N-Phenylmaleimide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 941-69-5 |
| Product name | N-Phenylmaleimide |
| 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-Phenylmaleimide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Phenylmaleimide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Phenylmaleimide
| Industry | Application | Process |
|---|---|---|
| Polymers | Used as a comonomer to enhance the heat resistance, rigidity, and dimensional stability of acrylonitrile–butadiene–styrene (ABS) resins | Free-radical copolymerization with styrene, acrylonitrile, and other monomers to produce heat-resistant ABS resins |
| Polymers | Used in the synthesis of high-temperature-resistant epoxy curing agents | Addition reaction with epoxy resins under heating to form crosslinked network structures |
| Rubber Industry | Used as a vulcanization co-agent and modifier to improve rubber’s heat resistance and abrasion resistance | Added during rubber compounding together with other additives and participating in crosslinking reactions during vulcanization |
| Coatings Industry | Used as a functional monomer for manufacturing high-performance coating resins | Copolymerized with (meth)acrylate monomers to synthesize acrylic resins exhibiting superior adhesion and weather resistance |
| Photosensitive Materials | Used as a photoreactive crosslinking component in photoresists and UV-curable resins | Undergoes [2+2] cycloaddition upon UV irradiation to achieve photoinitiated crosslinking and curing |
Manufacturing Quality Control of N-Phenylmaleimide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 220 nm. |
| Appearance | Visual Inspection | Assessment of physical state and color by observing sample in a clear glass container under controlled white light. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, measured using calibrated capillary tube method per USP <741>. |
| Loss on Drying | Gravimetric Method (Oven Drying) | Measurement of mass loss after drying under specified temperature and vacuum conditions, indicating volatile impurities and residual solvents. |
| Residue on Ignition | Sulfated Ash Method | Determination of inorganic residue remaining after high-temperature incineration in presence of sulfuric acid. |
| Chloride Content | Potentiometric Titration with AgNO3 | Quantification of chloride ions via argentometric titration using silver nitrate and a silver indicator electrode. |
| Heavy Metals | ICP-OES | Multi-element detection of Pb, Cd, Hg, As, and other regulated metals after acid digestion and plasma excitation. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical quantification of water based on iodine generation and stoichiometric reaction with water in anhydrous methanol medium. |
| Related Substances | HPLC-DAD | Separation and identification of structurally similar impurities using gradient HPLC with diode-array detection and spectral library matching. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., maleic acid, benzoic acid) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Solvent Residues (e.g., Toluene, Acetone) | GC-FID | Quantitative analysis of residual organic solvents using gas chromatography with flame ionization detection and internal standard calibration. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume of freely settled powder in a calibrated cylinder, reported as g/mL. |
Technical Specifications of N-Phenylmaleimide
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 92–96°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Odor | Characteristic mild odor |
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-Phenylmaleimide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Phenylmaleimide
Packaging of N-Phenylmaleimide
Industrial N-Phenylmaleimide 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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