Phenol, 2-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl-5-3-(2-ethylhexyl)oxy-2-hydroxypropoxy- Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 137658-79-8 |
| Product name | Phenol, 2-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl-5-3-(2-ethylhexyl)oxy-2-hydroxypropoxy- |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag |
| 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 137658-79-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 137658-79-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 137658-79-8
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | UV Absorber | Incorporated into polymers such as polyolefins, polycarbonates, and polyurethanes via compounding to enhance weatherability and resistance to photo-oxidative degradation |
| Coatings Industry | Light Stabilizer | Added to solvent-based or water-based coating systems to protect films from UV-induced degradation, thereby improving durability and color stability |
| Adhesives Industry | Aging Inhibitor | Mixed with other additives and incorporated into adhesive formulations to improve long-term stability under outdoor exposure conditions |
| Automotive Industry | Protection of Polymeric Materials | Applied in plastic components for automotive interior and exterior parts (e.g., bumpers, instrument panels) to prevent yellowing and embrittlement caused by solar radiation |
| Packaging Industry | Film Stabilization | Added during the production of food packaging and agricultural films to retard UV-induced deterioration of packaging materials and extend service life |
Manufacturing Quality Control of 137658-79-8
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 280-320 nm. |
| Related Substances | HPLC-DAD | Separation and identification of structurally similar impurities using gradient HPLC with diode-array detection and spectral library matching. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and response factor calibration. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to determine water content via stoichiometric reaction with pyridine/methanol reagent. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry for sub-ppq sensitivity. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous extract using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Combustion at 750 C followed by sulfuric acid treatment and weighing of residual inorganic sulfate ash. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary apparatus per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern to calculate volume-based particle size distribution (D10, D50, D90). |
| Bulk Density | Tap Density Tester | Measurement of mass per unit volume after standardized mechanical tapping per USP <616>. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Determination of hydrogen ion activity in 1% w/v suspension using calibrated glass electrode and pH meter. |
| Organic Volatile Impurities (OVI) | GC-MS | Targeted and untargeted screening of low-level volatile organics using gas chromatography coupled to mass spectrometry with EI ionization. |
Technical Specifications of 137658-79-8
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 128-132°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 137658-79-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 137658-79-8
Industrial 137658-79-8 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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