2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 86-92-0 |
| Product name | 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial 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 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
| Industry | Application | Process |
|---|---|---|
| Dye Manufacturing | Used as an intermediate in dye synthesis | Reacted with various coupling components to produce azo dyes of diverse colors |
| Pharmaceutical Industry | Serves as a key intermediate in drug synthesis | Participates in the synthesis of biologically active compounds, such as anti-inflammatory agents |
| Pesticide Production | Applied in the design and synthesis of pesticide molecules | Chemically modified to introduce or alter molecular structure, enhancing efficacy or reducing toxicity |
| Fine Chemicals | Used as a precursor for functional materials | Further chemically processed into specialty chemicals with tailored properties for applications in coatings, adhesives, and related fields |
Manufacturing Quality Control of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Uses a reverse-phase C18 column with mobile phases such as methanol/water or acetonitrile/water, detected by a UV detector (e.g., 254 nm). Effectively separates and quantifies the main component and impurities, making it the most commonly used method for purity assessment. |
| Impurity Identification and Quantification | Liquid Chromatography-Mass Spectrometry (LC-MS) | Combines the separation capability of HPLC with the structural identification power of mass spectrometry to accurately identify and quantify trace impurities, particularly suitable for qualitative analysis of unknown impurities. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H NMR and ¹³C NMR provide detailed molecular structural information, used to confirm molecular formula, substituent positions, and stereochemistry, and are considered the gold standard for structural confirmation. |
| Molecular Weight Determination | Mass Spectrometry (MS) | Obtains precise molecular ion peaks via electrospray ionization (ESI-MS) or atmospheric pressure chemical ionization (APCI-MS) to verify molecular weight (theoretical value approximately 179.21 g/mol). |
| Content Determination | Titration (e.g., Acid-Base Titration) | If the compound contains titratable functional groups (e.g., weakly acidic or basic groups), classical titration methods may be used for approximate content determination; however, due to low sensitivity, it is not recommended as the primary method. |
| Thermal Stability Analysis | Thermogravimetric Analysis (TGA) | Monitors mass changes upon heating to evaluate thermal decomposition temperature and stability, useful for detecting volatile impurities or degradation products. |
| Melting Point Determination | Microscopic Melting Point Apparatus | Determines the melting range (typically between 100–120°C) to assess purity and crystalline state, serving as one of the preliminary quality control methods. |
| Water Content Determination | Karl Fischer Titration (KF) | Used to measure water content in samples to ensure compliance with drying requirements, especially critical for hygroscopic compounds. |
Technical Specifications of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
| Test Item | Specification |
|---|---|
| Appearance | White to orange to green crystalline powder |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 138–142 °C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
Safety Information of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
Industrial 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-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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