p-[[p-(phenylazo)phenyl]azo]phenol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6250-23-3 |
| Product name | p-[[p-(phenylazo)phenyl]azo]phenol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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) |
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Documents We Provide for p-[[p-(phenylazo)phenyl]azo]phenol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk p-[[p-(phenylazo)phenyl]azo]phenol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of p-[[p-(phenylazo)phenyl]azo]phenol
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing and Printing | Dyeing and printing of cotton and viscose rayon | Exhaust dyeing, jigger dyeing, pad dyeing, and printing (requires a fixing agent) |
| Leather Industry | Leather coloring | Exhaust dyeing or finishing application |
| Paper Industry | Paper coloring (for production of colored paper and packaging paper) | Addition to pulp during papermaking (wet-end addition) |
| Plastics Industry | Coloring of thermoplastic resins such as polyvinyl chloride (PVC) and polyethylene (PE) | Melt extrusion, injection molding, or calendering |
| Ink Manufacturing | Coloring of solvent-based and water-based packaging printing inks | Grinding and dispersion into the vehicle, followed by formulation into gravure or flexographic inks |
Manufacturing Quality Control of p-[[p-(phenylazo)phenyl]azo]phenol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with certified reference standard using reversed-phase chromatography and UV detection at 380-420 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with sulfur dioxide in pyridine/methanol medium. |
| Ash Content | Gravimetric Analysis | Residue mass after incineration at 550-600 C, expressed as percentage of original sample weight. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption measurement of metal ion concentration after acid digestion and matrix matching. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration using silver nitrate and silver/sulfide electrode to detect endpoint via potential change. |
| pH of Aqueous Suspension | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a standardized 1% w/v aqueous dispersion. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate volume-based size distribution. |
| Bulk Density | ASTM D1895 Method A | Mass per unit volume of freely settled powder measured in a calibrated cylinder under standardized conditions. |
| Color Strength (Tinting Strength) | Reflectance Spectrophotometry | Comparison of reflectance ratio (R457/R700) against primary standard using spectrophotometer with d/8 geometry. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents and volatile organics using capillary column and flame ionization detection. |
| Sulphated Ash | Gravimetric Analysis | Residue mass after sulphuric acid treatment followed by incineration at 750 C, expressed as percentage of original sample weight. |
| Substance Loss on Drying | Thermogravimetric Analysis (TGA) | Mass loss measured under controlled heating (105 C, 2 h) in air, reported as percentage of initial mass. |
Technical Specifications of p-[[p-(phenylazo)phenyl]azo]phenol
| Test Item | Specification |
|---|---|
| Appearance | Yellow crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-235°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in dimethylformamide, 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 p-[[p-(phenylazo)phenyl]azo]phenol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of p-[[p-(phenylazo)phenyl]azo]phenol
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of p-[[p-(phenylazo)phenyl]azo]phenol
Industrial p-[[p-(phenylazo)phenyl]azo]phenol 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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