Pigment Red 179 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5521-31-3 |
| Product name | Pigment Red 179 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeReagent GradeCosmetic GradeFood 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 Pigment Red 179
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pigment Red 179 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pigment Red 179
| Industry | Application | Process |
|---|---|---|
| Paints & Coatings | Colorant | Formulated into solvent-based and water-based coating systems |
| Plastics Industry | Colorant | Added during polymer processing |
| Rubber Products | Colorant | Incorporated during compounding |
| Printing Inks | Colorant | Used in preparing inks for various printing technologies |
| Arts & Stationery | Colorant | Used in manufacturing colored pencils, crayons, etc. |
| Cosmetics | Colorant | Applied in color cosmetic products such as lipsticks and eyeshadows |
| Textile Dyeing & Printing | Colorant | Employed in dyeing or printing processes |
| Leather Processing | Colorant | Applied as a coloring material during leather surface finishing |
Manufacturing Quality Control of Pigment Red 179
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (by HPLC) | HPLC-UV | Quantitative determination using reverse-phase chromatography with UV detection at characteristic wavelength (e.g., 500 nm) and external standard calibration. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent, measuring endpoint coulometrically or volumetrically. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Sample incinerated at controlled temperature to oxidize organic matter; residual inorganic ash weighed after cooling in desiccator. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles in liquid medium to calculate volume-based size distribution. |
| Bulk Density | ASTM D1895 Method A (Tapped Density) | Mass per unit volume measured after standardized tapping of a graduated cylinder containing the sample. |
| Color Strength (Relative) | UV-Vis Spectrophotometry | Comparison of absorbance ratio (sample vs. reference standard) at lambda-max in standardized dispersion medium, corrected for concentration and path length. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification by measuring atomic emission intensities of plasma-excited elements after acid digestion. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic impurities using capillary column gas chromatography with flame ionization detection. |
| pH of Aqueous Extract | Potentiometric Titration | Measurement of hydrogen ion activity in aqueous suspension using calibrated pH electrode after equilibrium. |
| Chloride Ion Content | Argentometric Titration (Mohr method) | Titration with standardized silver nitrate solution using potassium chromate indicator; endpoint signaled by formation of red Ag2CrO4 precipitate. |
| Organic Impurities (Related Substances) | HPLC-DAD | Detection and semi-quantitation of structurally related compounds via diode array detection across UV-Vis range, using gradient elution. |
| Thermal Stability (Onset Decomposition Temp) | TGA | Measurement of mass loss as function of temperature under controlled nitrogen atmosphere; onset temperature determined from first derivative curve. |
Technical Specifications of Pigment Red 179
| Test Item | Specification |
|---|---|
| Appearance | Purple solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Identification (IR) | Conforms to reference spectrum |
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 Pigment Red 179
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Pigment Red 179
Packaging of Pigment Red 179
Industrial Pigment Red 179 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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