N-Vinyl-2-pyrrolidone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 88-12-0 |
| Product name | N-Vinyl-2-pyrrolidone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic GradeCosmetic GradeFood 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-Vinyl-2-pyrrolidone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Vinyl-2-pyrrolidone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Vinyl-2-pyrrolidone
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical excipient (e.g., tablet disintegrant, binder), sustained-release formulation carrier, and thickener for ophthalmic preparations | Directly incorporated into formulations or polymerized/crosslinked to form hydrogel matrices |
| Cosmetics | Functions as a film-former, styling agent (e.g., hair spray, mousse), humectant, and carrier for active ingredients | Co-polymerized with acrylic monomers to produce polymers, or formulated directly as aqueous or alcoholic solutions |
| Coatings & Inks | Used as a film-forming aid in waterborne coatings, monomer in UV-curable resins, and viscosity modifier for inks | Participates in free-radical polymerization and co-polymerizes with other monomers (e.g., acrylates) to form crosslinked networks |
| Polymers | Used to synthesize polyvinylpyrrolidone (PVP) and its co-polymers for separation membranes, adsorption materials, and water treatment agents | Produced via free-radical polymerization (thermally or photo-initiated) to yield homopolymers or co-polymers with monomers such as vinyl acetate |
| Electronic Chemicals | Used as an additive in photoresists, a modifying component in semiconductor encapsulation materials, and a dispersant/stabilizer in conductive pastes | Incorporated as a functional monomer into the polymer backbone to enhance hydrophilicity, adhesion, and dispersion stability |
| Textiles & Dyeing | Used as a printing thickener, dyeing auxiliary, and fiber surface modifier | Blended with natural or synthetic thickeners, or grafted/co-polymerized to improve fiber affinity and color fastness |
Manufacturing Quality Control of N-Vinyl-2-pyrrolidone
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color and transparency under natural or standard lighting to determine if it is a colorless to pale yellow transparent liquid. |
| Color (APHA) | Platinum-Cobalt Colorimetric Method (GB/T 3143 or ASTM D1209) | Compare the sample with platinum-cobalt standard solutions to determine color value and assess purity and impurity levels. |
| Content (Purity) | Gas Chromatography (GC) | Use capillary column gas chromatography with internal or external standard method to measure the peak area of NVP and calculate its weight percentage. |
| Moisture | Karl Fischer Titration | Electrochemical titration method for determining trace moisture; suitable for precise analysis of low water content. |
| pH Value | pH Meter Method | Dissolve NVP in deionized water and measure the pH using a calibrated pH meter to evaluate acidic or basic impurities. |
| Residual Monomers (e.g., vinyl monomers) | Gas Chromatography (GC) | Detect unreacted raw materials or by-product monomers (e.g., pyrrolidone, ethylamine) to assess the extent of reaction completion. |
| Peroxides | Iodometric Method or Colorimetric Method | Determine peroxide content by reacting with potassium iodide to release iodine, followed by titration with sodium thiosulfate or colorimetric analysis, ensuring storage stability. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Digest the sample and measure elemental content of heavy metals such as lead, mercury, cadmium, and arsenic to meet pharmaceutical or electronic-grade material requirements. |
| UV Absorbance (Transmittance) | UV-Visible Spectrophotometry (UV-Vis) | Measure transmittance at specific wavelengths (e.g., 275 nm, 350 nm) to evaluate the presence of conjugated impurities or polymerization-initiating impurities. |
| Acid Value/Acidity | Acid-Base Titration | Titrate free acids in the sample with standard sodium hydroxide solution, expressed as mg KOH/g, indicating the level of acidic impurities. |
| Density | Densitometer or Pycnometer Method | Measure mass per unit volume at a specified temperature (e.g., 20°C) for verification of physical properties. |
| Refractive Index | Abbe Refractometer Method | Measure refractive index at a specified temperature as an auxiliary indicator of purity. |
Technical Specifications of N-Vinyl-2-pyrrolidone
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (by GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.489–1.493 |
| Relative Density (20°C/25°C) | 1.027–1.031 g/cm³ |
| Color (APHA/Pt-Co) | <=10 |
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-Vinyl-2-pyrrolidone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Vinyl-2-pyrrolidone
Packaging of N-Vinyl-2-pyrrolidone
Industrial N-Vinyl-2-pyrrolidone 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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