Ethoxyquin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 91-53-2 |
| Product name | Ethoxyquin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty GradeFood GradeCosmetic 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 Ethoxyquin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethoxyquin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethoxyquin
| Industry | Application | Process |
|---|---|---|
| Animal Feed Industry | Antioxidant for animal feed, preventing oxidative degradation of vitamins A, D, E, and fats | Added to premixes or complete feed; recommended dosage: 50–150 mg/kg |
| Food Industry | Antioxidant for edible oils (approved in certain countries/regions, e.g., permitted under China GB 2760-2024 for animal and vegetable oils, fried foods, etc.) | Directly incorporated into oils or oil-containing foods; maximum usage level varies by food category (e.g., ≤0.2 g/kg in vegetable oils) |
| Rubber Industry | Anti-aging agent for rubber, inhibiting ozone aging and thermo-oxidative aging | Blended with other additives (e.g., accelerators, vulcanizing agents) during rubber compounding |
| Cosmetics Industry | Stabilizer for lipid components in haircare and skincare products (subject to concentration limits specified in EU Regulation EC No 1223/2009, Annex V) | Incorporated as a stabilizing ingredient into emulsions, creams, conditioners, etc.; maximum permitted concentration: 0.1% (w/w) |
| Chemical Intermediates | Starting material for synthesizing quinoline derivatives and pharmaceutical intermediates | Converted into target compounds via multi-step organic reactions, including nitration, reduction, and diazotization |
Manufacturing Quality Control of Ethoxyquin
| Test Item | Common Detection Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a C18 chromatographic column with methanol-water or acetonitrile-water as the mobile phase. The ultraviolet detector (typically at 254 nm) detects ethoxyquin content, which is quantified using external standard or internal standard methods. This method offers high selectivity and accuracy. |
| Content Determination | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Leverages the characteristic absorption peak of ethoxyquin near 254 nm to determine the absorbance of sample solutions via a standard curve method. It is suitable for rapid screening but is more susceptible to interference from impurities, with lower accuracy compared to HPLC. |
| Impurity Detection | High-Performance Liquid Chromatography (HPLC) | Employs gradient or isocratic elution modes to detect related impurities in ethoxyquin (e.g., ethoxyquin dimers, oxidation products), with qualitative and quantitative analysis by comparing retention times and peak areas to reference standards. |
| Residue Detection (Feed/Food) | Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) | After sample extraction and purification, LC-MS/MS is used for highly sensitive detection, enabling accurate quantification of trace residues (e.g., μg/kg levels). It is suitable for regulatory limit monitoring due to its strong specificity and high sensitivity. |
| Residue Detection (Animal Tissue) | Solid-Phase Extraction-High-Performance Liquid Chromatography (SPE-HPLC) | Uses C18 or HLB solid-phase extraction columns to enrich and purify ethoxyquin from tissue samples before HPLC-UV detection. It is suitable for quantitative analysis of residues in complex matrices. |
| Melting Point Determination | Melting Point Apparatus Method | Follows pharmacopoeia methods to measure the melting point of pure ethoxyquin using a capillary melting point apparatus (literature value: approximately 78–80°C). This provides preliminary assessment of raw material purity and authenticity. |
| Moisture Determination | Karl Fischer Titration Method | Uses coulometric or volumetric Karl Fischer titration to determine trace moisture content in ethoxyquin, ensuring raw material dryness to avoid impacts on stability and test results. |
| Heavy Metal Detection | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After digestion of ethoxyquin raw materials, heavy metals such as lead, cadmium, mercury, and arsenic are measured to meet pharmaceutical or feed-grade standards for heavy metal residue limits. |
| Related Substances Inspection | Thin-Layer Chromatography (TLC) | Uses silica gel plates as the stationary phase with solvent systems like hexane-ethyl acetate. Spots are observed under UV light, with Rf values compared to reference standards for rapid screening of major impurities, suitable for production process control. |
Technical Specifications of Ethoxyquin
| Test Item | Specification |
|---|---|
| Appearance | Amber to brown liquid |
| Purity | >=98.0% (by GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | -15 to -10°C |
| Odor | Characteristic quinoline-like odor |
| Solubility | Miscible with ethanol, chloroform, and ethyl acetate; slightly soluble in water |
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 Ethoxyquin
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NMR Spectra of Ethoxyquin
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Industrial Ethoxyquin 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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