Diisononyl phthalate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 28553-12-0 |
| Product name | Diisononyl phthalate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Diisononyl phthalate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diisononyl phthalate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diisononyl phthalate
| Industry | Application | Process |
|---|---|---|
| Plastics Processing | Primary plasticizer for polyvinyl chloride (PVC) | Synthesized via transesterification or direct esterification; incorporated during PVC resin compounding to enhance material flexibility and elongation |
| Wires and Cables | Insulation and jacketing materials for wires and cables | Blended with PVC resin and processed via extrusion to impart thermal resistance and electrical insulation properties |
| Automotive Manufacturing | Interior components (e.g., instrument panels, seat covers) and wire harness coatings | Added as a plasticizer to PVC paste resins or granules, and shaped via calendering, injection molding, or dip coating |
| Coatings and Adhesives | Solvent-based coatings, sealants, and adhesives | Incorporated into formulations to improve film flexibility and adhesion; typically dispersed or milled using high-speed mixing |
| Artificial Leather and Films | PVC artificial leather, wallpaper, and packaging films | Used as a plasticizer in calendering or coating processes to improve film softness and tactile properties |
| Rubber Industry | Softener and auxiliary processing aid for synthetic rubber | Added during rubber compounding to reduce Mooney viscosity and improve processability and final product elasticity |
Manufacturing Quality Control of Diisononyl phthalate
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Purity | Gas Chromatography (GC) | Uses gas chromatography to separate diisononyl phthalate (DINP) samples. The purity of the main component is calculated by comparing retention times with standard substances and using peak area normalization. Suitable for quantitative analysis of high-purity DINP. |
| Main Component Content | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of gas chromatography with the qualitative identification power of mass spectrometry to accurately identify and quantify the main DINP component, while eliminating interference from structurally similar compounds, thereby improving accuracy. |
| Impurities (e.g., other phthalates) | High-Performance Liquid Chromatography (HPLC) or GC-MS | HPLC is suitable for separating and detecting thermally unstable or high-boiling-point impurities; GC-MS can simultaneously identify and quantify various phthalate impurities (such as DEHP, DBP), offering high sensitivity and strong selectivity. |
| Moisture Content | Karl Fischer Titration | Determines trace moisture in samples using volumetric or coulometric methods. Simple to operate and highly accurate, it is one of the standard methods for moisture determination in chemical products. |
| Color | Platinum-Cobalt Color Scale (Pt-Co) | Compares the sample visually or instrumentally against standard platinum-cobalt solutions to assess color intensity, used for controlling product appearance quality. |
| Acid Value | Acid-Base Titration | Titrates free acids in the sample using a standardized potassium hydroxide ethanol solution with phenolphthalein as indicator. The acid value (mg KOH/g) is calculated to reflect the level of acidic impurities in the product. |
| Density | Densitometer or Oscillating U-tube Densimeter | Measures the density of DINP at a specified temperature (typically 20°C or 25°C), used to assist in assessing composition and purity. |
| Refractive Index | Abbe Refractometer | Measures the refractive index of the sample at standard temperature, serving as an auxiliary parameter for rapid identification and consistency control of product quality. |
Technical Specifications of Diisononyl phthalate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless, clear liquid |
| Purity | >=98.5%, sum of isomers |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | <=0.1 |
| Color (APHA/Pt-Co) | <=30 |
| Refractive Index (n20/D) | 1.482 - 1.486 |
| Relative Density (20°C/25°C) | 0.975 - 0.985 g/cm³ |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Odor | Characteristic ester-like odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Diisononyl phthalate
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NMR Spectra of Diisononyl phthalate
Packaging of Diisononyl phthalate
Industrial Diisononyl phthalate Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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