What is DINP (Diisononyl Phthalate)?
Diisononyl Phthalate (DINP) is a premier high-molecular-weight phthalate widely recognized as a versatile general-purpose plasticizer. It is engineered to provide exceptional flexibility and durability to polyvinyl chloride (PVC) and other copolymers. Unlike lower-weight alternatives, DINP offers an optimal balance of processability and permanence, making it essential for demanding industrial applications ranging from wire and cable coatings to heavy-duty flooring.
The Gotrays Standard of Purity
We understand that consistency is critical in chemical manufacturing. Our DINP is produced to meet rigorous standards, ensuring it integrates seamlessly into your production line without compromising quality. By maintaining a purity level of $ge 99.5%$, we deliver a product that enhances the performance and lifespan of your end materials.
Why manufacturers choose our DINP:
- High Purity: Guaranteed $ge 99.5%$ for predictable formulation results.
- Versatility: Ideally suited for plastisols, flexible PVC, and synthetic leather.
- Stability: Offers excellent heat stability and superior electrical insulation properties compared to standard plasticizers.
Technical Specifications & Physical Properties
At Gotrays, we prioritize consistency and purity in our chemical manufacturing. Our Diisononyl Phthalate (DINP) is a high-performance general-purpose plasticizer identified by CAS 28553-12-0. It appears as a clear, transparent oily liquid, free from visible mechanical impurities, making it easy to blend into various PVC formulations.
We strictly adhere to ISO quality control standards to ensure that every batch meets the rigorous demands of industrial applications. Our specifications guarantee low volatility and high stability, which are critical for processing efficiency.
DINP Data Sheet
Below are the standard physical properties and technical specifications for our industrial-grade DINP:
| Property | Specification |
|---|---|
| Appearance | Transparent oily liquid |
| Purity (Ester Content) | ≥ 99.5% |
| Density (20°C) | 0.972 – 0.977 g/cm³ |
| Color (Pt-Co) | ≤ 20 |
| Flash Point | ≥ 200°C |
| Acidity | ≤ 0.01 mg KOH/g |
| Moisture Content | ≤ 0.1% |
| Refractive Index (25°C) | 1.482 – 1.485 |
Key Quality Indicators:
- High Purity: With ≥ 99.5% purity, we ensure minimal impurities that could degrade polymer performance.
- Low Acidity: An acidity level of ≤ 0.01 mg KOH/g protects your equipment from corrosion and improves the electrical insulation properties of the final product.
- Stability: The high flash point (≥ 200°C) ensures safety during high-temperature processing.
Key Performance Advantages of Gotrays DINP
When we manufacture DINP, we focus on creating a plasticizer that outperforms standard options in critical environments. Our product offers distinct benefits that improve both the manufacturing process and the lifespan of your finished goods. By choosing Gotrays, you get a reliable additive designed to handle the stress of industrial applications.
Here is why our DINP stands out:
- Low Volatility Plasticizer: Our DINP exhibits significantly lower volatility compared to DOP. This results in less weight loss during high-heat processing and superior permanence, extending the service life of the final product.
- Cold Flex Properties: We ensure our DINP provides excellent low-temperature flexibility. It prevents PVC from becoming brittle or cracking in freezing conditions, making it essential for outdoor durability.
- Wire and Cable Insulation: With high volume resistivity and exceptional heat stability, our DINP is optimized for electrical applications, ensuring safe and durable cable sheathing.
- Anti-Migration & Efficiency: The chemical structure ensures better compatibility with PVC. This anti-migration feature keeps the surface of your product clean and improves processing efficiency, allowing for smoother extrusion and molding.
Common Industrial Applications for DINP
As a versatile general-purpose plasticizer, our DINP is the workhorse behind a wide range of durable flexible PVC products. Manufacturers globally rely on it because it offers better permanence and aging resistance than standard DOP, making it ideal for applications requiring a longer service life.
Wire and Cable Compounds
We supply DINP heavily for wire and cable insulation and sheathing. Its excellent electrical insulation properties and heat stability make it a top choice for cabling that needs to withstand electrical stress and environmental wear without becoming brittle.
