4-Pyrazolecarboxylic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 37718-11-9 |
| Product name | 4-Pyrazolecarboxylic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty 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 4-Pyrazolecarboxylic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Pyrazolecarboxylic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Pyrazolecarboxylic acid
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate for novel insecticides and acaricides | Used to synthesize agrochemical active ingredients containing a pyrazole ring structure (e.g., flufiprole) via amidation, esterification, or coupling reactions |
| Pharmaceuticals | Intermediate for anti-inflammatory and antitumor drug candidates | Employed as a heterocyclic building block in drug molecule construction, commonly modified through dehydration condensation, N-alkylation, or metal-catalyzed cross-coupling reactions |
| Materials Science | Precursor for organic light-emitting diode (OLED) functional materials | Used to synthesize luminescent metal complexes bearing pyrazole carboxylate ligands via coordination with rare-earth or transition metal ions |
Manufacturing Quality Control of 4-Pyrazolecarboxylic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-230 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching with reference standards or threshold-based reporting. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to react stoichiometrically with water; endpoint detected potentiometrically. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight; residue mass expressed as percentage of original sample. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion by measuring atomic emission intensities at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of anions on ion-exchange column with conductivity detection; quantified via calibration curve using sodium chloride standard. |
| Sulfate Impurity | Ion Chromatography | Same principle as chloride; sulfate eluted and detected by suppressed conductivity after separation. |
| Loss on Drying | Thermogravimetric Analysis | Mass loss measured after drying at 105 C for 2 hours under controlled airflow; reported as weight percent. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or optically as solid-to-liquid phase change; determined by standardized capillary method. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined reference standards under controlled lighting conditions. |
| pH of Aqueous Solution | pH Meter | Measurement of hydrogen ion activity in a saturated aqueous suspension using calibrated glass electrode system. |
| Organic Volatile Impurities | GC-FID | Separation by gas chromatography followed by flame ionization detection; quantified against specified solvents using internal/external standards. |
Technical Specifications of 4-Pyrazolecarboxylic acid
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 172–176°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 4-Pyrazolecarboxylic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Pyrazolecarboxylic acid
Packaging of 4-Pyrazolecarboxylic acid
Industrial 4-Pyrazolecarboxylic acid 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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