Solvent Red 135 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 20749-68-2 |
| Product name | Solvent Red 135 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial GradeElectronic 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 Solvent Red 135
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Solvent Red 135 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Solvent Red 135
| Industry | Application | Process |
|---|---|---|
| Ink Manufacturing | Used as a red dye for coloring inks, colored pencils, and crayons | Dispersed or dissolved in carrier materials |
| Plastics Industry | Used as a colorant for dyeing plastics such as polystyrene (PS) and polycarbonate (PC) | High-temperature melt compounding or injection molding |
| Coatings | Added to industrial or automotive coatings to impart red hues | Dispersed in resin or solvent-based systems |
| Textile Dyeing | Used for dyeing synthetic fibers such as polyester | High-temperature, high-pressure dyeing or carrier dyeing |
| Electronic Displays | Used as a component in color filters or liquid crystal display (LCD) color materials | Coating or vacuum deposition |
Manufacturing Quality Control of Solvent Red 135
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with certified reference standard using reversed-phase chromatography and UV detection at 520 nm. |
| Color Strength | UV-Vis Spectrophotometry | Measurement of absorbance at lambda-max (approx. 520 nm) in standardized solvent; calculated relative to reference standard. |
| Loss on Drying | Gravimetric Analysis | Mass loss determined after drying sample at 105 C for 2 h under controlled conditions. |
| Residue on Ignition | Gravimetric Analysis | Mass of inorganic residue remaining after charring and ashing at 600 C for 30 min. |
| Heavy Metals (as Pb) | AAS | Quantification of total heavy metals by atomic absorption spectroscopy after acid digestion and chelation. |
| Arsenic | ICP-MS | Ultra-trace determination of arsenic content following microwave-assisted acid digestion and isotopic detection. |
| Chlorinated Benzene Impurities | GC-ECD | Separation and selective detection of chlorinated aromatic impurities using electron capture detection. |
| Primary Aromatic Amines | HPLC-MS | Identification and quantification of carcinogenic amine impurities via liquid chromatography coupled to mass spectrometry. |
| pH of Aqueous Suspension | Potentiometric Titration | Determination of pH in 1% aqueous suspension using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser scattering to determine D10, D50, D90 values. |
| Bulk Density | Volumetric Method | Mass per unit volume measured by pouring into a calibrated cylinder and tapping to settle. |
| Solubility in Common Solvents | Visual Observation | Qualitative assessment of complete dissolution in specified solvents (e.g., acetone, ethyl acetate, toluene) at 25 C. |
Technical Specifications of Solvent Red 135
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Water Content (KF) | <=0.5% |
| Melting Point | 215-220°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | Not applicable |
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 135
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Solvent Red 135
Industrial Solvent Red 135 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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