4-Methoxyphenyl isocyanate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5416-93-3 |
| Product name | 4-Methoxyphenyl isocyanate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 4-Methoxyphenyl isocyanate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methoxyphenyl isocyanate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methoxyphenyl isocyanate
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Used to synthesize intermediates for anti-inflammatory and antitumor agents |
| Pesticides | Fungicide synthesis | Serves as an organic synthetic intermediate for fungicides |
| Polyurethane industry | Synthesis of polyurethane materials | Reacts with polyols to produce functional polyurethanes |
| Chemical synthesis | Organic synthetic intermediate | Used in the preparation of isocyanate derivatives |
| Coatings and adhesives | Specialty resin synthesis | Applied in the synthesis of high-temperature-resistant, high-strength resins |
Manufacturing Quality Control of 4-Methoxyphenyl isocyanate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected amperometrically. |
| Acid Number | Acid-Base Potentiometric Titration | Neutralization of acidic impurities (e.g., residual HCl, carbamic acids) with standardized NaOH solution; equivalence point determined by pH inflection. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Sample heated at 700–800 °C to volatilize organic matter; inorganic residue mass measured after cooling in desiccator. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomization and excitation of metals in high-temperature plasma; quantification via element-specific emission line intensity. |
| Chloride Content | Ion Chromatography (IC) with Conductivity Detection | Separation of chloride anions on an ion-exchange column followed by quantitative detection based on electrical conductivity. |
| Color (APHA) | UV-Vis Spectrophotometry at 430 nm | Measurement of absorbance in a 10-mm cell relative to platinum-cobalt standard solutions; reported as APHA units. |
| Residual Solvents (e.g., Toluene, THF) | Headspace Gas Chromatography (HS-GC) with FID | Equilibration of sample in sealed vial at controlled temperature, followed by GC analysis of volatile compounds in the headspace. |
| Isocyanate Content (NCO %) | Dibutylamine Back-Titration | Reaction of NCO groups with excess dibutylamine, followed by acid titration of unreacted amine; NCO % calculated from amine consumption. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation of structurally related impurities (e.g., aniline derivatives, ureas) on reversed-phase C18 column; detection at 220–254 nm. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range over which solid phase converts to liquid under controlled heating rate. |
| Density | Oscillating U-tube Densitometry | Measurement of resonant frequency shift of a vibrating U-shaped tube filled with sample; density derived from calibration curve. |
| Refractive Index | Digital Refractometer | Determination of refractive index at 20 °C using sodium D-line (589 nm) based on critical angle measurement of light passing through sample prism interface. |
Technical Specifications of 4-Methoxyphenyl isocyanate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.550–1.560 |
| Relative Density (20°C/25°C) | 1.110–1.130 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 4-Methoxyphenyl isocyanate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methoxyphenyl isocyanate
Packaging of 4-Methoxyphenyl isocyanate
Industrial 4-Methoxyphenyl isocyanate 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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