5-Bromoisatoic anhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4692-98-2 |
| Product name | 5-Bromoisatoic anhydride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 5-Bromoisatoic anhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Bromoisatoic anhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Bromoisatoic anhydride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antitumor drug intermediates | Used as a brominating agent in condensation or cyclization reactions |
| Agrochemicals | Fungicide intermediates | Applied in the synthesis of brominated heterocyclic fungicides |
| Chemical Reagents | Organic synthesis reagent | Applied in the synthesis of isatoic anhydride derivatives or other organic compounds |
| Materials Science | Synthesis of functional materials | Applied in the preparation of materials with specific optical or electrochemical properties |
Manufacturing Quality Control of 5-Bromoisatoic anhydride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies 5-bromoisatin anhydride by retention time and UV absorbance against a certified reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., 5-bromoindole, isatin derivatives) using gradient elution and UV detection. |
| Residual Solvents | GC-FID | Identifies and quantifies residual solvents (e.g., acetone, toluene, DMF) based on retention time and flame ionization response. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration with iodine generated electrochemically or added stoichiometrically. |
| Heavy Metals | ICP-OES | Measures total elemental impurities (Pb, Cd, Hg, As, etc.) after acid digestion by atomic emission intensity at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating crystallinity and presence of impurities. |
| Loss on Drying | Gravimetric Method | Measures mass loss after drying under controlled temperature and vacuum, reflecting volatile and hygroscopic components. |
| Acid Value | Acid-Base Titration | Quantifies free carboxylic acid groups by titration with standardized NaOH solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Ash Test | Measures inorganic residue remaining after high-temperature incineration, indicating inorganic contaminants or catalyst residues. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size distribution by measuring angular variation in laser light scattering intensity. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to assess chiral purity and detect enantiomeric impurities (if applicable). |
Technical Specifications of 5-Bromoisatoic anhydride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 245-249°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 5-Bromoisatoic anhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Bromoisatoic anhydride
Packaging of 5-Bromoisatoic anhydride
Industrial 5-Bromoisatoic anhydride 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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