China Factory Direct
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| CAS number | 3625-57-8 |
| Product name | CI 51180 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 Description |
|---|---|---|
| Chemical Analysis | Indicator | Used as a pH indicator in acid-base titrations |
| Biological Staining | Cell or Tissue Staining | Applied for staining and labeling of cells or tissues in microscopic examination |
| Textile Industry | Dye | Applied as a dye in coloring processes for specific fibers |
| Environmental Monitoring | Water Quality Testing | Used to detect the presence or concentration of specific chemical substances in water |
| Pharmaceutical Research | Drug Analysis | Applied for qualitative or quantitative analysis of drug components |
| Materials Science | Functional Material Preparation | Used as an additive in the synthesis or modification of certain functional materials |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Measures absorbance at characteristic wavelength (e.g., ~630 nm) and calculates concentration using Beer-Lambert law and reference standard calibration. |
| Moisture Content | Karl Fischer Titration | Quantifies water via coulometric or volumetric titration with iodine-based reagent, based on stoichiometric reaction with water. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Determines trace metal impurities by measuring absorption of specific wavelengths of light by ground-state atoms in flame or graphite furnace. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic residue after controlled high-temperature ashing and subsequent weighing. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride anions using ion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitates sulfate as BaSO4 under controlled acidic conditions and determines mass after filtration and drying. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Measures hydrogen ion activity using calibrated glass electrode and pH meter in standardized dilute solution. |
| Organic Impurities (Related Substances) | High-Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally related compounds using reversed-phase C18 column and UV detection. |
| Iron (Fe) Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomizes and excites sample in argon plasma; measures element-specific emission intensities. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Drying | Determines volatile content by measuring weight loss after heating at specified temperature (e.g., 105 C) under controlled atmosphere. |
| Solubility in Water | Visual Inspection / Filtration Test | Evaluates complete dissolution and absence of insoluble particles in specified volume of water at defined temperature and time. |
| Color (APHA) | APHA Colorimetry | Compares sample solution color to platinum-cobalt standard solutions using visual or instrumental color matching. |
| Test Item | Specification |
|---|---|
| Appearance | Dark bluish black powder |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in water and ethanol (1:10 w/v, clear to slightly hazy solution) |
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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.