4-Methoxystyrene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 637-69-4 |
| Product name | 4-Methoxystyrene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic GradeSpecialty 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 4-Methoxystyrene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methoxystyrene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methoxystyrene
| Industry | Application | Process |
|---|---|---|
| Polymers | Used as a comonomer in the synthesis of functional polymers and copolymers | Free-radical polymerization, emulsion polymerization, or solution polymerization, copolymerized with other vinyl monomers (e.g., styrene, acrylates) |
| Pharmaceutical Intermediates | Serves as a precursor in the synthesis of drug molecules or bioactive compounds | Introduction of the methoxyphenyl structural unit via electrophilic substitution, oxidation, reduction, or coupling reactions |
| Fine Chemicals | Used in the preparation of fragrances, liquid crystal materials, or optically active compounds | Employed as a building block in organic synthesis, e.g., Heck reaction, Suzuki coupling |
| Coatings & Adhesives | Enhances weather resistance, adhesion, or flexibility of coatings | Applied as a modifying monomer in resin synthesis, e.g., copolymer modification of acrylic or alkyd resins |
| Electronic Chemicals | Used in the preparation of photoresists or dielectric materials | Functioning as a functional monomer in photoinitiated polymerization systems for the synthesis of photoresists or encapsulation materials |
Manufacturing Quality Control of 4-Methoxystyrene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 750-800 C. |
| Acidity (as p-TSA) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color to APHA platinum-cobalt standards or measurement of absorbance at 430 nm. |
| Refractive Index | Refractometry | Measurement of light bending angle at 20 C using a calibrated Abbe refractometer. |
| Specific Gravity | Pycnometry | Determination of density relative to water at 20/20 C using a calibrated pycnometer. |
| Peroxide Value | Iodometric Titration | Oxidation of potassium iodide by peroxides, followed by titration of liberated iodine with sodium thiosulfate. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, using lead-specific hollow cathode lamp and air-acetylene flame. |
| Chlorinated Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Identification and quantification of chlorinated by-products via retention time and characteristic mass fragments. |
| Polymer Content | Gravimetric Filtration | Isolation and weighing of insoluble polymer formed upon controlled thermal aging or initiator-induced polymerization. |
| Odor | Sensory Evaluation | Assessment by trained personnel against defined odor descriptors and intensity scale per ASTM E544. |
Technical Specifications of 4-Methoxystyrene
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS, stabilized with TBC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.556–1.560 |
| Relative Density (20°C/25°C) | 0.965–0.972 g/cm³ |
| Odor | Characteristic styrenic 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 4-Methoxystyrene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methoxystyrene
Packaging of 4-Methoxystyrene
Industrial 4-Methoxystyrene 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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