4-BROMOCATECHOL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17345-77-6 |
| Product name | 4-BROMOCATECHOL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeElectronic GradeIndustrial 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-BROMOCATECHOL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-BROMOCATECHOL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-BROMOCATECHOL
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for anti-inflammatory and anticancer drug development | Bromination via electrophilic substitution, followed by coupling or functional group transformation |
| Agrochemicals | Agrochemical intermediate for synthesizing novel insecticides or herbicides | Derivatization reactions based on the catechol structure, such as alkylation and acylation |
| Polymers & Advanced Materials | Synthesis of functional polymers, including conductive polymers and liquid crystal materials | Construction of conjugated systems via oxidative coupling or metal-catalyzed coupling (e.g., Suzuki coupling) |
| Organic Synthesis | Multifunctional synthetic intermediate for constructing complex aromatic compounds | Selective functional group transformations leveraging dual reactivity of the phenolic hydroxyl group and bromine atom |
| Photosensitive Materials | Preparation of photochromic materials or photoresist components | Photoactive participation of the bromine atom in photosensitive reactions or integration with photoacid generators to form photosensitive systems |
Manufacturing Quality Control of 4-BROMOCATECHOL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 275 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., brominated isomers, quinones, residual phenol) using gradient HPLC-UV against qualified impurity standards. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight and measuring inorganic ash residue as percent of original mass. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy after acid digestion; measures absorbance of ground-state atoms at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on anion-exchange column with conductivity detection, quantified against sodium chloride standard. |
| Sulfated Ash | Gravimetric Analysis | Sample carbonized, treated with sulfuric acid, then ignited at 700 C; residue weighed as sulfate-forming inorganic content. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of solid sample against defined specifications (white to off-white crystalline powder). |
| Solubility in Water | Qualitative Solubility Test | Observation of complete dissolution or suspension after specified agitation time in distilled water at 25 C. |
| pH of Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in saturated aqueous suspension using calibrated pH electrode. |
| Volatile Organic Impurities | GC-FID | Separation by gas chromatography followed by flame ionization detection; quantifies low-boiling solvents (e.g., acetone, ethyl acetate) using external standards. |
Technical Specifications of 4-BROMOCATECHOL
| Test Item | Specification |
|---|---|
| Appearance | White to yellow to orange crystalline powder |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 125–129°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 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 4-BROMOCATECHOL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-BROMOCATECHOL
Packaging of 4-BROMOCATECHOL
Industrial 4-BROMOCATECHOL 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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