4-ISOPROPYL-3-THIOSEMICARBAZIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13431-36-2 |
| Product name | 4-ISOPROPYL-3-THIOSEMICARBAZIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 4-ISOPROPYL-3-THIOSEMICARBAZIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-ISOPROPYL-3-THIOSEMICARBAZIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of isoniazid derivatives for antitubercular therapy and heterocyclic compounds with potential antibacterial activity | Serves as a key intermediate in cyclization reactions, condensing with aldehydes or ketones to form thiazole or triazine heterocyclic structures |
| Agrochemical R&D | Acts as a sulfur- and nitrogen-containing heterocyclic building block for molecular design of novel insecticides and fungicides | Undergoes alkylation with haloalkanes or addition with isothiocyanates to introduce active functional groups, optimizing agrochemical efficacy |
| Organic Synthesis | Serves as a versatile thiourea-based ligand precursor for ligand modification in metal-catalyzed reactions | After N-alkylation or acylation, coordinates with transition metals such as Pd and Cu to enhance selectivity in cross-coupling reactions |
Manufacturing Quality Control of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities using gradient HPLC-UV; identification via retention time matching and/or spiked standards. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., methanol, acetone, DMF) based on calibrated response factors. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with water in anhydrous medium. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using isotopic detection with high sensitivity and low detection limits. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determination of inorganic ash content by ignition at 700–800 °C followed by precise weighing of residual non-volatile matter. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement via controlled heating of crystalline sample; indicative of purity and identity confirmation. |
| pH (1% aqueous suspension) | pH Meter | Measurement of hydrogen ion activity in a standardized suspension, reflecting acidic/basic impurities or degradation products. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light, confirming chiral integrity and absence of racemization (if applicable to stereoisomer form). |
Technical Specifications of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 178–182°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Conforms to reference spectrum |
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 4-ISOPROPYL-3-THIOSEMICARBAZIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
Safety Information of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-ISOPROPYL-3-THIOSEMICARBAZIDE
Industrial 4-ISOPROPYL-3-THIOSEMICARBAZIDE 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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