N,N-Diethyl-p-phenylenediamine oxalate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 62637-92-7 |
| Product name | N,N-Diethyl-p-phenylenediamine oxalate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty 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 N,N-Diethyl-p-phenylenediamine oxalate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N,N-Diethyl-p-phenylenediamine oxalate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N,N-Diethyl-p-phenylenediamine oxalate
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Reagent for residual chlorine determination | Colorimetric reagent in spectrophotometric (DPD) analysis, reacting with free chlorine to form a red compound for quantitative measurement |
| Environmental Monitoring | Water quality testing | Rapid on-site or laboratory detection of residual chlorine in drinking water, swimming pool water, and wastewater |
| Analytical Chemistry | Oxidation-reduction indicator | Colorimetric redox indicator in titration analysis |
| Chemical Reagents Manufacturing | Raw material for DPD reagents | Core component in the synthesis of N,N-diethyl-p-phenylenediamine (DPD)-based test reagents |
Manufacturing Quality Control of N,N-Diethyl-p-phenylenediamine oxalate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification 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 via iodine-sulfur dioxide reaction in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter, then weighing inorganic residue after cooling in desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantitative determination of total heavy metals by flame or graphite furnace AAS after acid digestion. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver electrode to detect endpoint based on AgCl precipitation potential change. |
| Sulfate Impurity | Turbidimetric Method | Reaction with barium chloride under acidic conditions to form BaSO4 precipitate; quantified by light scattering measurement. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC with diode-array detection, comparing retention times and spectra to reference compounds. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous solution using calibrated glass electrode and pH meter. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually in capillary tube under controlled heating. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Detection and quantification of residual solvents using headspace GC with flame ionization detection. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder in a calibrated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry powder dispersed by air jet. |
Technical Specifications of N,N-Diethyl-p-phenylenediamine oxalate
| Test Item | Specification |
|---|---|
| Appearance | Quasi-white crystalline solid |
| Purity | >=98.5% (by NMR) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
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 N,N-Diethyl-p-phenylenediamine oxalate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N,N-Diethyl-p-phenylenediamine oxalate
Safety Information of N,N-Diethyl-p-phenylenediamine oxalate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N,N-Diethyl-p-phenylenediamine oxalate
Industrial N,N-Diethyl-p-phenylenediamine oxalate 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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