thiosemicarbazide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 79-19-6 |
| Product name | thiosemicarbazide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial 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 thiosemicarbazide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk thiosemicarbazide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of thiosemicarbazide
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of the antitubercular drug aminothiouracil | Condensation and purification |
| Pesticide Industry | Intermediate for fungicides and plant growth regulators | Condensation, cyclization, and derivatization |
| Analytical Chemistry | Colorimetric reagent for metal ions (e.g., copper, mercury) | Coordination-based color development |
| Organic Synthesis | Synthesis of heterocyclic compounds such as thiadiazoles and triazoles | Cyclization-condensation and dehydration |
| Dye Industry | Intermediate for azo dyes and sulfur dyes | Diazotization and coupling |
Manufacturing Quality Control of thiosemicarbazide
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of visible particulates under natural light or standard illumination. |
| Identification | Infrared Spectroscopy (IR) | Prepare a sample pellet with potassium bromide and measure the infrared absorption spectrum, comparing it with a reference spectrum to confirm functional groups and structural consistency. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (e.g., at 220 nm); identify components by retention time and quantify by peak area to calculate the content of the active ingredient. |
| Impurity Analysis | High-Performance Liquid Chromatography (HPLC) | Same as above; separate and quantify individual impurity peaks to determine individual and total impurity levels, evaluating purity. |
| Water Content | Karl Fischer Titration | Determine water content in samples using an electrochemical titration principle; suitable for trace moisture detection with high accuracy. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, measure concentrations of heavy metal elements such as lead, arsenic, mercury, and cadmium to comply with pharmacopeial or relevant safety standards. |
| Sulfate Residue | Ion Chromatography (IC) or Turbidimetry | Ion chromatography precisely quantifies sulfate ions; turbidimetry semi-quantitatively assesses sulfate based on turbidity from barium sulfate precipitation. |
| Related Substances (Degradation Products) | HPLC with Gradient Elution | Optimize mobile phase gradient to separate potential degradation products from oxidation, hydrolysis, etc., to evaluate stability and suitability under storage conditions. |
| Melting Point | Capillary Melting Point Determination | Use a melting point apparatus to determine the temperature range from initial to complete melting; used to assess compound purity and consistency. |
| Solubility | Solubility Test | Test the sample's dissolution behavior in specified solvents (e.g., water, ethanol, methanol) to determine whether its physical properties meet requirements. |
Technical Specifications of thiosemicarbazide
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 178–182°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 thiosemicarbazide
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| Lot/Batch Number | *Required fields | |
NMR Spectra of thiosemicarbazide
Packaging of thiosemicarbazide
Industrial 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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