Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 83405-70-3 |
| Product name | Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing anti-inflammatory and anticancer drugs | Used as a key intermediate in multistep organic synthesis to construct pyrazole scaffolds via esterification, cyclization, and related reactions |
| Agrochemicals | Intermediate for synthesizing novel insecticides or fungicides | Applied to build pyrazole-containing active molecules, with functional groups introduced via substitution and coupling reactions |
| High-performance polymers | Functional monomer for preparing specialty polymers | Incorporated into polymer backbones via free-radical polymerization or condensation polymerization to enhance thermal stability and biocompatibility |
| Organic synthesis | General-purpose intermediate for fine chemical synthesis | Widely employed in catalytic coupling, nucleophilic substitution, and reduction reactions to provide specific functional groups and steric hindrance characteristics |
Manufacturing Quality Control of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual ethyl acetate, ethanol, toluene, and other process solvents against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Multi-element detection of Pb, Cd, Hg, As, and others after acid digestion; quantification via isotope-dilution or external calibration. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration followed by precise weighing of residual residue. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using calibrated capillary apparatus per USP <741>, observing onset and completion of melting. |
| Specific Optical Rotation | Polarimetry | Measurement of optical activity using sodium D-line light source to detect chiral impurities or enantiomeric excess. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of pH in a saturated aqueous suspension using calibrated pH electrode and buffer reference standards. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size via laser scattering pattern interpretation using Mie theory. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against defined reference standards. |
Technical Specifications of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Conforms to reference spectrum |
| Odor | Characteristic mild organic 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 Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
Safety Information of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
Industrial Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate 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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