Solvent Red 149 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 21295-57-8 |
| Product name | Solvent Red 149 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial Grade |
| Packaging | 25KG/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 Red 149
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Solvent Red 149 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Solvent Red 149
| Industry | Application | Process |
|---|---|---|
| Inks | Red colorant for offset, gravure, and flexographic inks | Formulated into color paste by mixing with resins, vehicles, and additives, followed by grinding and dispersion |
| Coatings | Red pigment for automotive refinish coatings and industrial coatings | High-shear dispersed and stabilized in acrylic or polyester resin systems |
| Plastics | Colorant for thermoplastic resins including polyvinyl chloride (PVC) and polyolefins | Coloring achieved by compounding with plastic pellets, followed by extrusion, injection molding, or calendering |
| Textiles | Disperse dye for polyester fiber dyeing | High-temperature, high-pressure dyeing (130°C), using dispersing agents to solubilize and ensure uniform dye uptake |
Manufacturing Quality Control of Solvent Red 149
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength (e.g., 520 nm) and external standard calibration. |
| Color Strength | UV-Vis Spectrophotometry | Measurement of absorbance in standardized solution; color strength calculated relative to a certified reference standard. |
| Loss on Drying | Gravimetric Analysis (Oven Drying) | Mass loss measured after drying sample at 105 C for 2 hours under controlled atmospheric conditions. |
| Ash Content | Gravimetric Analysis (Muffle Furnace) | Residue mass determined after incineration at 550 C to oxidize organic matter. |
| Heavy Metals (as Pb) | AAS or ICP-OES | Quantification of total heavy metals after acid digestion, using atomic absorption spectroscopy or inductively coupled plasma optical emission spectrometry. |
| Chlorinated Benzenes (e.g., o-dichlorobenzene) | GC-FID | Separation and quantification of residual solvents by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on iodine-sulfur dioxide reaction specific to water. |
| pH of Aqueous Suspension | pH Meter Measurement | pH measured in a defined aqueous suspension (e.g., 1% w/v) using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dispersed particles in liquid medium. |
| Bulk Density | Weight/Volume Method | Mass of material freely poured into a standardized cylinder divided by its volume. |
| Residue on Sieve (e.g., 63 um) | Sieve Analysis | Determination of oversize particles retained on specified mesh sieve after mechanical agitation. |
| Organic Volatile Impurities | GC-MS | Identification and quantification of trace volatile organic impurities using gas chromatography coupled with mass spectrometry. |
Technical Specifications of Solvent Red 149
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 248-252°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Soluble in chloroform, dichloromethane; slightly soluble in ethanol; insoluble in water |
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 Red 149
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Solvent Red 149
Industrial Solvent Red 149 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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