1-Methyl-1H-pyrazol-3(2H)-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 52867-35-3 |
| Product name | 1-Methyl-1H-pyrazol-3(2H)-one |
| 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-Methyl-1H-pyrazol-3(2H)-one
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Methyl-1H-pyrazol-3(2H)-one Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Methyl-1H-pyrazol-3(2H)-one
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antiviral, anti-inflammatory, or antitumor agents | Introduced into the target molecular scaffold via acylation, alkylation, or condensation reactions |
| Agrochemicals | Used to synthesize active ingredients of pyrazole-based insecticides or herbicides | Heterocyclic agrochemical molecules constructed via halogenation, coupling, or cyclization |
| Fine Chemicals | Organic building block for synthesizing functional molecules containing the pyrazolone moiety | Nucleophilic substitution or Michael addition reactions carried out under acidic or basic conditions |
Manufacturing Quality Control of 1-Methyl-1H-pyrazol-3(2H)-one
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 210-230 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities using gradient HPLC-UV; identification and quantification against reference standards or threshold-based reporting. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent where water reacts stoichiometrically, enabling precise moisture determination. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to volatilize organic matter, then weighing inorganic residue after cooling in desiccator. |
| Heavy Metals | ICP-OES | Multi-element detection by measuring atomic emission intensities of metal ions after acid digestion and plasma excitation. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on anion-exchange column with conductivity detection, quantified against calibration standards. |
| Sulfated Ash | Gravimetric Analysis | Same principle as residue on ignition but performed after treatment with sulfuric acid to convert metals to sulfates. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined specifications under standardized lighting conditions. |
| Solubility in Common Solvents | Qualitative Dissolution Test | Observation of complete dissolution in specified solvents (e.g., methanol, water) at defined temperature and concentration. |
| pH of Aqueous Solution | pH Meter | Measurement of hydrogen ion activity in a saturated or defined aqueous suspension using calibrated glass electrode. |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measured after drying at 105 C for 2 hours, reflecting volatile content including residual solvents and moisture. |
Technical Specifications of 1-Methyl-1H-pyrazol-3(2H)-one
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC) |
| Melting Point | 124–128°C |
| Total Impurities | <=2.0% (GC) |
| Single Impurity | <=0.5% (GC) |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | 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 1-Methyl-1H-pyrazol-3(2H)-one
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Methyl-1H-pyrazol-3(2H)-one
Packaging of 1-Methyl-1H-pyrazol-3(2H)-one
Industrial 1-Methyl-1H-pyrazol-3(2H)-one 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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