TRANS-1,4-DIBROMO-2-BUTENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6974-12-5 |
| Product name | TRANS-1,4-DIBROMO-2-BUTENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 TRANS-1,4-DIBROMO-2-BUTENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRANS-1,4-DIBROMO-2-BUTENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRANS-1,4-DIBROMO-2-BUTENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Synthesis of antiviral drug intermediates | Used as an electrophile in nucleophilic substitution reactions to construct brominated heterocyclic structures |
| Agrochemicals | Synthesis of novel insecticide and fungicide intermediates | Undergoes coupling reactions with amines or thiols to generate brominated alkene-based active ingredients |
| Organic Synthesis | Preparation of functionalized alkene derivatives | Applied as a bifunctional building block to introduce a 1,4-dibromoalkenyl scaffold via elimination or addition reactions |
| Materials Science | Synthesis of conductive polymer precursors | Coupled with metal–organic frameworks (MOFs) or conjugated monomers under catalytic conditions to form brominated conjugated systems |
| Research Reagents | Synthesis of biolabels and molecular probes | Used as a bromoalkene probe for photo-crosslinking or click chemistry modification of biomacromolecules |
Manufacturing Quality Control of TRANS-1,4-DIBROMO-2-BUTENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Identification and semi-quantification of impurities by retention time and mass spectral matching. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic solvents quantified via equilibrium partitioning into headspace followed by GC-FID analysis. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water in the sample. |
| Acidity (as HBr) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Color | Visual Comparison Against APHA Scale | Sample color assessed by direct visual comparison to platinum-cobalt standard solutions under controlled lighting. |
| Density at 20 C | Digital Density Meter (Oscillating U-tube) | Density determined from the resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index at 20 C | Digital Refractometer | Measurement of light refraction angle through the sample at specified temperature to calculate refractive index. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separation and quantification of chloride anions using an anion-exchange column and suppressed conductivity detection. |
| Heavy Metals (Pb, Cd, Cr, Hg, As) | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Multi-element trace metal quantification after acid digestion and plasma ionization with mass-selective detection. |
| Non-Volatile Residue | Gravimetric Analysis (Weight Loss on Evaporation) | Residue mass measured after evaporation of a fixed sample volume at 105 C to constant weight. |
| Specific Optical Rotation | [alpha]D Measurement Using Polarimeter | Rotation of plane-polarized light measured at 589 nm and 20 C, normalized to path length and concentration. |
Technical Specifications of TRANS-1,4-DIBROMO-2-BUTENE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.512–1.518 |
| Relative Density (20°C/25°C) | 1.570–1.590 g/cm³ |
| Odor | Characteristic pungent odor |
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 TRANS-1,4-DIBROMO-2-BUTENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TRANS-1,4-DIBROMO-2-BUTENE
Packaging of TRANS-1,4-DIBROMO-2-BUTENE
Industrial TRANS-1,4-DIBROMO-2-BUTENE 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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