3-BROMOBENZENE-1,2-DIOL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 14381-51-2 |
| Product name | 3-BROMOBENZENE-1,2-DIOL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 3-BROMOBENZENE-1,2-DIOL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-BROMOBENZENE-1,2-DIOL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-BROMOBENZENE-1,2-DIOL
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Prepared via bromination of catechol |
| Agrochemical Industry | Synthesis of agrochemical intermediates | Used as an organic synthesis intermediate in constructing pesticide molecular frameworks |
| Organic Synthesis | Intermediate for synthesizing other organic compounds | Employed in substitution reactions or further functionalization to synthesize complex organic molecules |
| Polymer Materials | Functional monomer or additive | Applied in the preparation of polymer materials with specific performance characteristics |
Manufacturing Quality Control of 3-BROMOBENZENE-1,2-DIOL
| Milestone | Common Testing Methods | Method Overview |
|---|---|---|
| Purity/Content Determination | High-Performance Liquid Chromatography (HPLC) | Using a reversed-phase C18 chromatographic column, with methanol-water or acetonitrile-water as the mobile phase, and ultraviolet detection (typically at 254 nm or 280 nm). The content of 3-bromo catechol is calculated using external standard method or area normalization. This method offers good separation, high sensitivity, and excellent reproducibility, suitable for purity control of raw materials and intermediates. |
| Related Substances (Impurity) Testing | High-Performance Liquid Chromatography (HPLC) | Under similar or optimized chromatographic conditions to those used for content determination, the method separates and quantifies possible impurities such as by-products from synthesis or degradation products. Typically, impurity limits are set (e.g., individual impurity ≤ 0.5%, total impurities ≤ 1.0%) to evaluate product stability and safety. |
| Melting Point Determination | Capillary Melting Point Method | Dried samples are filled into melting point capillaries and heated in a melting point apparatus at a specified rate (e.g., 1–2°C/min). The temperature range from initial melting to complete melting is recorded. The standard melting point of 3-bromo catechol is approximately 96–98°C. An abnormal melting range may indicate insufficient purity or issues with crystalline form. |
| Moisture Content Determination | Karl Fischer Titration | This method uses Karl Fischer reagent to react quantitatively with water in the sample, determining moisture content through coulometric or volumetric methods. It is highly specific and accurate, suitable for controlling residual moisture in 3-bromo catechol (typically ≤ 0.5%). |
| Residual Solvent Testing | Gas Chromatography (GC) | Using headspace or direct injection, polar or non-polar capillary columns separate residual organic solvents (such as methanol, ethanol, dichloromethane, etc.), detected by FID. Limits for each solvent are set according to ICH Q3C guidelines to ensure product safety. |
| Appearance and Color | Visual Color Comparison Method | Take an appropriate amount of sample and observe its physical state (usually white to off-white crystalline powder) and color on a white background under natural light or standard illumination. If obvious discoloration (e.g., yellowing, browning) occurs, it may indicate oxidation or degradation, requiring further analysis. |
| pH Value (if prepared as solution) | pH Meter Measurement Method | A 1% w/v aqueous solution of 3-bromo catechol is measured using a calibrated pH meter. Catechol compounds typically exhibit weak acidity; abnormal pH values may indicate the presence of impurities or decomposition products. |
Technical Specifications of 3-BROMOBENZENE-1,2-DIOL
| Test Item | Specification |
|---|---|
| Appearance | White to gray to brown crystalline powder |
| Purity | >=98.0% (GC) |
| Melting Point | 65–69°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=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 3-BROMOBENZENE-1,2-DIOL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-BROMOBENZENE-1,2-DIOL
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Industrial 3-BROMOBENZENE-1,2-DIOL 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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