COA ships with every batch; regulatory items are issued by SGS as a third party.
Di-sec-octyl Phthalate (DCP, CAS 131-15-7) is a versatile general-purpose plasticizer with exceptional compatibility across PVC, rubber, and various polymer systems. Its branched-chain molecular structure provides superior low-temperature flexibility and excellent processing characteristics at various temperature ranges. With ≥99% content, acid value ≤0.30 mgKOH/g, and flash point ≥198°C, DCP delivers consistent performance in PVC products, rubber processing, coatings, adhesives, and synthetic leather applications. As an eco-friendly alternative to some traditional phthalates, DCP offers lower volatility and excellent durability, ensuring long-term product performance in demanding environments.
| Appearance | Transparent liquid |
|---|---|
| Density (g/cm³) | 0.970-0.985 |
| Content (%) | ≥99 |
| Color (APHA) | ≤30 |
| Acid Value (mgKOH/g) | ≤0.30 |
| Volume Resistance (Ω·cm) | ≥1×10¹¹ |
| Flash point (°C) | ≥198 |
| Water Content (%) | ≤0.1 |
One batch, one specification — pick your downstream process for grade advice.
Flexible PVC goods need a plasticizer that is compatible with the compound, processes across the line's temperature range and keeps its durability in service. We match the specification to the hardness target and to the processing temperature.
Rubber compounds need compatibility across a range of polymers, flexibility that holds at low temperature and volatility low enough that the part does not harden or bloom. Hardness target and service temperature decide the plasticizer, and the dosage follows from them.
A coating needs solvency for the resin and a film that stays flexible without staying tacky, and the solvent's evaporation rate sets how long it can flow and level. We match solvent and plasticizer to the formulation and to the cure schedule.
An adhesive keeps its bond only while the film stays flexible, so low volatility matters as much as compatibility with the polymer base. Open time and the ageing the bond has to survive fix the plasticizer, and volatility constrains both.
Coated fabric for furniture upholstery and automotive interiors needs a soft hand feel plus resistance to abrasion and flex fatigue. The plasticizer has to stay in the coating instead of migrating into the backcloth, so the hand feel holds over time.
Five container types; net weight and 20GP loading for each.
Non-hazardous chemical, standard chemical logistics.
Changxing and Wansheng sites in Shandong; continuous esterification and distillation lines.
Every batch tested against the full specification before shipment.
Documents buyers and compliance teams ask for; request any of them.
TDS Specification and test methods 
Batch COA Issued for every batch 
MSDS Transport and storage 
ISO certificates 9001 / 14001 / 45001 / 50001 
On Wednesday, 2 September 2026, manufacturers of PVC film and artificial leather from Sichuan, Zhejiang and Guangdong visited the Wansheng plant, a subsidiary of Shandong Changxing, for an on-site audit of our DOTP and DCP production. When China's own downstream converters travel to verify a plasticizer source, it is the strongest signal of supply reliability we can offer overseas buyers.
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At the China International Leather Exhibition 2026 in Shanghai, Shandong Changxing Group visited downstream Indian leather manufacturing customers, strengthening existing partnerships through recognized product quality and pricing, while establishing new connections with prospective buyers seeking DOTP and DCP plasticizers.
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A Pakistani buyer visited Shandong Changxing for a factory audit on 28 August 2026, sampling DOTP superior, first and qualified grades, DCP and ethylene glycol for Pakistan market testing. The customer indicated a DOTP demand of around 100 tons per month.
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Premium plasticizer for PVC applications with excellent electrical properties and low temperature flexibility
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High-purity chemical intermediate widely used in plasticizer production, solvent applications, and specialty chemical synthesis
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