4,4'-Azobis(4-cyanovaleric acid) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2638-94-0 |
| Product name | 4,4'-Azobis(4-cyanovaleric acid) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty 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 4,4'-Azobis(4-cyanovaleric acid)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Azobis(4-cyanovaleric acid) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Azobis(4-cyanovaleric acid)
| Industry | Application | Process |
|---|---|---|
| Polymers | Free-radical initiator for polymerization reactions | Used in free-radical polymerization of acrylic and vinyl monomers to initiate chain propagation and form polymeric materials |
| Plastics | Accelerates crosslinking and curing of thermosetting resins | Acts as a thermally decomposing initiator in polyester and unsaturated polyester resin systems to accelerate the curing process |
| Coatings & Adhesives | Initiates polymerization to enhance coating adhesion and hardness | Functions as a thermal initiator in solvent-based or radiation-curable coatings, participating in crosslinking reactions of film-forming components |
| Chemical Synthesis | Azo initiator for synthesizing nitrile-containing polymers | Decomposes at controlled temperatures to generate free radicals, initiating polymerization of nitrile-containing monomers (e.g., acrylonitrile derivatives) |
Manufacturing Quality Control of 4,4'-Azobis(4-cyanovaleric acid)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 280 nm, comparing peak area to a certified reference standard. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., ethyl acetate, toluene) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of iodine with water in a pyridine-methanol solvent system. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion, measuring emission intensities of metal atoms excited in an inductively coupled plasma. |
| Iron (Fe) | AAS | Atomic absorption spectroscopy using air-acetylene flame to measure absorbance of Fe at 248.3 nm after sample digestion. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions using an anion-exchange column and suppressed conductivity detection. |
| pH of Aqueous Suspension | Potentiometric Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using a calibrated glass electrode pH meter. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition temperature using controlled heating and visual observation of meniscus movement. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution in a dispersed slurry. |
| Organic Volatile Impurities (OVI) | GC-MS | Identification and quantification of structurally related impurities and degradation products using gas chromatography coupled with mass spectrometry. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 750 C to oxidize organics, followed by sulfuric acid treatment and final weighing of residual inorganic sulfate ash. |
| Microbial Contamination | Membrane Filtration | Filtration of dissolved sample through sterile membrane, then incubation on soybean-casein digest agar for aerobic microbial enumeration. |
Technical Specifications of 4,4'-Azobis(4-cyanovaleric acid)
| Test Item | Specification |
|---|---|
| Appearance | White powder or crystals |
| Purity | >=98.0% (by NMR) |
| Melting Point | 136–140 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 4,4'-Azobis(4-cyanovaleric acid)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Azobis(4-cyanovaleric acid)
Safety Information of 4,4'-Azobis(4-cyanovaleric acid)
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4,4'-Azobis(4-cyanovaleric acid)
Industrial 4,4'-Azobis(4-cyanovaleric acid) 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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