Diethyl azodicarboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1972-28-7 |
| Product name | Diethyl azodicarboxylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial 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 Diethyl azodicarboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl azodicarboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl azodicarboxylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an azo-based blowing agent and organic synthesis intermediate for constructing heterocyclic structures in drug molecules | Participates in [3+2] cycloaddition and Mitsunobu reactions under mild conditions to form C–N and C–O bonds |
| Pesticides | Intermediate for synthesizing nitrogen-containing heterocyclic pesticide active ingredients | Introduces azo groups via reaction with alkenes or nucleophiles, followed by conversion to the target pesticide molecule |
| Polymers | Free-radical initiator for polymerization reactions | Decomposes thermally to generate free radicals, initiating polymerization of vinyl monomers (e.g., acrylates) |
| Organic Synthesis | Key reagent in Mitsunobu reactions for stereochemical inversion of alcohols and for ether and ester formation | Acts synergistically with triphenylphosphine to convert alcohols into leaving groups, enabling nucleophilic substitution |
| Dyes | One of the precursors for azo dye synthesis | Generates colored azo compounds via reduction or coupling reactions |
Manufacturing Quality Control of Diethyl azodicarboxylate
| Test Item | Common Testing Method | Method Summary |
|---|---|---|
| Purity/Content Determination | Gas Chromatography (GC) | A gas chromatograph with an appropriate stationary phase (e.g., DB-5, HP-5 capillary columns) is used to separate the sample. The main peak area of diethyl azodicarboxylate is quantitatively analyzed using a Flame Ionization Detector (FID) or Mass Spectrometer (MS), and its purity or content is calculated by external standard method or internal standard method. |
| Appearance and Properties | Visual Inspection Method | The color, state (usually yellow to reddish-orange liquid), transparency, and presence of suspended particles or sediment are observed under standard lighting conditions, in accordance with pharmacopoeia or enterprise standards. |
| Moisture Content | Karl Fischer Titration | Water content is determined by quantitative reaction between Karl Fischer reagent and water in the sample using coulometric or volumetric methods, ensuring that the dryness meets quality requirements (typically ≤0.5%). |
| Acid Value/Free Acid | Acid-Base Titration Method | The sample is dissolved in neutral ethanol or isopropanol, phenolphthalein is used as an indicator, and free acid content (expressed as acetic acid) is calculated by titration with standardized sodium hydroxide solution, reflecting the degree of decomposition or hydrolysis of raw materials. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After digestion, heavy metal elements such as lead, cadmium, mercury, and arsenic are measured using AAS or ICP-MS to ensure compliance with relevant regulatory limits (e.g., ICH Q3D). |
| Residual Solvents | Headspace-Gas Chromatography (HS-GC) | Volatile organic solvents (e.g., ethanol, toluene) in the sample are introduced into the GC system via headspace sampling, and residual solvents are quantitatively analyzed using FID detection to ensure compliance with ICH Q3C limits. |
| Thermal Stability/Decomposition Temperature | Differential Scanning Calorimetry (DSC) or Thermogravimetric Analysis (TGA) | The onset temperature of exothermic decomposition of diethyl azodicarboxylate is determined by DSC, or its mass loss during heating is monitored by TGA to assess thermal stability and storage safety. |
Technical Specifications of Diethyl azodicarboxylate
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 102.0–106.0°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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 Diethyl azodicarboxylate
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NMR Spectra of Diethyl azodicarboxylate
Packaging of Diethyl azodicarboxylate
Industrial Diethyl azodicarboxylate 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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