trans-2,3-Dibromo-2-butene-1,4-diol Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 3234-02-4 |
| Product name | trans-2,3-Dibromo-2-butene-1,4-diol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for trans-2,3-Dibromo-2-butene-1,4-diol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk trans-2,3-Dibromo-2-butene-1,4-diol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of trans-2,3-Dibromo-2-butene-1,4-diol
| Industry | Application | Process |
|---|---|---|
| Pesticides | Intermediate in the synthesis of the insecticide deltamethrin | Used to prepare deltamethrin via condensation, cyclization, and related steps with ethyl cyanoacetate |
| Pharmaceuticals | Intermediate in the synthesis of imidazole-class antifungal agents such as clotrimazole | Applied in imidazole ring construction, followed by substitution and cyclization to synthesize the target drug |
| Organic Synthesis | Multifunctional organic synthesis intermediate for bromine introduction and carbon-chain construction | Enables functional group transformation and molecular skeleton construction through nucleophilic substitution, elimination, addition, and related reactions |
Manufacturing Quality Control of trans-2,3-Dibromo-2-butene-1,4-diol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity and Assay | High-Performance Liquid Chromatography (HPLC) | Uses a C18 reversed-phase column with methanol-water or acetonitrile-water as the mobile phase. Target compounds are detected by a UV detector (210–254 nm), and concentration is calculated using external or internal standard methods. Offers high accuracy and is suitable for trace impurity analysis. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (¹H NMR and ¹³C NMR) | Analyzes chemical shifts, coupling constants, and integration ratios of hydrogen and carbon atoms to confirm molecular framework and bromine substitution position. Considered the gold standard for structural identification. |
| Melting Point | Capillary Melting Point Apparatus | Sample is packed into a capillary tube and heated at a controlled rate. The melting behavior is observed and compared with literature values (approximately 68–72 °C) to assess purity and presence of eutectic impurities. |
| Moisture Content | Karl Fischer Titration | Measures trace moisture based on the quantitative reaction of iodine and sulfur dioxide with water in the presence of pyridine and methanol. Water content is determined via potentiometric or coulometric titration. Suitable for applications where moisture control is critical for stability. |
| Residual Solvents | Gas Chromatography (GC) | Employs headspace or direct injection with a polar column (e.g., DB-WAX) to separate common organic solvents such as ethanol, acetone, and DMF. Quantification is performed using an FID detector, compliant with ICH Q3C guidelines. |
| Bromine Content | Ion Chromatography (IC) or Oxygen Bomb Combustion + Ion-Selective Electrode | Sample is converted to bromide ions through alkaline hydrolysis or oxygen bomb combustion. Bromide concentration is measured by ion chromatography or via potentiometric titration using a bromide ion-selective electrode, verifying whether the number of bromine atoms matches the theoretical value. |
| Impurity Profile | HPLC-MS (Liquid Chromatography-Mass Spectrometry) | Following HPLC separation, mass spectrometry (using ESI or APCI source) provides fragment ion information to identify and quantify potential degradation products (e.g., debrominated or oxidized species). Used for comprehensive impurity profiling and control. |
| Appearance and Color | Visual Inspection + Color Measurement (APHA) | Sample is observed as a white to light yellow crystalline powder. A colorimeter or colorimetric method (APHA color units) is used to evaluate color intensity, ensuring no visible discoloration or contamination. |
| Solubility Verification | Solubility Test | Determines solubility in solvents such as water, ethanol, acetone, and diethyl ether at a specified temperature (e.g., 25 °C), verifying compliance with pharmacopoeial or internal specifications. |
| Thermal Stability | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | TGA monitors mass change as a function of temperature, while DSC detects endothermic melting peaks and exothermic decomposition events. Used to evaluate thermal stability and assess risks of polymorphism or decomposition. |
Technical Specifications of trans-2,3-Dibromo-2-butene-1,4-diol
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of trans-2,3-Dibromo-2-butene-1,4-diol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of trans-2,3-Dibromo-2-butene-1,4-diol
Safety Information of trans-2,3-Dibromo-2-butene-1,4-diol
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of trans-2,3-Dibromo-2-butene-1,4-diol
Industrial trans-2,3-Dibromo-2-butene-1,4-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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply