China Factory Direct
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| CAS number | 12225-06-8 |
| Product name | Pigment Red 176 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial GradeReagent 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) |
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 |
|---|---|---|
| Pigments & Coatings | Coloration | Used as a red pigment in solvent-based and water-based coatings |
| Plastics | Colorant | Applied for coloring polyolefins, polyvinyl chloride (PVC), and other plastics |
| Inks | Gravure printing inks | Used to formulate high-tinting-strength red printing inks |
| Automotive | OEM automotive coatings | Used in high-performance red coatings for automotive finishing |
| Architectural & Decorative Building Materials | Colored coated steel sheets | Provides weather-resistant red-tinted coatings |
| Packaging | Flexible packaging printing | Used for red printing on food, pharmaceutical, and other packaging materials |
| Stationery & Educational Supplies | Colored pencils and crayons | Used as a red pigment for coloring stationery and educational supplies |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (main component) | HPLC-UV | Quantitative determination using reverse-phase HPLC 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 potentiometrically. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Sample incinerated to constant weight; ash residue mass expressed as percentage of original sample mass. |
| Residue on Sieve (45 um) | Dry Sieving | Particle size distribution assessed by mechanical sieving through a 45 um mesh screen under controlled airflow or vibration. |
| pH of Aqueous Extract | Potentiometric pH Measurement | Aqueous suspension (1:10 w/v) equilibrated and measured with calibrated glass electrode pH meter. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Chlorinated Benzenes (e.g., o-dichlorobenzene) | GC-MS | Extraction followed by gas chromatographic separation and mass spectrometric detection for identification and quantification. |
| Color Strength (Relative Tint) | Reflectance Spectrophotometry | Comparison of reflectance spectra (400-700 nm) against certified reference standard using Kubelka-Munk theory. |
| Lightfastness | Xenon Arc Weatherometer (ISO 105-B02) | Accelerated exposure to xenon arc radiation simulating daylight; color change assessed by Delta E (CIELAB) after specified irradiation dose. |
| Heat Stability | Thermogravimetric Analysis (TGA) | Weight loss monitored under nitrogen atmosphere from 25 to 300 C at fixed heating rate to assess thermal decomposition onset. |
| Organic Volatile Impurities | Headspace GC-FID | Heating sample in sealed vial, injecting headspace vapor into gas chromatograph with flame ionization detection. |
| Bulk Density | ASTM D1895 Method A | Mass of material freely poured into standardized cylinder; density calculated from volume and weight. |
| Test Item | Specification |
|---|---|
| Appearance | Red Powder |
| 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 |
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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.