DIDP (Diisodecyl Phthalate, CAS 26761‑40‑0) is a high‑molecular‑weight primary phthalate plasticizer. It features low volatility and excellent high‑temperature ageing resistance for flexible PVC. This industrial‑grade plasticizer reduces fogging risk for interior components, and it is primarily formulated for PVC cable insulation and automotive interior polymer parts. It supports stable bulk supply for industrial compounders worldwide.

Product Detail

Product Detail Page

Chemical IdentityCommon Name: Diisodecyl Phthalate Synonym: DIDP CAS No.: 26761‑40‑0 EINECS No.: 247‑977‑1 Molecular Formula: C₂₈H₄₆O₄ Molecular Weight: 446.68

Typical Technical DataAppearance: Clear viscous oily liquid, colorless to pale‑yellow Purity: ≥99.0% APHA Color: ≤40 Specific Gravity (20℃): 0.964‑0.974 Refractive Index (20℃): 1.482‑1.488 Flash Point (COC): ≥215℃ Acid Value (mgKOH/g): ≤0.10 Volatile Matter: ≤0.20% Moisture: ≤0.10%

Key Features & Advantages

Extremely low volatility reduces plasticizer loss under sustained high‑temperature service
Excellent thermal‑ageing performance helps finished PVC retain flexibility in hot environments
Suppresses interior fogging for automotive plastic components inside vehicle cabins
Good compatibility with PVC resin for extrusion and calendering processing
Suitable for long‑life flexible PVC compounds used in heavy‑duty industrial applications

ApplicationsCable & WireUsed as primary plasticizer for PVC insulation and sheathing of electrical cables, delivering stable heat‑resistant performance for wiring exposed to moderate continuous heat.

Automotive Interior ComponentsFormulated for automotive interior PVC parts including dashboard soft trim, door panel vinyl and interior sheeting, lowering fogging risk inside enclosed vehicle cabins.

Industrial Flexible PVC ArticlesApplied for heavy‑duty industrial vinyl sheets and profiles that require long‑term thermal ageing resistance under elevated operating temperature.

Packaging, Storage & Shelf LifePacked in 200 kg steel drums. Store in cool, dry and well‑ventilated warehouse with drums tightly sealed. Keep away from direct sunlight, high‑heat sources and strong oxidizing agents. Under proper storage conditions, shelf life is 12 months.

Compliance NoteNot intended for toys, childcare articles or food‑contact applications where restricted by REACH / CPSC.

Why Choose JSY

Stable and consistent industrial‑grade quality complying with standard commercial specification
Reliable large‑volume bulk supply for recurring overseas industrial customer orders
Complete set of export documents including MSDS, COA and packing list
Established supply experience for Southeast Asia, Middle East and Latin‑American industrial clients

Previous : DBP Plasticizer CAS 84-74-2, Dibutyl Phthalate Low-Viscosity Fast-Fusing for PVC Nitrocellulose Adhesive Next : Polyester Plasticizer MW 1600, Adipate Polyol Low-Migration Oil-Resistant for PVC Automotive Sealant

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DIDP Plasticizer, Diisodecyl Phthalate High-Temp Low-Volatility for Cable Automotive Interior

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.