N-Methylolacrylamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 924-42-5 |
| Product name | N-Methylolacrylamide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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-Methylolacrylamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Methylolacrylamide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Methylolacrylamide
| Industry | Application | Process |
|---|---|---|
| Coatings | Used as a crosslinker to enhance film hardness, water resistance, and chemical resistance | Co-polymerized with acrylic monomers to form thermosetting resins |
| Adhesives | Enhances bond strength and improves heat and water resistance | Reacted with other monomers via free-radical polymerization to form crosslinked structures |
| Textiles | Applied in fabric finishing to improve wrinkle resistance and dimensional stability | Reacts with cellulose fibers to form crosslinked networks |
| Papermaking | Used as a wet-strength agent to improve paper’s wet tensile strength and durability | Added during the papermaking process to form covalent bonds with fibers |
| Photoresists | Used as a photosensitive resin component in semiconductor photolithography | Crosslinked upon UV irradiation to form patterned structures |
| Water Treatment | Used in flocculant synthesis to improve wastewater sedimentation efficiency | Co-polymerized with acrylamide to produce high-molecular-weight flocculants |
| Medical Devices | Used to prepare medical polymers (e.g., contact lenses, wound dressings) | Co-polymerized with other monomers to form biocompatible networks |
| Plastic Modification | Improves mechanical properties and heat resistance of plastics | Used as a reactive monomer in grafting or crosslinking reactions |
Manufacturing Quality Control of N-Methylolacrylamide
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Using a C18 reversed-phase column, water-methanol or water-acetonitrile as the mobile phase, and a UV detector (200–220 nm) to determine the peak area of N-HMA. The content is calculated using an external standard method, which offers high accuracy and good selectivity. |
| Moisture Content | Karl Fischer Titration | This method is based on the quantitative reaction between iodine and sulfur dioxide in pyridine and methanol to determine the amount of water. It uses electrochemical or volumetric methods to measure trace moisture in samples, suitable for low-moisture samples such as solid N-HMA. |
| Free Formaldehyde Content | Acetylacetone Spectrophotometry | N-HMA releases formaldehyde under acidic conditions, which reacts with acetylacetone to form a yellow compound. The absorbance is measured at 412 nm, and the concentration is determined by a standard curve. This method is sensitive and complies with standards such as GB/T 23993. |
| Melting Point | Melting Point Apparatus Method | A digital melting point apparatus is used to heat the dried sample, and the temperature range from the initial melting to complete melting is recorded. The typical melting point of N-HMA is 85–89°C, used to assess crystal purity and crystallization state. |
| Appearance and Color | Visual Observation + Colorimetry (APHA) | Observe whether the sample is a white crystalline powder, checking for impurities or lumps. A colorimeter is used to measure the APHA color of the aqueous solution to evaluate the whiteness and contamination level of the product. |
| Solubility | Solubility Test Method | At 25°C, the sample is added to solvents such as water, ethanol, or acetone, and stirred until equilibrium is reached. The maximum solubility concentration is determined to verify the physical properties of the product meet specifications. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After acid digestion, the sample is analyzed using AAS or ICP-MS to determine the levels of heavy metals such as lead, cadmium, mercury, and arsenic, ensuring compliance with food/medical-grade raw material safety standards (e.g., GB 31604). |
| Residual Solvents (e.g., Methanol) | Gas Chromatography (GC-FID) | Using headspace injection or direct injection, residual organic solvents are separated using a capillary column and quantified with a FID detector. This method complies with the ICH Q3C guideline and is suitable for controlling high-purity products. |
| pH Value (Aqueous Solution) | Glass Electrode pH Meter Method | A 1% aqueous solution is prepared, and its acidity or alkalinity is measured using a calibrated pH meter. The aqueous solution of N-HMA is typically slightly acidic (pH 5–7), used to assess hydrolytic stability and the impact of storage conditions. |
| Thermal Stability (TGA/DSC) | Thermogravimetric Analysis (TGA)/Differential Scanning Calorimetry (DSC) | TGA measures mass loss during heating to determine decomposition temperature, while DSC analyzes the melting endothermic peak and possible exothermic peaks from side reactions, assessing thermal stability and batch consistency. |
Technical Specifications of N-Methylolacrylamide
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 72-76°C |
| 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 N-Methylolacrylamide
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NMR Spectra of N-Methylolacrylamide
Packaging of N-Methylolacrylamide
Industrial N-Methylolacrylamide 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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