Tetramethylammonium sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 14190-16-0 |
| Product name | Tetramethylammonium sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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) |
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Documents We Provide for Tetramethylammonium sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tetramethylammonium sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tetramethylammonium sulfate
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Phase-transfer catalyst | Used to enhance the solubility and reactivity of ionic reagents in the organic phase during alkylation, esterification, and oxidation reactions of haloalkanes |
| Pharmaceutical Intermediate Synthesis | Quaternary ammonium structural unit introducer | Employed in constructing drug molecules containing quaternary ammonium groups, such as in the synthesis of antimicrobial agents or neuromuscular blocking agents |
| Materials Science | Initiator/Regulator for polymerization | Acts as a cation source to control polymerization rate and molecular weight distribution in free-radical or ionic polymerization |
Manufacturing Quality Control of Tetramethylammonium sulfate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies tetramethylammonium sulfate by titration with standardized HCl after hydrolysis to liberate methylamine, followed by back-titration. |
| Water Content | Karl Fischer Titration | Measures water content based on the stoichiometric reaction of iodine with sulfur dioxide and water in a methanol-based reagent. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Content | Gravimetric Analysis | Precipitates sulfate as barium sulfate and determines mass after filtration and drying. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content by atomizing the sample and detecting absorbance at characteristic wavelengths. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic impurities by ignition at 700-800 C and weighing residual ash. |
| pH (1% aqueous solution) | pH Potentiometry | Measures hydrogen ion activity using calibrated glass electrode in a standardized aqueous solution. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration against standard reference. |
| Melting Point | Capillary Melting Point Determination | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Organic Impurities | High-Performance Liquid Chromatography (HPLC) | Separates and detects organic contaminants using reversed-phase column and UV detection. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Quantifies volatile matter by measuring mass loss upon heating to 105 C under controlled atmosphere. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to detect chiral impurities or confirm identity (though compound is symmetric, used for consistency). |
Technical Specifications of Tetramethylammonium sulfate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 210–215 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 Tetramethylammonium sulfate
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NMR Spectra of Tetramethylammonium sulfate
Packaging of Tetramethylammonium sulfate
Industrial Tetramethylammonium sulfate 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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