Views: 0 Author: Site Editor Publish Time: 2026-04-28 Origin: Site
Diisononyl Phthalate (abbreviated as DINP) is a high-performance, general-purpose plasticizer belonging to the phthalate ester family. It is widely used to impart flexibility and durability to polyvinyl chloride (PVC) products
Basic Information:
●Chemical Formula: C₂₆H₄₂O₄
●Appearance: Colorless transparent oily liquid.
●Properties: DINP has good compatibility with PVC, low volatility, and excellent heat resistance, light resistance, aging resistance, and electrical insulation properties. Compared to the traditional plasticizer DOP (DEHP), DINP has a higher molecular weight and longer carbon chain, offering better migration resistance, extraction resistance, and high-temperature performance.
●EC-No.:249-079-5
Key Applications:
DINP is one of the most widely used plasticizers globally, primarily serving as a softener for PVC products:
●Wire & Cable: Used for insulation and sheathing of wires and cables, providing good electrical insulation.
●Building & Construction: Used in PVC flooring, wall coverings, artificial leather, and waterproof membranes.
●Consumer Goods: Used in toy films, PVC leather, footwear, edge banding, wigs, and hoses.
●Automotive Industry: Used in automotive interior materials, wiring harnesses, etc.
●Other Applications: Coatings, adhesives, rubber products, and more.
Note: Due to environmental regulations (e.g., EU and California Proposition 65), the use of DINP in toys and childcare articles is restricted in some regions.
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