Methacrylic anhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 760-93-0 |
| Product name | Methacrylic anhydride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Methacrylic anhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methacrylic anhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methacrylic anhydride
| Industry | Application | Process |
|---|---|---|
| Polymer Materials | Used in the synthesis of poly(methyl methacrylate) (PMMA) resins or modified polymers | Polymerization, copolymerization |
| Pharmaceuticals | Serves as a protecting group or a reactive monomer for introducing the methacryloyl group in drug synthesis | Organic synthesis intermediate |
| Rubber Industry | Applied as a vulcanization modifier (crosslinking agent) for butyl rubber | Rubber vulcanization, crosslinking modification |
| Coatings & Adhesives | Used to formulate high-performance acrylic resin coatings and structural adhesives | Solution polymerization, emulsion polymerization |
| Fiber Treatment | Applied in flame-retardant finishing or surface modification of textiles | Impregnation process, coating process |
Manufacturing Quality Control of Methacrylic anhydride
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, state, and clarity of the sample. Typically a colorless to light yellow transparent liquid. |
| Content (Purity) | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Separate components using gas or high-performance liquid chromatography. Quantify the main component content by comparison with standard substances to evaluate product purity. |
| Acid Value (or Free Acid Content) | Acid-Base Titration | Determine free acids (e.g., unreacted methacrylic acid) in the sample using a standard sodium hydroxide solution. Calculate the acid value (mg KOH/g) to reflect the degree of anhydride hydrolysis. |
| Moisture Content | Karl Fischer Titration | Determine trace moisture content through quantitative reaction with Karl Fischer reagent to prevent anhydride hydrolysis and deterioration. |
| Density | Densitometer Method or Pycnometer Method | Measure mass per unit volume at a specified temperature (e.g., 20°C) to verify material consistency. |
| Refractive Index | Refractometry | Use an Abbe refractometer to measure the refractive index at a specific temperature as a physical constant for identification and purity assessment. |
| Infrared Spectroscopy (IR) | Fourier Transform Infrared Spectroscopy (FT-IR) | Obtain the infrared absorption spectrum of the sample and compare it with standard spectra to confirm the presence of functional groups (e.g., anhydride C=O characteristic peaks ~1800 cm⁻¹, ~1760 cm⁻¹) and structural consistency. |
| Boiling Point/Range | Distillation Method | Determine the boiling point or boiling range under standard atmospheric pressure to assess purity and impurity levels. |
| Impurity Analysis | GC-MS or HPLC-MS | Couple chromatography with mass spectrometry to qualitatively and quantitatively detect possible organic impurities, such as monomers, solvent residues, or by-products. |
| Color | Platinum-Cobalt Colorimetric Method | Evaluate the color intensity of liquid samples by comparing with standard color scales to reflect the degree of refinement. |
Technical Specifications of Methacrylic anhydride
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.418–1.422 |
| Relative Density (20°C/25°C) | 0.970–0.980 g/cm³ |
| Odor | Characteristic pungent 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 Methacrylic anhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methacrylic anhydride
Packaging of Methacrylic anhydride
Industrial Methacrylic anhydride 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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