JENNER'S STAIN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 62851-42-7 |
| Product name | JENNER'S STAIN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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 JENNER'S STAIN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk JENNER'S STAIN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of JENNER'S STAIN
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antibacterial agents | Prepared via coupling reaction with aromatic amines |
| Dyes | Intermediate for textile dyeing | Adsorbs onto and fixes to cellulose fibers under acidic conditions |
| Cosmetics | Colorant (for external use only) | Formulated with carrier solvents and microencapsulated for use in color cosmetics |
| Analytical Chemistry | pH indicator or dye-based probe | Used in colorimetric analysis to detect specific ion concentrations via spectroscopic methods |
Manufacturing Quality Control of JENNER'S STAIN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on iodine-sulfur dioxide reaction in pyridine-methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Weight loss upon high-temperature ashing followed by residue mass measurement to determine inorganic impurities. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification of trace metals after acid digestion, using inductively coupled plasma mass spectrometry for ultra-trace sensitivity. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection after ion exchange separation. |
| Sulfate Impurity | Turbidimetric Method | Measurement of turbidity formed by barium sulfate precipitate in acidic medium, proportional to sulfate concentration. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents using gas chromatography with flame ionization detection. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in 1% w/v aqueous solution using calibrated glass electrode and pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate volume-based particle size distribution in dispersed suspension. |
| Bulk Density | Tap Density Measurement | Mass per unit volume determined after standardized tapping of sample in calibrated cylinder according to USP <616>. |
| Color Value (APHA) | Visual Comparison or Spectrophotometric | Quantification of yellowness index using APHA scale via visual comparison to platinum-cobalt standards or spectrophotometric absorbance at 430 nm. |
| Solubility in Water | Gravimetric Dissolution Test | Measurement of undissolved residue after stirring specified amount in water at defined temperature and time, followed by filtration and drying. |
Technical Specifications of JENNER'S STAIN
| Test Item | Specification |
|---|---|
| Appearance | Dark red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 215-220°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in dimethylformamide and hot acetic acid; slightly soluble in ethanol; insoluble in water |
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 JENNER'S STAIN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of JENNER'S STAIN
Industrial JENNER'S STAIN 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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