1-(4-HYDROXYPHENYL)-2-THIOUREA Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1520-27-0 |
| Product name | 1-(4-HYDROXYPHENYL)-2-THIOUREA |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial 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 1-(4-HYDROXYPHENYL)-2-THIOUREA
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-(4-HYDROXYPHENYL)-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-(4-HYDROXYPHENYL)-2-THIOUREA
| Industry | Application | Process |
|---|---|---|
| Pesticides | Fungicide intermediate | Serves as a structural building block for synthesizing triazole fungicides (e.g., difenoconazole) via condensation with haloalkanes or aldehydes to form the triazole ring |
| Pharmaceuticals | Antithyroid drug intermediate | Participates in the synthesis of thiourea-based antithyroid drugs (e.g., methimazole) through cyclization, oxidation, and other steps to generate the active pharmaceutical ingredient |
| Dyes & Pigments | Organic pigment intermediate | Functions as a substituent-modifying component in azo dyes and thioindigo dyes to enhance color fastness and light stability |
Manufacturing Quality Control of 1-(4-HYDROXYPHENYL)-2-THIOUREA
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, acetone, DMF) against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generated electrochemically to react stoichiometrically with water in the sample. |
| Heavy Metals | ICP-MS | Quantitative determination of toxic elements (Pb, Cd, Hg, As) after acid digestion, based on mass-to-charge ratio detection with high sensitivity. |
| Sulfur Content | Combustion IC | High-temperature combustion followed by ion chromatographic detection of sulfate ions derived from total sulfur oxidation. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as the temperature range over which solid transforms to liquid, measured using calibrated capillary method per USP <741>. |
| Loss on Drying | Gravimetric Method | Mass loss determined after drying under controlled temperature and vacuum conditions, reflecting volatile and moisture content. |
| pH of Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) using a calibrated glass electrode. |
| Residue on Ignition | Gravimetric Ashing | Mass of non-volatile inorganic residue remaining after high-temperature incineration (600-800 C), indicating inorganic impurities. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity as a function of angle to determine volume-based particle size distribution in dispersed phase. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity and identity verification. |
Technical Specifications of 1-(4-HYDROXYPHENYL)-2-THIOUREA
| Test Item | Specification |
|---|---|
| Appearance | Pale brown powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 178-182°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| 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-(4-HYDROXYPHENYL)-2-THIOUREA
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-(4-HYDROXYPHENYL)-2-THIOUREA
Safety Information of 1-(4-HYDROXYPHENYL)-2-THIOUREA
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1-(4-HYDROXYPHENYL)-2-THIOUREA
Industrial 1-(4-HYDROXYPHENYL)-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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