5-Bromophthalide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 64169-34-2 |
| Product name | 5-Bromophthalide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent 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 5-Bromophthalide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Bromophthalide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Bromophthalide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antidepressant drugs | Used in organic synthesis reactions |
| Pesticides | Precursor for insecticide or fungicide formulation | Applied in bromination, cyclization, and other chemical reactions |
| Chemical Research | Laboratory reagent | Employed in research on specific chemical reactions |
| Fine Chemicals | Synthesis of specialty chemicals | Utilized in catalytic and substitution reactions |
Manufacturing Quality Control of 5-Bromophthalide
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Content Assay | High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase C18 column with a mobile phase of methanol-water or acetonitrile-water, detected by a UV detector (e.g., 254 nm), and quantified using the external standard method for 5-bromophthalide, offering high sensitivity and good reproducibility. |
| Impurity Analysis | High-Performance Liquid Chromatography (HPLC) | Extends the run time beyond content assay conditions to detect potential synthetic intermediates, by-products, or degradation impurities; quantification is performed via peak area normalization or reference impurity standards for limit control. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Confirms molecular structure using ¹H-NMR and ¹³C-NMR; characteristic peaks include aromatic protons, methylene protons, and carbon signals of the bromine-substituted benzene ring, ensuring correct molecular structure. |
| Purity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) or Liquid Chromatography-Mass Spectrometry (LC-MS) | Confirms the molecular ion peak of the target compound ([M+H]+ ≈ m/z 209/211, characteristic Br isotope pattern) and detects trace organic impurities, suitable for high-purity sample analysis. |
| Residual Solvent Detection | Gas Chromatography (GC) | According to ICH guidelines, uses headspace injection-GC to detect residual organic solvents (e.g., methanol, ethanol, dichloromethane) from the manufacturing process, with FID detector for quantification. |
| Water Content | Karl Fischer Titration | Determines water content in samples using either coulometric or volumetric methods; suitable for active pharmaceutical ingredient quality control to meet drying loss requirements. |
| Polymorph Analysis (if applicable) | X-ray Powder Diffraction (XRPD) | If 5-bromophthalide exhibits polymorphism, XRPD patterns can be used to identify its crystalline form and ensure batch-to-batch consistency. |
| Melting Point Determination | Melting Point Apparatus | Uses capillary melting point determination to measure the melting range of 5-bromophthalide (literature value: approximately 95–97°C) as a physical property reference indicator. |
Technical Specifications of 5-Bromophthalide
| Test Item | Specification |
|---|---|
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity | ≥99.0% |
| Water | ≤0.2% |
| Loss on drying | ≤2.0% |
| Ignition residue | ≤0.3% |
| Single impurity | ≤0.1% |
| Total impurities | ≤0.3% |
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-Bromophthalide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Bromophthalide
Packaging of 5-Bromophthalide
Industrial 5-Bromophthalide 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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