Phenyl carbamate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 622-46-8 |
| Product name | Phenyl carbamate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Phenyl carbamate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Phenyl carbamate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Phenyl carbamate
| Industry | Application | Process |
|---|---|---|
| Agrochemicals | Key intermediate for synthesizing high-efficiency sulfonylurea herbicides (e.g., chlorsulfuron, metsulfuron-methyl, bensulfuron-methyl) | Condensation with heterocyclic amines to construct the core sulfonylurea scaffold |
| Pharmaceuticals | Pharmaceutical synthesis intermediate | Used in synthesizing carbamate-containing drug molecules, participating in the construction of critical functional groups |
| Organic Synthesis | Isocyanate precursor | Thermally decomposes under heating or catalytic conditions to generate phenyl isocyanate |
| Organic Synthesis | Amino protecting agent | Serves as an amino protecting group in multistep organic syntheses to prevent unwanted side reactions of the amino group |
| Polymer Materials | Polyurethane modifier | Acts as a chain terminator or regulator to control molecular weight or introduce specific functional groups into polyurethane polymers |
Manufacturing Quality Control of Phenyl carbamate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative determination based on retention time and peak area comparison with reference standard. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration measuring water via reaction with iodine and sulfur dioxide in pyridine-methanol medium. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness index by comparing sample color to platinum-cobalt standard solutions. |
| Density at 20 C | Pycnometry or Digital Density Meter | Determination of mass per unit volume using calibrated glass pycnometer or oscillating U-tube principle. |
| Refractive Index at 20 C | Refractometry | Measurement of light bending angle at air-sample interface using Abbe refractometer or digital equivalent. |
| Acid Value | Acid-Base Titration | Neutralization of free acidic impurities with standardized KOH solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Weighing non-volatile residue remaining after high-temperature ashing of sample in a platinum crucible. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by atomization and measurement of characteristic absorption wavelength. |
| Chloride Content | Potentiometric Titration | Detection of chloride ions via silver nitrate titration with silver-sulfide electrode endpoint detection. |
| Non-Volatile Matter | Gravimetric Analysis | Determination of residue after evaporation of solvent under controlled temperature and vacuum. |
| Related Substances | High Performance Liquid Chromatography (HPLC) | Separation and quantification of structurally similar impurities using reversed-phase C18 column and UV detection. |
Technical Specifications of Phenyl carbamate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 42–46°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Identification (NMR) | Conforms to reference spectrum |
| Odor | Characteristic aromatic 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 Phenyl carbamate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Phenyl carbamate
Packaging of Phenyl carbamate
Industrial Phenyl carbamate 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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