3,5-Dichlorophenyl isocyanate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 34893-92-0 |
| Product name | 3,5-Dichlorophenyl isocyanate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 3,5-Dichlorophenyl isocyanate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,5-Dichlorophenyl isocyanate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,5-Dichlorophenyl isocyanate
| Industry | Application | Process |
|---|---|---|
| Agrochemicals | Key intermediate in the production of the fungicide iprodione | Reacted with 3,5-dichloroaniline to synthesize iprodione (used primarily for controlling gray mold and sclerotinia diseases in grapes, fruit trees, and vegetables) |
| Pharmaceuticals | Pharmaceutical intermediate | Used to synthesize drug molecules containing the 3,5-dichlorophenyl carbamate structure; employed as a blocking agent in drug development |
| Chemical Synthesis | Raw material for synthesizing carbamate and urea compounds | Acts as an electrophile in addition reactions with alcohols or amines to construct carbamate or urea functional groups |
| Polymer Materials | Modifier for coatings and polyurethane materials | Used to synthesize polyurethane prepolymers with specialized structures, enhancing chemical resistance and mechanical properties |
Manufacturing Quality Control of 3,5-Dichlorophenyl isocyanate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 3,5-dichlorophenyl isocyanate by retention time and peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric titration based on the stoichiometric reaction of iodine with water. |
| Acid Number | Acid-Base Titration (NaOH in methanol) | Determines acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Chloride Content | Potentiometric Titration (AgNO3) | Quantifies free chloride ions by titration with silver nitrate using a silver indicator electrode. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Simultaneously detects trace heavy metals after acid digestion by measuring element-specific atomic emission intensities. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement (430 nm) | Compares sample color to APHA platinum-cobalt standards or measures absorbance at 430 nm in dilute solution. |
| Density | Digital Density Meter (Oscillating U-tube) | Determines density from the resonant frequency shift of a U-shaped glass tube filled with sample. |
| Refractive Index | Abbe Refractometer | Measures refractive index based on critical angle of total internal reflection at the prism-sample interface. |
| Isocyanate Content | Dibutylamine Back-Titration | Reacts isocyanate groups with excess dibutylamine, then back-titrates unreacted amine with HCl. |
| Volatility Residue (Loss on Drying) | Thermogravimetric Analysis (TGA) or Oven Drying | Measures weight loss after heating under controlled temperature and time to remove volatile components. |
| Organic Impurities (Related Substances) | HPLC with UV Detection | Separates and quantifies structurally related impurities using reversed-phase chromatography and UV absorbance detection. |
Technical Specifications of 3,5-Dichlorophenyl isocyanate
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 64–68°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 3,5-Dichlorophenyl isocyanate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,5-Dichlorophenyl isocyanate
Packaging of 3,5-Dichlorophenyl isocyanate
Industrial 3,5-Dichlorophenyl 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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