Azobenzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 103-33-3 |
| Product name | Azobenzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 Azobenzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Azobenzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Azobenzene
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Intermediate for synthesizing other organic compounds | Produced via diazotization of nitrobenzene with aniline under acidic conditions, followed by coupling with aniline to form azobenzene |
| Dye Industry | Production of azo dyes | Used as a precursor in azo dye synthesis via coupling reactions between diazonium salts and aromatic amines |
| Pharmaceutical Industry | Intermediate in the synthesis of certain pharmaceuticals | Employed as a structural building block in multistep organic synthesis reactions |
| Materials Science | Preparation of photochromic materials | Leveraged for photoresponsive material development based on the photoisomerization behavior of azobenzene |
| Research | Reference standard in analytical chemistry | Used as a reference substance in chromatographic or spectroscopic analysis |
Manufacturing Quality Control of Azobenzene
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | High-Performance Liquid Chromatography (HPLC) | Separates azobenzene using a reverse-phase chromatographic column, with UV detection at around 254 nm. Quantitative analysis is performed via a standard calibration curve. |
| Purity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Vaporizes the sample and separates it by chromatography, followed by qualitative and quantitative analysis using mass spectrometry to effectively identify impurities and isomers. |
| Structural Confirmation | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Azobenzene exhibits characteristic absorption peaks in the 300–450 nm range (due to π→π* and n→π* transitions), useful for structural verification and concentration estimation. |
| Structural Identification | Nuclear Magnetic Resonance Spectroscopy (NMR) | Uses ¹H NMR and ¹³C NMR to analyze the chemical environments of hydrogen and carbon atoms, confirming the structure of azobenzene and positions of substituents. |
| Impurity Detection | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines the high separation power of HPLC with the high sensitivity of MS to detect trace organic impurities or degradation products. |
| Residual Solvent Analysis | Gas Chromatography (GC) | Detects residual organic solvents (e.g., benzene, toluene) possibly remaining from manufacturing processes according to ICH guidelines, ensuring compliance with safety limits. |
| Polymorph Analysis (Solid State) | X-Ray Diffraction (XRD) | Analyzes the crystal structure of azobenzene to determine the presence of polymorphism, which is important for stability and solubility. |
| Thermal Stability | Differential Scanning Calorimetry (DSC) | Measures melting point and phase transitions to evaluate thermal stability and detect impurities or decomposition. |
Technical Specifications of Azobenzene
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown crystalline solid |
| Purity | >=98.0% (by GC-MS) |
| Melting Point | 67–69°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=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 Azobenzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Azobenzene
Packaging of Azobenzene
Industrial Azobenzene 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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