N-Vinylcaprolactam Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2235-00-9 |
| Product name | N-Vinylcaprolactam |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic 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 N-Vinylcaprolactam
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Vinylcaprolactam Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Vinylcaprolactam
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Used in polymerization or condensation reactions to prepare specific drug molecules |
| Materials Science | Polymer synthesis | Acts as a monomer in free-radical polymerization to produce polymeric materials |
| Coatings | Resin modification | Applied to enhance the thermal stability and mechanical properties of resins |
| Textiles | Fiber modification | Employed in the synthesis of high-performance fibers to improve heat resistance |
| Electronics | Electronic encapsulation materials | Used to formulate high-temperature-resistant, low-dielectric-constant encapsulation materials |
Manufacturing Quality Control of N-Vinylcaprolactam
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected amperometrically. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator or potentiometric endpoint. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Comparison of sample color intensity against platinum-cobalt standards or measurement of absorbance at 455 nm in a 10-mm cell. |
| Residue on Ignition | Gravimetric Analysis after High-Temperature Ashing | Sample is ignited at 750-800 C to volatilize organic matter; inorganic residue is weighed after cooling in a desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms in a flame or graphite furnace. |
| Peroxide Value | Iodometric Titration | Oxidation of potassium iodide by peroxides to liberate iodine, followed by titration with standardized sodium thiosulfate solution. |
| Refractive Index | Refractometry at 20 C | Measurement of light bending angle at the liquid-air interface using a calibrated Abbe refractometer; correlates with purity and composition. |
| Specific Gravity | Digital Density Meter or Pycnometer | Ratio of sample density to water density at specified temperature, determined by oscillating U-tube or buoyancy principle. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Thermal equilibration of sample in sealed vial followed by GC analysis of vapor phase to detect low-boiling contaminants. |
| Aldehyde Content (as formaldehyde) | Spectrophotometry after reaction with acetylacetone | Derivatization with acetylacetone under acid catalysis forms a yellow chromophore measured at 412 nm. |
| Appearance | Visual Inspection in Clear Glass Container | Assessment of clarity and absence of suspended particles or phase separation under controlled white-light illumination. |
Technical Specifications of N-Vinylcaprolactam
| Test Item | Specification |
|---|---|
| Appearance | Light yellow liquid |
| Assay | ≥99.0% |
| Hexahydro-2H-azep in-2-one | ≤1.5% |
| Water | ≤1.5% |
| Color(APHA) | ≤50 |
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-Vinylcaprolactam
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Vinylcaprolactam
Packaging of N-Vinylcaprolactam
Industrial N-Vinylcaprolactam 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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