Fast Blue RR salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 14726-29-5 |
| Product name | Fast Blue RR salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Fast Blue RR salt
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Fast Blue RR salt Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Fast Blue RR salt
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing and Printing | Direct dyeing and printing of cotton, linen, and viscose fibers | Exhaust dyeing, jigger dyeing, pad dyeing, and printing (pigment paste method) |
| Paper Industry | Coloring paper to produce colored and decorative papers | Added to the pulp prior to or during surface sizing |
| Leather Industry | Dyeing leather, particularly for light shades in light leathers | Exhaust dyeing at pH 4–7 |
| Biological Staining | Nuclear and bacterial staining in histology (e.g., as an auxiliary reagent in Gram staining) | Used with iodine solution as a counterstain in microscopic slide preparation |
| Ink Manufacturing | Colorant in aqueous printing inks | Co-milled with dispersants and wetting agents to produce stable color dispersions |
Manufacturing Quality Control of Fast Blue RR salt
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Measures absorbance at characteristic wavelength to quantify active dye concentration using Beer-Lambert law. |
| Moisture Content | Karl Fischer Titration | Quantifies water content via coulometric or volumetric titration with iodine-based reagent. |
| Ash Content | Gravimetric Analysis | Determines inorganic residue after high-temperature incineration and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures absorbance of ground-state atoms in flame or graphite furnace for metal quantification. |
| Chloride Impurity | Potentiometric Titration | Uses silver nitrate titrant with chloride-selective electrode to detect endpoint. |
| pH of Aqueous Solution | pH Meter Measurement | Determines hydrogen ion activity in 1% w/v aqueous suspension using calibrated glass electrode. |
| Organic Impurities | High-Performance Liquid Chromatography (HPLC) | Separates and quantifies related substances based on differential partitioning in column. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered laser light intensity to calculate size distribution of dispersed particles. |
| Bulk Density | Graduated Cylinder Method | Measures mass per unit volume of freely settled powder in standardized cylinder. |
| Residue on Ignition | Gravimetric Analysis | Weighs non-volatile residue after heating at 500-600 C to assess inorganic contaminants. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitates sulfate as BaSO4 and determines mass after filtration and drying. |
| Color Strength (Tinting Strength) | Visual Comparison or Reflectance Spectrophotometry | Compares color intensity against certified reference standard under controlled illumination. |
Technical Specifications of Fast Blue RR salt
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to black crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
| Solubility | Soluble in water with blue to violet solution; insoluble in chloroform and ether |
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 Fast Blue RR salt
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Fast Blue RR salt
Industrial Fast Blue RR salt 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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