China Factory Direct
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| CAS number | 235789-75-0 |
| Product name | EMI-FSI 1-Ethyl-3-methylimidazolium Bis(fluorosulfonyl) imide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 |
|---|---|---|
| Electrochemistry | Lithium-ion battery electrolyte | Used as an ionic liquid additive or primary solvent to enhance ionic conductivity, thermal stability, and cycling performance |
| Electrochemistry | Supercapacitor electrolyte | Applied as a high-voltage-window, low-volatility electrolyte component to improve energy density and safety |
| Materials Science | Synthesis medium for functional materials | Employed as a green solvent for controlled synthesis of nanomaterials and conductive polymers |
| Analytical Chemistry | Additive for chromatographic stationary phases | Added to gas or liquid chromatography mobile phases to improve separation selectivity |
| Green Chemistry | Reaction medium | Substitutes conventional organic solvents in catalytic reactions (e.g., Friedel-Crafts alkylation, Heck coupling), facilitating product isolation and catalyst recovery |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 210 nm based on peak area comparison to 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) using gas chromatography with flame ionization detection. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions via suppressed conductivity detection after anion exchange separation. |
| Sulfate Impurity | Ion Chromatography (IC) | Separates and quantifies sulfate ions using anion exchange column and suppressed conductivity detection. |
| Heavy Metals (Pb, Cd, Ni, Cr) | ICP-MS | Detects trace heavy metals by plasma ionization followed by mass spectrometric quantification with isotope dilution or external calibration. |
| Acidity (as H+) | Acid-Base Titration | Measures acidic impurities by titration with standardized NaOH solution using potentiometric or indicator endpoint detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of solid or molten sample against standard references under controlled lighting. |
| 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 high-temperature ashing at 600 C and weighing. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light by chiral impurities or enantiomeric excess in solution at specified concentration and wavelength. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid powder using Mie scattering theory applied to laser diffraction pattern analysis. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | <-10°C |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.