Basic Red 2 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 477-73-6 |
| Product name | Basic Red 2 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial 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) |
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Documents We Provide for Basic Red 2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Basic Red 2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Basic Red 2
| Industry | Application | Process |
|---|---|---|
| Textiles | Dyeing of natural fibers such as cotton, silk, and wool | Dyeing under acidic or neutral conditions |
| Papermaking | Coloring of paper | In-pulp dyeing or surface coating |
| Life Sciences | Microbial staining (e.g., bacteria) | Laboratory staining and slide preparation |
| Cosmetics | Hair dyes and temporary color cosmetics | Color formulation via compounding with other ingredients |
| Plastics | Coloring of plastic products | Melt-blending dyeing |
Manufacturing Quality Control of Basic Red 2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Measures absorbance at characteristic wavelength (e.g., ~520 nm) and calculates concentration using Beer-Lambert law and certified reference standard. |
| Moisture Content | Karl Fischer Titration | Quantifies water via coulometric or volumetric titration with iodine-based reagent; reaction stoichiometry enables precise water determination. |
| Inorganic Ash | Gravimetric Analysis (Ignition at 550 C) | Sample is incinerated to oxidize organic matter; residual inorganic residue is weighed after cooling in desiccator. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Digestion followed by plasma excitation of metal ions; elemental concentrations determined from emission intensities at specific wavelengths. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Silver nitrate titrant reacts with chloride to form AgCl precipitate; endpoint detected by silver ion-selective electrode potential shift. |
| Sulfate Impurity | Gravimetric Analysis (as BaSO4) | Precipitation of sulfate with barium chloride under controlled acidity; dried BaSO4 precipitate is weighed. |
| pH of Aqueous Solution | pH Meter Measurement | Electrochemical measurement using calibrated glass electrode in a defined concentration (e.g., 1 g/L aqueous suspension). |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of volatile organics using capillary column and flame ionization detection against calibration standards. |
| Particle Size Distribution | Laser Diffraction | Measures angular scattering pattern of laser beam passing through dispersed sample; size distribution calculated via Mie theory. |
| Color Strength (Tinting Strength) | Visual Comparison or Instrumental Colorimetry | Compares color intensity and hue of standardized dye solution against reference standard using D65 illuminant and CIELAB coordinates. |
| Water Solubility | Gravimetric Filtration and Drying | Sample dissolved in hot water, filtered while hot, cooled, and undissolved residue dried and weighed. |
| Residue on Ignition | Gravimetric Analysis (Ignition at 700 C) | Sample ignited to constant weight at specified temperature; non-volatile residue mass expressed as percentage of original sample. |
Technical Specifications of Basic Red 2
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-235°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in water and ethanol |
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 2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Basic Red 2
Packaging of Basic Red 2
Industrial Basic Red 2 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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