1-(2-naphthyl)-2-thiourea Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3394-04-5 |
| Product name | 1-(2-naphthyl)-2-thiourea |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 1-(2-naphthyl)-2-thiourea
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-(2-naphthyl)-2-thiourea Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-(2-naphthyl)-2-thiourea
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate | Used as a thiourea derivative in drug synthesis |
| Agrochemicals | Fungicide synthesis | Applied in the synthesis of biologically active thiourea compounds |
| Chemical reagents | Analytical reagent | Employed in organic synthesis and coordination chemistry research |
| Materials science | Functional material synthesis | Serves as a precursor for sulfur-containing functional materials |
Manufacturing Quality Control of 1-(2-naphthyl)-2-thiourea
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with sulfur dioxide in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C, expressed as weight percent. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals after acid digestion, using plasma excitation and optical emission spectroscopy. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Sulfate Impurity | Turbidimetric Method | Formation of barium sulfate precipitate in acidic medium; quantification via measurement of light scattering at 420 nm. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection using calibrated capillary apparatus; reported as onset and clear point range. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using HPLC with diode array detection and spectral library matching. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particles or discoloration against established reference standards. |
| Bulk Density | Graduated Cylinder Method | Determination of mass per unit volume for freely settled powder using standardized cylinder and balance. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution based on angular dependence of scattered laser light intensity. |
Technical Specifications of 1-(2-naphthyl)-2-thiourea
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 192-196°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 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 1-(2-naphthyl)-2-thiourea
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 1-(2-naphthyl)-2-thiourea
Industrial 1-(2-naphthyl)-2-thiourea 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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