Choline tosylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 55357-38-5 |
| Product name | Choline tosylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial 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) |
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Documents We Provide for Choline tosylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Choline tosylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Choline tosylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Choline source for synthesizing drug intermediates or nutritional supplements | Acts as a quaternary ammonium salt in organic synthesis to deliver the choline cation |
| Chemical Synthesis | Phase-transfer catalyst (PTC) | Facilitates reactions between aqueous and organic phases, enhancing reaction efficiency and selectivity |
| Materials Science | Component of ionic liquids | Combined with various anions to form functionalized ionic liquids with low melting points and high stability |
| Biochemistry | Buffer system or enzyme reaction aid | Maintains reaction environment stability under specific pH conditions, supporting enzymatic catalysis |
| Agricultural Chemicals | Intermediate for plant growth regulators | Used to synthesize biologically active nitrogen-containing compounds |
Manufacturing Quality Control of Choline tosylate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Choline p-Toluenesulfonate Content) | Acid-Base Titration with NaOH | Quantifies active ingredient by titrating residual acid after hydrolysis or direct titration of the salt's acidic component. |
| Water Content | Karl Fischer Titration | Measures water via iodine-sulfur dioxide redox reaction in a methanol-based solvent system. |
| Residual Solvents (e.g., Methanol, Ethanol) | Gas Chromatography (GC) with FID | Separates and quantifies volatile organic solvents using capillary column and flame ionization detection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Detects trace metal impurities by ionizing sample in plasma and measuring mass-to-charge ratios with high sensitivity. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride anions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetric Method | Precipitates sulfate as BaSO4 and determines content by weighing the dried precipitate. |
| pH (1% w/v aqueous solution) | Potentiometric pH Measurement | Measures hydrogen ion activity using calibrated glass electrode in standardized aqueous solution. |
| Appearance (Color and Clarity) | Visual Inspection against Standard Solutions | Compares sample solution to reference standards (e.g., APHA/Hazen color scale) under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Loss on Drying (LOD) | Thermogravimetric Analysis (TGA) | Measures mass loss upon heating to remove volatiles and moisture under controlled nitrogen or air atmosphere. |
| Related Substances (Impurity Profile) | Reverse-Phase HPLC with UV Detection | Separates and quantifies structurally related impurities using C18 column and UV absorbance at 205 nm. |
| Microbial Limits | Membrane Filtration and Plate Count | Detects aerobic microorganisms by filtration, membrane transfer to culture media, and colony enumeration after incubation. |
Technical Specifications of Choline tosylate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 148-152°C |
| Total Impurities | <=1.5% |
| 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 Choline tosylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Choline tosylate
Packaging of Choline tosylate
Industrial Choline tosylate 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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