Pigment Yellow 139 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 36888-99-0 |
| Product name | Pigment Yellow 139 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Yellow 139
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pigment Yellow 139 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pigment Yellow 139
| Industry | Application | Process |
|---|---|---|
| Plastics | Colorant for plastic products such as polypropylene and polyethylene | High-temperature dispersion or melt compounding |
| Coatings | Yellow pigment for automotive, industrial, and decorative coatings | Grinding dispersion or solvent blending |
| Inks | Colorant for packaging printing inks and publication inks | High-speed mixing or three-roll milling |
| Textiles | Dyeing or printing of synthetic fibers (e.g., polyester) | High-temperature, high-pressure dyeing or printing |
| Rubber | Colorant for rubber products such as tires and seals | Internal mixing or open-mill compounding |
Manufacturing Quality Control of Pigment Yellow 139
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (main component) | HPLC-UV | Quantifies pigment content by separation on a reversed-phase column and UV absorbance detection at characteristic wavelength. |
| Color Strength | Reflectance Spectrophotometry | Compares reflectance curve of sample vs. reference standard to calculate relative tinting strength. |
| Particle Size Distribution | Laser Diffraction | Measures scattered light intensity from dispersed particles to determine size distribution by Mie theory. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration with iodine-based reagent. |
| Residue on Sieve (45 um) | Dry Sieving | Evaluates coarse particle contamination by dry-sieving sample through a 45 um mesh screen. |
| pH of Aqueous Extract | Potentiometric Measurement | Measures hydrogen ion activity in aqueous suspension using calibrated pH electrode. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Quantifies elemental impurities after acid digestion by optical emission from plasma-excited atoms. |
| Ash Content | Gravimetric Analysis | Determines inorganic residue mass after high-temperature incineration at 550 C. |
| Organic Volatiles | GC-MS | Identifies and quantifies residual solvents and volatile organics by gas chromatographic separation and mass spectrometric detection. |
| Heat Stability | Thermogravimetric Analysis (TGA) | Assesses thermal decomposition onset and weight loss profile under controlled heating in nitrogen atmosphere. |
| Lightfastness | Xenon Arc Weathering | Evaluates color change after accelerated exposure to xenon lamp radiation simulating sunlight. |
| Oil Absorption | ASTM D281 | Measures grams of linseed oil required to form a stiff paste with 100 g pigment, indicating surface area and dispersibility. |
Technical Specifications of Pigment Yellow 139
| Test Item | Specification |
|---|---|
| Appearance | Yellow crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Melting Point | 275-285°C |
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 Yellow 139
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Pigment Yellow 139
Industrial Pigment Yellow 139 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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