China Factory Direct
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| CAS number | 516474-01-4 |
| Product name | 1-ETHYL-3-METHYLIMIDAZOLIUM METHYLSULFATE |
| 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 |
|---|---|---|
| Green Chemistry / Catalysis | As ionic liquid catalysts or reaction media | Substitutes conventional volatile organic solvents in organic synthesis reactions (e.g., Friedel–Crafts alkylation, esterification, condensation), enhancing reaction selectivity and yield |
| Electrochemistry | Electrolyte component | Provides ionic conductivity and improves electrode/electrolyte interfacial stability in electrochemical devices such as lithium-ion batteries and supercapacitors |
| Separation Engineering | Extraction agent or absorbent | Enables efficient, selective separation in gas capture (e.g., CO₂, SO₂) or liquid–liquid extraction processes, leveraging tunable polarity and low vapor pressure |
| Materials Science | Functional material precursor or additive | Acts as a structure-directing agent or stabilizer during the synthesis of nanomaterials and polymer composites, controlling material morphology and properties |
| 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 against reference standard. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration where iodine reacts stoichiometrically with water in a methanol-based electrolyte. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., acetonitrile, methanol) using capillary GC with flame ionization detection. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and detects chloride ions via suppressed conductivity detection after anion exchange separation. |
| Sulfate Impurity | Ion Chromatography (IC) | Quantifies sulfate ions using anion exchange chromatography with suppressed conductivity detection. |
| Heavy Metals | ICP-OES | Measures trace metal contaminants (e.g., Pb, Cd, Ni) by plasma excitation and elemental emission intensity detection. |
| Acidity (as H2SO4) | Acid-Base Titration | Determines free acid content by titration with standardized NaOH solution using phenolphthalein endpoint. |
| Viscosity | Rotational Viscometry | Measures dynamic viscosity at controlled temperature using a calibrated rotational viscometer with spindle geometry. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard specifications under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary method per USP <741>. |
| Residue on Ignition | Gravimetric Analysis | Quantifies non-volatile inorganic residue after high-temperature ashing and weighing. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to confirm chiral integrity and absence of racemization. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic odor |
| Color (APHA/Pt-Co) | <=100 |
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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.