1,4-Bis(4-aminophenoxy)benzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3491-12-1 |
| Product name | 1,4-Bis(4-aminophenoxy)benzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 1,4-Bis(4-aminophenoxy)benzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,4-Bis(4-aminophenoxy)benzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,4-Bis(4-aminophenoxy)benzene
| Industry | Application | Process |
|---|---|---|
| Polymers | Monomer for synthesizing high-performance polymers | Combined with other aromatic compounds via condensation or addition polymerization to produce specialty engineering plastics such as polyetherketone |
| Pharmaceuticals | Pharmaceutical intermediate | Used in synthesizing biologically active organic compounds, potentially supporting development of anti-inflammatory, antimicrobial, or anticancer drugs |
| Chemical Reagents | Intermediate for synthesizing other organic compounds | Converted into various functionalized aromatic compounds through substitution or coupling reactions |
Manufacturing Quality Control of 1,4-Bis(4-aminophenoxy)benzene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750-800 C to combust organic matter, then weighing inorganic residue after cooling in desiccator. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals after acid digestion, using plasma excitation and optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions on an anion-exchange column with conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary tube under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration against established reference standards. |
| Solubility in Common Solvents | Qualitative Solubility Test | Observation of complete dissolution in specified solvents (e.g., DMF, THF) at defined temperature and concentration. |
| Iron Content | AAS | Atomic absorption spectroscopy measurement of Fe after microwave-assisted acid digestion and dilution. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample with sulfuric acid pretreatment followed by weighing of residual inorganic ash. |
| Related Substances | HPLC-UV | Identification and quantification of structurally similar impurities using gradient HPLC with UV detection and relative response factors. |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after standardized tapping of a known powder mass in a graduated cylinder. |
Technical Specifications of 1,4-Bis(4-aminophenoxy)benzene
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 255-259 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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 1,4-Bis(4-aminophenoxy)benzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,4-Bis(4-aminophenoxy)benzene
Safety Information of 1,4-Bis(4-aminophenoxy)benzene
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,4-Bis(4-aminophenoxy)benzene
Industrial 1,4-Bis(4-aminophenoxy)benzene 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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