N,N-Diethyl-1,4-phenylenediamine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 93-05-0 |
| Product name | N,N-Diethyl-1,4-phenylenediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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-1,4-phenylenediamine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N,N-Diethyl-1,4-phenylenediamine 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-1,4-phenylenediamine
| Industry | Application | Process |
|---|---|---|
| Photographic materials industry | Color developing agent | Serves as the primary component in color developing solutions, reducing exposed silver halides to metallic silver while undergoing oxidation and coupling with color couplers to form dye images |
| Dye industry | Dye intermediate | Used in the synthesis of azo dyes, acid dyes, and organic pigments via diazotization and coupling reactions |
| Analytical chemistry | Reagent for environmental and water quality analysis | Applied in spectrophotometric determination of free chlorine, residual chlorine, and sulfides (e.g., methylene blue method for hydrogen sulfide) |
| Pharmaceutical industry | Pharmaceutical intermediate | Employed in the synthesis of antimalarial agents (e.g., pentamidine) and other organic amine-based drugs |
| Industrial monitoring | Occupational hygiene testing | Functions as a chromogenic reagent for detecting oxidizing gases such as ozone and chlorine in ambient air |
Manufacturing Quality Control of N,N-Diethyl-1,4-phenylenediamine
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection Method | Observe the sample's color, state, and presence of impurities with the naked eye. N,N-Diethyl-p-phenylenediamine (DPD) is typically a white to pale pink crystalline powder. |
| Purity/Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 chromatographic column with methanol-water or acetonitrile-water as the mobile phase. Detect using a UV detector (e.g., at 254 nm or 270 nm wavelength), and calculate the main component content using external standard method or area normalization method. |
| Melting Point | Capillary Melting Point Determination Method | Load the sample into a melting point capillary tube and slowly increase the temperature in a melting point apparatus. Record the initial and final melting temperatures; the standard melting point range for DPD is approximately 109–113 °C. |
| Loss on Drying | Drying Loss Method | Dry the sample at a specified temperature (e.g., 105 °C) until constant weight is achieved. Calculate the percentage reduction in mass to evaluate moisture and volatile matter content. |
| Residue on Ignition | High-Temperature Ashing Method | Char the sample and then incinerate it in a muffle furnace (typically 700–800 °C) until constant weight is reached. Weigh the residual inorganic material to determine the total inorganic impurities. |
| Related Substances (Impurities) | HPLC Method (Gradient Elution) | Separate the main peak from potential impurity peaks (such as oxidation products or synthetic intermediates) using a gradient elution program. Assess the level of impurities based on peak area ratios, ensuring compliance with pharmacopoeial or internal control standards. |
| pH Value (Solution) | pH Meter Measurement Method | Prepare a solution of defined concentration (e.g., 1% DPD aqueous solution). Measure its acidity or alkalinity using a calibrated pH meter; it generally exhibits weak basic properties. |
| UV-Visible Absorption Spectrum | UV-Vis Spectrophotometry | Prepare an appropriately concentrated solution and scan the absorption spectrum between 200–400 nm wavelengths to identify characteristic absorption peaks (e.g., around 254 nm and 290 nm), used for identification and preliminary purity assessment. |
Technical Specifications of N,N-Diethyl-1,4-phenylenediamine
| Test Item | Specification |
|---|---|
| Appearance | Brown liquid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 45-49°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-1,4-phenylenediamine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N,N-Diethyl-1,4-phenylenediamine
Safety Information of N,N-Diethyl-1,4-phenylenediamine
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of N,N-Diethyl-1,4-phenylenediamine
Industrial N,N-Diethyl-1,4-phenylenediamine 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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