3-Chloro-4-methylphenylisocyanate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 51488-20-1 |
| Product name | 3-Chloro-4-methylphenylisocyanate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum |
| 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 3-Chloro-4-methylphenylisocyanate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Chloro-4-methylphenylisocyanate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Chloro-4-methylphenylisocyanate
| Industry | Application | Process |
|---|---|---|
| Agrochemical Industry | Agrochemical Intermediate | Serves as a key intermediate in the synthesis of methoxyacrylate fungicides (e.g., trifloxystrobin). |
| Agrochemical Industry | Raw Material for Fungicide Synthesis | Undergoes further reaction to produce oxime ether compounds, which are subsequently used to synthesize protectant, curative, and eradicant fungicides. |
| Chemical Industry | Organic Synthesis Intermediate | Leverages the high reactivity of its isocyanate group (–NCO) in synthesis reactions for urethanes, ureas, and other fine chemicals. |
| Chemical Industry | Specialty Chemical Manufacturing | Used as a chlorinated, methyl-substituted aromatic isocyanate to construct chemical products with specific molecular architectures. |
Manufacturing Quality Control of 3-Chloro-4-methylphenylisocyanate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in a methanol-based solvent system. |
| Acid Number | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., HCl, carboxylic acids) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing at 550-600 C. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by atomization in flame and measurement of absorbance at characteristic wavelengths. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Evaluation of sample color intensity against platinum-cobalt standard solutions using APHA scale. |
| Density at 20 C | Digital Density Meter | Determination of mass per unit volume using oscillating U-tube principle calibrated with air and water. |
| Refractive Index at 20 C | Refractometry | Measurement of light bending angle at air-sample interface to infer purity and composition. |
| Residual Solvents (e.g., toluene, xylene) | Gas Chromatography (GC) with FID or MS detection | Identification and quantification of volatile organic solvents by retention time and peak response relative to internal standards. |
| Free Isocyanate Content | Back Titration with Di-n-butylamine | Reaction of NCO groups with excess dibutylamine followed by acid titration of unreacted amine. |
| Related Substances (Impurities) | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally related impurities using reversed-phase C18 column and UV absorbance at 220-254 nm. |
Technical Specifications of 3-Chloro-4-methylphenylisocyanate
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.565–1.575 |
| Relative Density (20°C/25°C) | 1.18–1.22 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 3-Chloro-4-methylphenylisocyanate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Chloro-4-methylphenylisocyanate
Safety Information of 3-Chloro-4-methylphenylisocyanate
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 3-Chloro-4-methylphenylisocyanate
Industrial 3-Chloro-4-methylphenylisocyanate 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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