China Factory Direct
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| CAS number | 5280-66-0 |
| Product name | Pigment Red 48:4 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Ink Industry | Used in the production of four-color process inks, particularly for magenta | Synthesized via diazotization, followed by lake formation to produce an insoluble precipitate with calcium salts |
| Plastics Industry | Used for coloring plastics such as polyvinyl chloride (PVC) and polyethylene (PE) | Uniformly dispersed into plastic resins via dry blending or masterbatch processing |
| Coatings Industry | Used for coloring industrial coatings, decorative paints, and latex paints | Pigment is surface-treated, then mixed with resin and additives, and ground to achieve dispersion in the coating formulation |
| Rubber Industry | Used for coloring rubber products such as tires and rubber footwear | Incorporated into raw rubber via compounding, uniformly dispersed, and subsequently vulcanized |
| Stationery & Office Supplies | Used in the manufacture of colored pencils, crayons, and watercolor paints | Mixed with oils, waxes, or water-soluble binders, then processed via roller milling and shaping |
| Detection Item | Common Analytical Method | Method Overview |
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| Purity (main component) | HPLC-UV | Quantifies pigment content by separation on reversed-phase column and UV detection at characteristic wavelength. |
| Color Strength | Reflectance Spectrophotometry | Measures relative color intensity by comparing reflectance values of sample vs. reference standard under standardized illumination. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution based on angular dependence of scattered laser light intensity. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric reaction between water, iodine, and sulfur dioxide in methanol/pyridine medium. |
| Residue on Sieve (45 um) | Dry Sieving | Evaluates coarse particle contamination by passing sample through a 45 um mesh sieve and weighing retained material. |
| pH of Aqueous Extract | Potentiometric pH Measurement | Determines acidity/alkalinity of aqueous suspension using calibrated glass electrode. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Simultaneously quantifies trace metals after acid digestion by measuring element-specific emission intensities in plasma. |
| Water Soluble Salts | Conductivity Measurement | Estimates soluble electrolyte content by measuring electrical conductivity of aqueous extract. |
| Bulk Density | ASTM D1895 Method A | Determines mass per unit volume of freely settled powder in a standardized cylinder. |
| Thermal Stability | TGA | Measures weight loss versus temperature to assess decomposition onset and residual ash content. |
| Organic Volatiles | GC-MS | Identifies and quantifies residual solvents or volatile impurities after thermal desorption or solvent extraction. |
| Oil Absorption | ASTM D281 | Determines grams of linseed oil absorbed per 100 g pigment to assess dispersion behavior and binder demand. |
| Test Item | Specification |
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| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Water Content (KF) | <=0.5% |
| Identification (IR) | Consistent with reference spectrum |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.