Flexible PVC Flooring and Construction
In the construction sector, durability is non-negotiable. DINP provides the low volatility needed for flexible PVC flooring and wall coverings. This ensures the material resists shrinking and maintains its flexibility over years of heavy foot traffic.
Synthetic Leather and Coated Fabrics
For artificial leather, texture and longevity are critical. Our DINP acts as a vital synthetic leather additive, ensuring coated fabrics remain soft to the touch while resisting cracking and aging. It creates a high-quality finish for furniture, upholstery, and fashion accessories.
Automotive Parts and Footwear
From automotive parts like underbody coatings to rugged shoe soles, DINP delivers the mechanical strength required for daily abuse. Its superior low-temperature flexibility ensures that products like hoses and footwear don’t crack in cold weather.
DINP vs DOP: A Comparative Analysis
When deciding between DINP vs DOP, the choice often comes down to long-term performance and processing efficiency. While DOP has been the industry standard for years, our DINP (Diisononyl Phthalate) offers distinct advantages that make it a superior choice for demanding applications.
Volatility Differences and Product Lifespan
The molecular structure of DINP is heavier than DOP, resulting in significantly low volatility. This is crucial for product longevity and processing stability:
- Reduced Weight Loss: Less plasticizer evaporates during high-temperature processing (calendering or extrusion).
- Extended Service Life: The plasticizer stays embedded in the PVC matrix longer, preventing the end product from becoming brittle.
- Better Aging: We see superior resistance to heat and degradation compared to standard DOP, making it ideal for outdoor applications.
Density Variations and Volume Cost Savings
One often overlooked benefit is the density difference. DINP has a lower specific gravity ($0.972 – 0.977$ g/cm³) compared to DOP. Since you purchase raw materials by weight but often sell finished goods by volume (or per piece), this density advantage translates to real volume cost savings. You get more product volume per metric ton of DINP, effectively lowering your unit material costs while maintaining high-quality output.
Safety Profiles in Regulated Markets
As global regulations tighten, safety profiles become a priority for procurement. DINP is recognized as a safer general-purpose plasticizer for specific industrial uses where lower migration is essential. It provides a reliable alternative in markets moving away from DOP due to environmental concerns, offering a stable supply chain solution for regulated markets like automotive interiors and wire manufacturing.
Regulatory Compliance & Safety Standards
Navigating the complex landscape of chemical regulations is just as important as the physical properties of the plasticizer itself. We prioritize transparency and safety in our manufacturing process to ensure our DINP meets the stringent requirements of the global market.
REACH Compliant Plasticizer Status
For manufacturers exporting to Europe or operating within strictly regulated markets, compliance is key. Our DINP is produced with high purity ($ge 99.5%$) to align with global industrial standards. As a REACH compliant plasticizer alternative in many applications, DINP is often preferred over lower molecular weight phthalates due to its lower migration rates and better toxicological profile. We work closely with our partners to ensure all necessary registration and documentation support your supply chain requirements.
Understanding Proposition 65 and CPSIA Restrictions
While DINP is a superior general-purpose plasticizer for industrial uses like wire and cable insulation and flooring, we believe in being upfront about regional restrictions.
- Proposition 65: In California, products containing DINP may require specific warning labels.
- CPSIA: Restrictions apply specifically to children’s toys and childcare articles.
We assist our clients in understanding where DINP can be used freely—such as in automotive parts, construction materials, and industrial hoses—and where alternative formulations might be required.
Safe Handling and SDS Availability
Workplace safety is our top priority. Because our DINP features a high flash point ($ge 200^circ$C) and low volatility, it offers a safer processing environment compared to many volatile alternatives. However, proper handling is essential.
We provide a comprehensive Safety Data Sheet (SDS) with every shipment, detailing:
- Personal Protective Equipment (PPE) recommendations.
- Spill containment procedures.
- Emergency response protocols.
- Storage guidelines to maintain the $le 0.1%$ moisture content standard.
Request our SDS today to ensure your facility is fully prepared and compliant.
