China Factory Direct
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| CAS number | 85-83-6 |
| Product name | Solvent Red 24 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial 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) |
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 |
|---|---|---|
| Paints and Coatings | Colorant | Added as a red pigment during paint and coating manufacturing to impart vibrant red hues |
| Plastics Industry | Plastic Coloring | Incorporated during plastic processing (e.g., injection molding, extrusion) to uniformly color thermoplastic resins |
| Ink Manufacturing | Colored Ink Formulation | Used as a red dye in printing inks, suitable for gravure and flexographic printing processes |
| Textile Dyeing | Fiber Dyeing | Applied in dyeing processes for natural and synthetic fibers, particularly in solvent-based dyeing systems |
| Cosmetics | Color Additive | Used as a coloring agent in certain nail lacquers or specialty cosmetic formulations (subject to local regulatory compliance) |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at characteristic wavelength (e.g., 520 nm) and external standard calibration. |
| Color Strength | UV-Vis Spectrophotometry | Measures absorbance of standardized solution at lambda-max; relative color strength calculated versus reference standard. |
| Loss on Drying | Gravimetric (Oven Drying) | Determines volatile content by measuring mass loss after drying at 105 C for 2 hours under controlled conditions. |
| Ash Content | Gravimetric (Muffle Furnace) | Measures inorganic residue remaining after combustion at 550 C; expressed as weight percent of original sample. |
| Heavy Metals (as Pb) | AAS or ICP-OES | Quantifies total heavy metals after acid digestion by atomic absorption spectroscopy or inductively coupled plasma optical emission spectrometry. |
| Chlorinated Impurities | GC-ECD | Detects and quantifies chlorinated organic impurities (e.g., chlorobenzenes) using gas chromatography with electron capture detection. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration using iodine-based reagent and electrochemical endpoint detection. |
| pH of Aqueous Extract | pH Meter | Measures acidity/alkalinity of aqueous suspension (1% w/v) using calibrated pH electrode in standardized medium. |
| Residue on Ignition | Gravimetric (Muffle Furnace) | Similar to ash content but performed at specified temperature (e.g., 700 C) per industry practice for organic dyes. |
| Sublimation Loss | Thermogravimetric Analysis (TGA) | Evaluates thermal stability and volatile loss by monitoring mass change under controlled heating (e.g., 25–300 C, N2 atmosphere). |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of dry powder using Mie scattering theory and calibrated laser diffraction instrument. |
| Organic Volatile Impurities | GC-FID | Identifies and quantifies residual solvents (e.g., toluene, xylene) using gas chromatography with flame ionization detection. |
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Melting Point | 130-134°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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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.