4-Cyanophenyl isocyanate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 40465-45-0 |
| Product name | 4-Cyanophenyl isocyanate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/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-Cyanophenyl isocyanate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Cyanophenyl isocyanate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Cyanophenyl isocyanate
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for synthesizing insecticides and acaricides | Reacted with amines to prepare urea- or carbamate-based active ingredients |
| Pharmaceuticals | Building block for drug molecules, used in synthesizing candidate compounds such as antitumor and anti-inflammatory agents | Participates in click chemistry reactions (e.g., cycloaddition with azides) or serves as a reagent for introducing isocyanate functionality |
| High-performance polymers | Monomer for polyurethane and polyurea functional resins | Undergoes condensation polymerization with polyols or polyamines to yield heat-resistant, high-strength cyanide-containing polymers |
Manufacturing Quality Control of 4-Cyanophenyl isocyanate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, relative to a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent; water reacts stoichiometrically with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., toluene, THF) using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion, based on element-specific atomic emission intensities in argon plasma. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Acid Number | Acid-Base Titration | Neutralization of acidic impurities (e.g., HCl, carboxylic acids) with standardized NaOH solution using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample solution color against APHA platinum-cobalt standards or measurement of absorbance at 430 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary apparatus under controlled heating rate. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after high-temperature ashing (700-800 C) of a weighed sample. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity pattern to calculate volume-based particle size distribution in dispersed suspension. |
| Related Substances | HPLC-DAD | Separation and identification of structurally related impurities using HPLC with diode array detection for spectral confirmation. |
| Isocyanate Content | Potentiometric Titration with Dibutylamine | Reaction of isocyanate groups with excess dibutylamine, followed by back-titration of unreacted amine with HCl. |
Technical Specifications of 4-Cyanophenyl isocyanate
| Test Item | Specification |
|---|---|
| Appearance | Light yellow solid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 72-76°C |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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-Cyanophenyl isocyanate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Cyanophenyl isocyanate
Packaging of 4-Cyanophenyl isocyanate
Industrial 4-Cyanophenyl 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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