Packaging, Storage, and Global Logistics
We understand that efficient logistics are just as critical as product quality. To fit your specific production scale and unloading capabilities, we offer flexible packaging options for our DINP. Whether you are running a small batch test or full-scale continuous manufacturing, we have a solution that fits your supply chain.
Drum, IBC Tote, and Flexitank Options
We provide three standard packaging formats to ensure safe transport and easy handling at your facility:
- Iron Drums (200 kg): Ideal for smaller operations or facilities with limited bulk handling equipment.
- IBC Totes (1000 kg): The industry standard for efficiency, offering a balance between volume and ease of storage.
- Flexitanks (23 MT): The most cost-effective solution for high-volume bulk orders, maximizing container space and reducing unit shipping costs.
Proper Storage for Maximum Shelf Life
To maintain the chemical stability and performance of the plasticizer, proper storage is essential. We recommend keeping the product in a cool, dry, and well-ventilated area.
- Temperature Control: Store away from direct sunlight and heat sources to prevent degradation.
- Sealing: Keep containers tightly closed when not in use to avoid moisture absorption (maintain moisture content $le 0.1%$).
- Safety: Ensure the storage area is free from oxidizers and open flames.
Supply Chain Stability and Delivery
Global disruptions shouldn’t stop your production line. We have optimized our logistics network to ensure consistent supply chain stability. From our factory to your port, we handle the complexities of export documentation and shipping schedules, ensuring your Diisononyl Phthalate arrives on time and ready for use.
Why Partner with Gotrays?
Selecting the right PVC plasticizer supplier is critical for maintaining both product quality and profit margins. At Gotrays, we go beyond simple distribution; we provide a stable, vertically integrated supply chain for high-performance Diisononyl Phthalate (DINP).
Factory-Direct Pricing and Manufacturing
We manufacture our own industrial grade DINP, allowing us to offer factory-direct pricing. By eliminating unnecessary middlemen, we pass significant cost savings directly to you. This structure also gives us full control over production schedules, ensuring that your supply chain stability is never compromised by third-party delays.
ISO 9001/14001 Certified Facilities
Quality consistency is the backbone of our operation. Our manufacturing plants are fully certified under ISO 9001 (Quality Management) and ISO 14001 (Environmental Management) standards. Every batch of DINP is tested to ensure it meets strict purity ($ge 99.5%$) and color specifications before it leaves our warehouse.
| Service Feature | Business Advantage |
|---|---|
| Direct Manufacturing | Competitive costs and transparent production timelines. |
| Certified Quality | Guaranteed consistency for sensitive wire and cable insulation applications. |
| Global Logistics | Flexible shipping options including drums, IBC totes, and Flexitanks. |
Technical Support for Formulation Adjustments
We understand that switching plasticizers or optimizing a plastisol formulation requires precision. Our technical team works alongside your engineers to assist with formulation adjustments. Whether you are transitioning from DOP to DINP or need to improve cold flex properties, we provide the data and expertise to ensure smooth processing in your facility.
Frequently Asked Questions
Can DINP directly replace DOP in PVC formulations?
Yes, DINP is frequently used as a direct, higher-performance replacement for DOP (Dioctyl Phthalate). Because DINP has a higher molecular weight, it offers lower volatility and better permanence. This means your PVC products—like wire insulation or flooring—will resist aging and degradation longer than those made with standard DOP. While it is a general-purpose plasticizer, you might need to make slight adjustments to your PVC formulations to account for density differences, but the result is improved durability and cold flex properties.
Is Gotrays DINP suitable for plastisol applications?
Absolutely. Our DINP is highly effective in plastisol formulations. It provides excellent viscosity stability, which is critical for applications like synthetic leather, coated fabrics, and automotive underbody coatings. Using Gotrays DINP helps reduce weight loss during the curing process due to its low volatility, ensuring a consistent finish and quality in your final goods.
What are the minimum order quantities (MOQ)?
We are set up to handle global industrial demands efficiently. We supply DINP in various packaging options, including standard drums, IBC totes, and Flexitanks for bulk shipments. Since shipping requirements vary by region, please contact our team directly. We will provide a quote based on your specific volume needs and destination, ensuring you get the most cost-effective logistics solution.


Reviews
There are no reviews yet.