China Factory Direct
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| CAS number | 34311-90-5 |
| Product name | 1-butyl-3-ethenylimidazol-1-ium:bromide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Chemical Research | Synthesis of Ionic Liquids | Used as a bromide salt for preparing functionalized ionic liquids applied in catalytic or solvent systems |
| Organic Synthesis | Catalyst or Catalyst Precursor | Employed as a component of ligands or stabilizers in transition metal-catalyzed reactions |
| Materials Science | Functional Material Preparation | Applied in the synthesis of polymers or composites with specific electrochemical properties |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 210-220 nm based on peak area comparison against reference standard. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration using iodine generated in situ, reacting stoichiometrically with water. |
| Residual Solvents | GC-FID | Identifies and quantifies volatile organic solvents (e.g., acetonitrile, methanol) via gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-MS | Measures trace metal impurities (Pb, Cd, Hg, As, etc.) by plasma ionization and mass spectrometric detection with high sensitivity. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Bromide Content | Potentiometric Titration with AgNO3 | Titrates bromide ions with silver nitrate using silver indicator electrode; endpoint detected by potential change. |
| Acidity (Free Acid) | Acid-Base Titration | Titration with standardized NaOH solution using phenolphthalein or potentiometric endpoint to determine acidic impurities. |
| Color | Visual Comparison or Colorimeter | Compares sample solution color against platinum-cobalt (APHA) standards or measures absorbance at specified wavelength. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary method per USP <741>. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled ashing at 600-750 C and weighing. |
| Microbial Contamination | Membrane Filtration and Plate Count | Detects viable aerobic microorganisms by filtration, membrane transfer to agar media, and colony enumeration. |
| Particle Size Distribution | Laser Diffraction | Measures particle size distribution in suspension using angular scattering pattern of laser light. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 75-79°C |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.