Orange IV Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 554-73-4 |
| Product name | Orange IV |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Orange IV
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Orange IV Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Orange IV
| Industry | Application | Process |
|---|---|---|
| Biomedical | Staining or labeling cells and tissues | Staining tissue sections prior to microscopic examination |
| Biomedical | Blood staining | Used as a red blood cell stain (e.g., in combination with Eosin Y) |
| Chemical | Acid-base indicator | Indicating the endpoint of pH change in titration analysis |
| Chemical | Redox indicator | Indicating the endpoint in redox titrations |
| Medical Diagnostics | Bacterial staining | Differentiating bacterial morphology and structure |
| Textile Dyeing | Acid dye | Dyeing protein fibers (e.g., wool, silk) |
| Papermaking | Paper coloring | Tinting and dyeing paper pulp |
Manufacturing Quality Control of Orange IV
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | UV-Vis Spectrophotometry | Measures absorbance at characteristic wavelength (approx. 485 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. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Digests sample in acid matrix and measures elemental emission intensities at specific wavelengths for simultaneous multi-element quantification. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects endpoint by potential change during silver nitrate titration; chloride forms insoluble AgCl precipitate. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as BaSO4 under controlled conditions and determines mass after ignition and drying. |
| Residue on Ignition | Gravimetric Method | Measures non-volatile inorganic residue remaining after high-temperature (700-800 C) incineration of sample. |
| pH of Aqueous Solution | pH Meter Measurement | Determines hydrogen ion activity in a defined aqueous suspension (e.g., 1% w/v) using calibrated glass electrode system. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents or volatile organics using capillary column and flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered laser light intensity patterns to calculate size distribution based on Mie theory. |
| Color Value (Delta E or Gardner Scale) | Colorimeter Measurement | Compares tristimulus color coordinates (L, a, b*) or Gardner units against reference standard under controlled illumination. |
| Water Solubility | Visual Dissolution Test | Evaluates complete dissolution in specified volume of water at defined temperature and agitation time; reported as pass/fail. |
| Microbial Contamination | Membrane Filtration and Plate Count | Filters sample through membrane, transfers to agar media, and enumerates colony-forming units after incubation. |
Technical Specifications of Orange IV
| Test Item | Specification |
|---|---|
| Appearance | Orange to red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-250°C |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
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 Orange IV
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Orange IV
Industrial Orange IV 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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