1,3,5PYRAZOLONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 137-44-0 |
| Product name | 1,3,5PYRAZOLONE |
| 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 1,3,5PYRAZOLONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3,5PYRAZOLONE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3,5PYRAZOLONE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate | Used in the synthesis of various pharmaceuticals, including anti-inflammatory drugs and antibiotics |
| Pesticide Industry | Intermediate | Used in the synthesis of pesticide active ingredients |
| Dye Industry | Intermediate | Used as an intermediate in the synthesis of certain dyes |
| Chemical Industry | Synthesis of Other Chemicals | Serves as a raw material or catalyst in the synthesis of other chemicals |
Manufacturing Quality Control of 1,3,5PYRAZOLONE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to react stoichiometrically with water; endpoint detected potentiometrically. |
| Residue on Ignition | Gravimetric Analysis | Sample is ignited at 700-800 C to burn off organic matter, and the inorganic residue is weighed after cooling in a desiccator. |
| Heavy Metals (as Pb) | Colorimetric Limit Test with Thioglycolic Acid | Reaction of heavy metal ions with thioglycolic acid under controlled pH to form colored metal complexes, compared visually to a lead standard. |
| Chloride Impurity | Ion Chromatography (IC) | Separation of chloride anions on an anion-exchange column with conductivity detection, quantified via external calibration curve. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium, followed by filtration, drying, and weighing of the precipitate. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using HPLC coupled with diode-array detection and spectral library matching. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature at which solid sample completely transforms to liquid. |
| Solvent Residues (e.g., Ethanol, Acetone) | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using capillary GC with flame ionization detection and internal standard calibration. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using a calibrated glass electrode and reference electrode. |
| Iron (Fe) Content | Atomic Absorption Spectroscopy (AAS) | Quantification of iron by measuring absorption of light at 248.3 nm by ground-state Fe atoms in an air-acetylene flame. |
| Appearance (Color & Clarity) | Visual Inspection | Assessment of color (against APHA scale) and clarity (absence of suspended particles) in a 5% w/v solution in water or specified solvent. |
Technical Specifications of 1,3,5PYRAZOLONE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 128-132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic mild 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 1,3,5PYRAZOLONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3,5PYRAZOLONE
Packaging of 1,3,5PYRAZOLONE
Industrial 1,3,5PYRAZOLONE 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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