Basic Red 9 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 569-61-9 |
| Product name | Basic Red 9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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) |
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Documents We Provide for Basic Red 9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Basic Red 9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Basic Red 9
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Colorant | Applied as a basic dye in dyeing processes for textiles, paper, and leather |
| Analytical Chemistry | pH Indicator | Used as a pH indicator in acid-base titrations, with a color transition range of approximately pH 6.0 (red) to 8.0 (yellow) |
| Biology/Histology | Cell Staining | Applied for nuclear or cytoplasmic staining of microscope specimens to facilitate observation of tissue structure |
| Printing Ink | Pigment Addition | Incorporated as a red pigment component in ink formulations for specific printing processes |
Manufacturing Quality Control of Basic Red 9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies alkaline red 9 concentration based on absorbance at its characteristic lambda-max in standardized solvent system, using a calibration curve. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration with iodine-based reagent, where water reacts stoichiometrically with iodine and sulfur dioxide. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content after acid digestion by quantifying atomic absorption of specific wavelengths for lead in flame or graphite furnace mode. |
| Arsenic Content | Hydride Generation AAS (HG-AAS) | Converts arsenic to volatile arsine gas, which is swept into quartz cell for atomic absorption measurement at characteristic wavelength. |
| Chloride Content | Potentiometric Titration with AgNO3 | Detects chloride ions by titration with silver nitrate using silver indicator electrode; endpoint corresponds to formation of AgCl precipitate. |
| Sulfate Content | Gravimetric Analysis | Precipitates sulfate as BaSO4 under controlled conditions, followed by filtration, drying, and weighing of the insoluble residue. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in a standardized aqueous solution (e.g., 1% w/v) using calibrated glass electrode system. |
| Organic Impurities (Related Substances) | High Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally related impurities using reversed-phase C18 column and UV detection, relative to main peak area. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue by ignition at 500-600 C in platinum crucible, followed by cooling and precise weighing. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of dry powder by analyzing angular variation in laser light scattering intensity. |
| Bulk Density | Tap Density Tester | Determines mass per unit volume after standardized tapping of sample in graduated cylinder according to ASTM D1895. |
| Color Strength (Tinting Strength) | Visual Comparison or Reflectance Spectrophotometry | Compares color intensity against certified reference standard in standardized paste or solution format using CIELAB delta E or relative tint value. |
Technical Specifications of Basic Red 9
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Melting Point | 265-270 °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 Basic Red 9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Basic Red 9
Packaging of Basic Red 9
Industrial Basic Red 9 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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