4,6-Diaminoresorcinol dihydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16523-31-2 |
| Product name | 4,6-Diaminoresorcinol dihydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial 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 4,6-Diaminoresorcinol dihydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,6-Diaminoresorcinol dihydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,6-Diaminoresorcinol dihydrochloride
| Industry | Application | Process |
|---|---|---|
| Polymers | Monomer for synthesizing high-performance polybenzoxazole (PBO) fibers | Condensation polymerization with dicarboxylic acids (e.g., terephthalic acid) to form rigid-chain polymers, followed by fiber spinning |
| Aerospace | Manufacturing lightweight, high-strength, heat-resistant composites and structural components | Reinforcing resin matrices with PBO fibers for high-temperature components in aircraft and spacecraft |
| Protective Equipment | Producing ballistic vests, cut-resistant gloves, and other protective gear | Weaving or laminating PBO fibers into protective materials, leveraging their high specific strength and impact resistance |
| Electronics | Producing high-temperature insulation materials or coatings | Incorporating PBO into circuit substrates or electronic component encapsulation to provide thermal stability and electrical insulation |
| Automotive | Manufacturing friction-resistant materials such as brake pads and clutch facings | Compounding PBO fibers with friction modifiers, then pressing or sintering into reinforced composites |
Manufacturing Quality Control of 4,6-Diaminoresorcinol dihydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to react stoichiometrically with water in the sample. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 750 C to constant weight and measuring non-volatile inorganic residue as percentage of original mass. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy after acid digestion; measures absorbance of ground-state atoms at element-specific wavelengths. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode array detection for spectral confirmation. |
| pH (1% aqueous solution) | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a standardized aqueous solution at 25 C. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample with sulfuric acid followed by high-temperature ashing and gravimetric determination of residual sulfate salts. |
| Iron (Fe) Content | ICP-OES | Inductively coupled plasma optical emission spectrometry after microwave-assisted acid digestion; detects element-specific emission lines. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measured under controlled heating (105 C, 2 h) in air, reported as percentage of initial mass. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles against established reference standards under controlled lighting. |
| Bulk Density | USP <616> Tap Density Method | Determined by measuring mass of known volume of powder after standardized tapping; expressed as g/mL. |
Technical Specifications of 4,6-Diaminoresorcinol dihydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Purple crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-250°C (decomposes) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 4,6-Diaminoresorcinol dihydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,6-Diaminoresorcinol dihydrochloride
Safety Information of 4,6-Diaminoresorcinol dihydrochloride
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,6-Diaminoresorcinol dihydrochloride
Industrial 4,6-Diaminoresorcinol dihydrochloride 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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