4-Bromo-3-nitro pyrazole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 89717-64-6 |
| Product name | 4-Bromo-3-nitro pyrazole |
| 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 4-Bromo-3-nitro pyrazole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Bromo-3-nitro pyrazole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Bromo-3-nitro pyrazole
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Serves as a key structural fragment in the synthesis of certain drug molecules | Prepared via nitration and bromination reactions |
| Agrochemical Intermediates | Used to synthesize pesticide compounds with specific biological activity | Bromine and nitro functional groups are introduced through organic synthesis steps |
| Organic Synthesis | Acts as a starting material or intermediate for synthesizing other organic compounds | Undergoes coupling, substitution, and other reactions leveraging its reactive functional groups |
Manufacturing Quality Control of 4-Bromo-3-nitro pyrazole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-DAD or UPLC-MS | Separation and identification of impurities (e.g., regioisomers, residual starting materials, degradation products) via retention time and spectral/mass matching. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., DMF, ethyl acetate, methanol) per ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with sample water. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, achieving sub-pptr detection limits. |
| Residue on Ignition | Gravimetric Analysis | Measurement of inorganic ash content after high-temperature incineration (700–800 °C) and weighing of residual residue. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection by observing solid-to-liquid phase change under controlled heating rate (e.g., 1 °C/min). |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size distribution based on angular scattering intensity of laser light. |
| Bulk & Tapped Density | ASTM D6393 (Pycnometer/Graduated Cylinder Method) | Determination of mass per unit volume before and after mechanical tapping to assess flowability and packing behavior. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic microorganisms and absence testing for specified pathogens per Ph. Eur. 2.6.12. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to detect chiral impurities or enantiomeric excess (if applicable; typically negligible for this achiral compound, but included for specification compliance). |
Technical Specifications of 4-Bromo-3-nitro pyrazole
| Test Item | Specification |
|---|---|
| Appearance | Off-white to light yellow crystalline powder |
| Purity | >=98.5% |
| Melting Point | 142-146°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 4-Bromo-3-nitro pyrazole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Bromo-3-nitro pyrazole
Packaging of 4-Bromo-3-nitro pyrazole
Industrial 4-Bromo-3-nitro pyrazole 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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