BIS(2-ETHYLHEXYL) PHOSPHITE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3658-48-8 |
| Product name | BIS(2-ETHYLHEXYL) PHOSPHITE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic Grade |
| Packaging | 25L/drum |
| 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 BIS(2-ETHYLHEXYL) PHOSPHITE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk BIS(2-ETHYLHEXYL) PHOSPHITE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of BIS(2-ETHYLHEXYL) PHOSPHITE
| Industry | Application | Process |
|---|---|---|
| Paint & Coatings Industry | Antioxidant | Added to coatings to prevent oxidative degradation |
| Plastics Industry | Heat Stabilizer | Added during plastics processing to enhance thermal stability |
| Rubber Industry | Vulcanization Accelerator | Used as an accelerator in rubber vulcanization |
| Paint Industry | Flow and Leveling Improver | Added to paints to improve flow and leveling on substrates |
| Polymers | UV Stabilizer | Applied in polymeric materials to prevent UV-induced degradation |
| Electronics Industry | Organic Synthesis Intermediate | Used as an intermediate in the synthesis of certain organic compounds |
Manufacturing Quality Control of BIS(2-ETHYLHEXYL) PHOSPHITE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (P(OCH2CH(C2H5)C4H9)2OH) | Acid-Base Titration | Titration with standardized NaOH using phenolphthalein indicator to quantify acidic hydrogen of residual monoester or hydrolysis products. |
| Acid Value | Acid-Base Titration | Neutralization of free acidic groups with KOH in ethanol/isopropanol, expressed as mg KOH/g sample. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against APHA platinum-cobalt standard solutions at 455 nm. |
| Density at 20 C | Digital Density Meter | Measurement of mass per unit volume using oscillating U-tube principle. |
| Refractive Index at 20 C | Refractometry | Determination of light bending angle at sodium D-line (589 nm) using calibrated refractometer. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical generation and reaction of iodine with water in anhydrous methanol-based reagent. |
| Chloride Content | Potentiometric Titration with AgNO3 | Precipitation of chloride as AgCl monitored by silver ion-selective electrode. |
| Non-Volatile Residue | Gravimetric Analysis | Evaporation of known sample mass at 105 C followed by weighing of residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion via absorption of element-specific wavelengths. |
| Iron Content | ICP-OES | Plasma excitation of digested sample followed by emission intensity measurement at characteristic Fe wavelength. |
| Diisooctyl Phosphonate Impurity | Gas Chromatography (GC-FID) | Separation on polar capillary column and detection by flame ionization of phosphonate ester impurity. |
| Phosphoric Acid (H3PO4) Impurity | Ion Chromatography (IC) | Anion exchange separation with conductivity detection of phosphate anions after hydrolysis. |
Technical Specifications of BIS(2-ETHYLHEXYL) PHOSPHITE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 |
| Refractive Index (n20/D) | 1.445–1.455 |
| Relative Density (20°C/25°C) | 0.935–0.945 g/cm³ |
| Color (APHA/Pt-Co) | <=50 |
| Odor | Characteristic ester-like odor |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
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 BIS(2-ETHYLHEXYL) PHOSPHITE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of BIS(2-ETHYLHEXYL) PHOSPHITE
Packaging of BIS(2-ETHYLHEXYL) PHOSPHITE
Industrial BIS(2-ETHYLHEXYL) PHOSPHITE 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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