Dichlorosulfophenyl-3-methylpyrazolone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 84-57-1 |
| Product name | Dichlorosulfophenyl-3-methylpyrazolone |
| 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 Dichlorosulfophenyl-3-methylpyrazolone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dichlorosulfophenyl-3-methylpyrazolone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dichlorosulfophenyl-3-methylpyrazolone
| Industry | Application | Process |
|---|---|---|
| Dye Manufacturing | Production of acid dyes | Used in coupling reactions with aromatic amines or other compounds to form final dye molecules. |
| Dye Manufacturing | Preparation of direct dyes | Serves as a key intermediate in the synthesis process, generating target dyes via specific chemical reactions. |
| Pharmaceutical Industry | Drug synthesis | Used as a starting material or critical intermediate in the synthesis of certain pharmaceuticals. |
| Pesticide Industry | Pesticide manufacturing | Used as a base chemical in the production of certain pesticide types. |
| Fine Chemicals | Production of other fine chemicals | Participates in various organic synthesis reactions to prepare functional compounds. |
Manufacturing Quality Control of Dichlorosulfophenyl-3-methylpyrazolone
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and whether caking occurs. The product should normally be a white to off-white powder or crystalline solid, free from visible impurities. |
| Identification (Structural Confirmation) | Fourier Transform Infrared Spectroscopy (FT-IR) | Scan the sample and reference standard in the range of 4000–400 cm⁻¹; compare characteristic absorption peaks (e.g., sulfonic acid group, pyrazolone ring, C–Cl bond) to confirm molecular structure consistency. |
| Identification (Structural Confirmation) | Nuclear Magnetic Resonance Spectroscopy (¹H-NMR or ¹³C-NMR) | Dissolve the sample in a deuterated solvent (e.g., DMSO-d6), record the proton or carbon spectrum, and verify molecular structure based on chemical shifts, peak splitting patterns, etc. |
| Assay (Content Determination) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or buffer (e.g., phosphate buffer) as mobile phase; detect using a UV detector at 254 nm or at the maximum absorption wavelength; quantify the main component via external standard method. |
| Related Substances (Impurity Analysis) | High-Performance Liquid Chromatography (HPLC) | Using the same HPLC system, apply gradient elution to separate impurities; detect and calculate the area of each impurity peak to assess purity and total impurity levels (typically requiring individual impurity ≤0.5%, total impurities ≤1.0%). |
| Moisture Content | Karl Fischer Titration | Determine water content using coulometric or volumetric Karl Fischer titration. Suitable for compounds with polar groups (e.g., sulfonic acid) that are prone to moisture absorption. Typically requires moisture ≤5.0%. |
| Sulfonic Acid Group Content | Ion Chromatography or Acid-Base Titration | Ion chromatography directly measures free sulfate or bound sulfonate; titration method involves alkaline hydrolysis followed by titration of released acid to indirectly calculate sulfonic acid group content. |
| Melting Point | Melting Point Apparatus | Determine melting temperature using an automatic melting point instrument or capillary method; used to assess purity (impurities often broaden melting range or lower melting point). Typical range is approximately 220–230°C (with decomposition). |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After digestion with nitric acid and hydrogen peroxide, measure residual levels of heavy metals such as lead, cadmium, mercury, and arsenic; must comply with pharmacopoeial or industrial standards (e.g., ≤20 ppm). |
| Sulfated Ash (Residue on Ignition) | Gravimetric Method | Ignite the sample at high temperature (500–600°C) until constant weight; measure the residue mass to evaluate inorganic impurity content. Generally requires ≤0.5%. |
Technical Specifications of Dichlorosulfophenyl-3-methylpyrazolone
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 192–196°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 Dichlorosulfophenyl-3-methylpyrazolone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of Dichlorosulfophenyl-3-methylpyrazolone
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Dichlorosulfophenyl-3-methylpyrazolone
Industrial Dichlorosulfophenyl-3-methylpyrazolone 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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