we ensure consistent quality for all these diverse uses.

For companies seeking high-quality DPDP, sourcing from reputable manufacturers in China offers distinct advantages, including competitive prices and reliable supply chains. We encourage you to reach out for a detailed technical data sheet (TDS) and a comprehensive quote. Understanding the chemical profile of DPDP allows formulators to leverage its full potential, leading to safer, more durable, and higher-performing polymer products. Partner with us to secure this advanced material for your manufacturing needs.