Antioxidant 1520 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 110553-27-0 |
| Product name | Antioxidant 1520 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Antioxidant 1520
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Antioxidant 1520 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Antioxidant 1520
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Antioxidant and antidegradant | Added during rubber vulcanization to suppress oxidative degradation and extend product service life |
| Polymers | Stabilizer | Used as a thermal and UV stabilizer during polymer processing to prevent material aging |
| Lubricating Oils | Antioxidant additive | Blended into base oils to retard oxidation, minimizing sludge and acidic by-product formation |
| Polyurethane | Inhibitor and stabilizer | Applied in polyurethane prepolymer synthesis to suppress excessive crosslinking and control reaction rate |
Manufacturing Quality Control of Antioxidant 1520
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity Determination | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with a UV detector (e.g., 275 nm); quantifies the main component purity by external standard method or area normalization, suitable for separation and quantification of trace impurities. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Utilizes ¹H-NMR and ¹³C-NMR to analyze chemical shifts and coupling splitting of hydrogen and carbon atoms, confirming the position and integrity of substituents in the molecular structure. |
| Molecular Weight / Elemental Composition | Mass Spectrometry (MS) | Employs electrospray ionization (ESI) or electron impact (EI) mass spectrometry to measure molecular ion peaks ([M+H]⁺ or M⁺•), verifying molecular weight and characteristic fragmentation patterns. |
| Water Content | Karl Fischer Titration | Based on the quantitative reaction of iodine and sulfur dioxide in a pyridine/methanol system with water; accurately determines trace water content via coulometric or volumetric methods. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or direct injection with a capillary column for separation, and FID or MS detectors for quantification of residual organic solvents (e.g., toluene, ethanol). |
| Appearance and Color | Visual Color Comparison / Colorimeter | Observes the color of solid or liquid samples under standard lighting conditions, comparing with standard color charts or reference solutions to assess compliance with specified appearance requirements. |
| Melting Point / Freezing Point | Capillary Melting Point Apparatus | Uses a digital melting point instrument to determine the temperature range at which the substance transitions from solid to liquid, indicating crystalline purity and thermal stability. |
| Heavy Metal Residues | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) or Atomic Absorption Spectroscopy (AAS) | After acid digestion of the sample, detects limited elements such as lead, cadmium, mercury, and arsenic to ensure compliance with pharmacopoeial or environmental regulations. |
| Sulfur Content Verification | Elemental Analyzer / Oxygen Flask Combustion-Titration Method | Specifically for sulfur-containing organic compounds; sulfur is converted to SO₂ via combustion, then absorbed and titrated, or directly measured as total sulfur percentage using a CHNS elemental analyzer to verify substituent integrity. |
Technical Specifications of Antioxidant 1520
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (by LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference standard |
| Refractive Index (n20/D) | 1.520–1.540 |
| Relative Density (20°C/25°C) | 0.98–1.02 g/cm³ |
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 Antioxidant 1520
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Antioxidant 1520
Packaging of Antioxidant 1520
Industrial Antioxidant 1520 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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