Solvent Yellow 56 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2481-94-9 |
| Product name | Solvent Yellow 56 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 Solvent Yellow 56
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Solvent Yellow 56 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Solvent Yellow 56
| Industry | Application | Process |
|---|---|---|
| Ink Manufacturing | Coloring nitrocellulose and natural or synthetic resins (e.g., cellulose acetate, cellulose acetate butyrate) | Dissolved in alcoholic or ester-based organic solvents to formulate solvent-based inks |
| Plastics Processing | Coloring transparent plastics such as polyvinyl chloride (PVC), polystyrene (PS), and polymethyl methacrylate (PMMA) | Mixed with resin monomers or powders prior to extrusion, injection molding, or calendering |
| Coatings Industry | Coloring metal surface coatings, aluminum foil coatings, and industrial bake coatings | Dispersed in organic solvent media and applied via spraying, dip coating, or roll coating |
| Stationery Manufacturing | Coloring ballpoint pen inks, marker inks, and colored pencil leads | Dissolved in writing fluid formulations or melt-mixed with wax or clay |
| Other | Color marking of hydrocarbon fuels (e.g., gasoline, kerosene) | Directly dissolved in the fuel oil |
Manufacturing Quality Control of Solvent Yellow 56
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based solvent system. |
| Ash Content | Gravimetric Analysis | Residue weight after incineration at 550 C in a muffle furnace, expressed as percentage of original sample mass. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy measuring absorbance of ground-state atoms vaporized from acid-digested sample. |
| Chlorinated Impurities | GC-ECD | Gas chromatography with electron-capture detection for selective quantification of organochlorine compounds. |
| Residual Solvents | GC-FID | Gas chromatography with flame-ionization detection to quantify volatile organic solvents remaining from synthesis. |
| pH of Aqueous Suspension | Potentiometric Measurement | Measurement of hydrogen ion activity in a defined aqueous suspension using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern generated by dispersed particles to calculate size distribution by volume. |
| Color Strength (Relative) | UV-Vis Spectrophotometry | Comparison of absorbance at lambda-max against a reference standard under standardized conditions in specified solvent. |
| Organic Volatile Impurities (Total) | GC-FID | Sum of peak areas of all volatile organic impurities detected by gas chromatography with flame-ionization detection. |
| Sulfated Ash | Gravimetric Analysis | Residue weight after sulfuric acid treatment followed by incineration at 550 C, indicating inorganic sulfate content. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition temperature determined by observing solid-to-liquid phase change in capillary tube under controlled heating rate. |
Technical Specifications of Solvent Yellow 56
| Test Item | Specification |
|---|---|
| Appearance | Orange Solid |
| Purity | >=98.0% (LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 132–136°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 Solvent Yellow 56
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Solvent Yellow 56
Packaging of Solvent Yellow 56
Industrial Solvent Yellow 56 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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