Cyclohexylurea Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 698-90-8 |
| Product name | Cyclohexylurea |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeIndustrial GradeSpecialty 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 Cyclohexylurea
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Cyclohexylurea Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Cyclohexylurea
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediate for synthesizing antitumor and antiviral agents | Used in organic synthesis and condensation reactions |
| Agrochemicals | Synthetic precursor for insecticides or fungicides | Applied in amidation and cyclization reactions |
| Chemical manufacturing | Organic synthesis reagent for preparing urea derivatives or functional materials | Employed in catalytic reactions and solvothermal synthesis |
| Research & development | Reference standard or control substance for analytical testing | Utilized in chromatographic purification and recrystallization |
Manufacturing Quality Control of Cyclohexylurea
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Uses a C18 reversed-phase column, with gradient elution of water-methanol or acetonitrile, and UV detection (typically 210–254 nm) to determine the peak area. The content is calculated using an external standard method, suitable for high-precision quantitative analysis. |
| Melting Point | Melting Point Apparatus Method | Determined by capillary method or automatic melting point apparatus. N-cyclohexylurea typically has a melting point range of 145–148°C, used for preliminary identification and purity assessment. |
| Moisture Content | Karl Fischer Titration | Quantitatively reacts with water using an iodine-sulfur dioxide-pyridine-methanol system, and determines moisture content by potentiometric or coulometric titration. Suitable for trace water control (usually <0.5%). |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After acid digestion, heavy metal ions such as lead, cadmium, mercury, and arsenic are determined by AAS or ICP-MS, meeting pharmacopoeia or ICH Q3D limits. |
| Organic Impurities (Impurity Profile) | HPLC-MS Coupled Method | Separates compounds by HPLC and identifies and quantifies possible unreacted raw materials (e.g., cyclohexylamine, isocyanate), by-products, or degradation products through mass spectrometry for impurity profile control. |
| Chloride Content | Silver Nitrate Titration / Ion Chromatography | After dissolving the sample and acidifying with nitric acid, silver nitrate standard solution is titrated to form AgCl precipitate (visual or potentiometric endpoint), or chloride ion concentration is detected by ion chromatography, controlling inorganic halide residues. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or direct injection, with DB-624 or PLOT columns for separation and detection of residual solvents such as methanol, ethanol, acetone, DMF, according to ICH Q3C standards for quantification. |
| Appearance and Color | Visual Inspection / Colorimetric Determination | Observe the sample as a white to off-white crystalline powder, free of visible foreign matter; colorimeter can be used to measure yellow index (YI) or compare with standard color solutions by colorimetric method. |
| Crystal Form (Optional) | X-ray Powder Diffraction (XRPD) | Used to confirm the crystal structure and consistency of the crystal form, ensuring physical property stability between batches, especially when used in formulation processes that affect solubility. |
| pH Value (in Aqueous Solution) | pH Meter Measurement | Prepare a 1% aqueous solution of the sample and measure the pH value using a calibrated pH meter. It should typically be neutral (pH 6.5–7.5), reflecting the presence of acidic or basic impurities. |
Technical Specifications of Cyclohexylurea
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 148–152°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 Cyclohexylurea
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NMR Spectra of Cyclohexylurea
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Industrial Cyclohexylurea 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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