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Technical Specifications | |
Parameter | Specification |
Product Name | Dioctyl Phthalate (DOP) |
Synonym | Bis(2-ethylhexyl) phthalate; DEHP; DOP oil |
CAS Number | 117-81-7 |
EINECS Number | 204-211-0 |
Molecular Formula | C₂₄H₃₈O₄ |
Molecular Weight | 390.30 g/mol |
Ester Content (wt%) | ≥99.5% (Min) |
Grade | Industrial Grade / General-Purpose Grade |
Appearance | Colorless transparent oily liquid, free of visible impurities |
Color (APHA, Pt-Co) | ≤30 |
Density (20°C) | 0.982–0.988 g/cm³ |
Acid Value (mg KOH/g) | ≤0.01 |
Moisture Content | ≤0.05 wt% |
Volume Resistivity | ≥1 × 10⁹ Ω·m |
Refractive Index (25°C) | 1.484 ± 0.005 |
Flash Point (COC) | ≥210°C |
Heat Loss (125°C, 3h) | ≤0.2 wt% |
Viscosity (mPa·s, 20°C) | 78–82 |
Packaging Options | 200L Iron Drums (200 kg net), 1000L IBC Totes (1000 kg net), ISO Flexitanks (23 MT), Bulk Vessel |
Dioctyl Phthalate (DOP), systematically named bis(2-ethylhexyl) phthalate and identified by CAS 117-81-7, is the most widely consumed general-purpose phthalate ester plasticizer in the global polymer processing industry. As a premier DOP manufacturer and supplier, we deliver high purity (≥99.5% ester content) industrial-grade dioctyl phthalate manufactured under rigorous quality control protocols to ensure consistent plasticizing efficiency, excellent low-temperature flexibility, and outstanding compatibility with a broad range of resin systems. |
DOP remains the benchmark plasticizer for flexible PVC compounding worldwide, valued for its exceptional balance of performance, processability, and cost-effectiveness. With good mixing performance, high plasticizing efficiency, low volatility, excellent low-temperature softness, superior water resistance, high electrical performance, and robust heat and weather resistance, DOP CAS 117-81-7 delivers reliable, predictable results across diverse polymer processing operations. |
Our DOP plasticizer is a colorless transparent oily liquid with tightly controlled acid value (≤0.01 mg KOH/g), minimal moisture content (≤0.05 wt%), and excellent volume resistivity (≥1 × 10⁹ Ω·m) — critical parameters for high-quality flexible PVC production. Available for bulk supply and wholesale procurement, our factory-direct pricing structure eliminates intermediary markups, providing PVC compounders, rubber processors, and industrial distributors with a decisive cost advantage. |
