China Factory Direct
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| CAS number | 3918-73-8 |
| Product name | 1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic 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) |
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 |
|---|---|---|
| Electroplating | Used as a brightener to improve coating brightness and uniformity | Added to the plating bath for co-deposition with metal ions |
| Electronics | Additive in semiconductor wafer electroplating to enhance copper deposition quality | Employed as a critical additive in the electroplating process to optimize deposition rate and crystal structure |
| Chemical | Organic synthesis intermediate for preparing sulfonic acid derivatives | Introduced via chemical reaction to incorporate sulfonic acid groups, enabling subsequent synthesis steps |
| Surface Treatment | Surface treatment agent for metals to improve corrosion resistance and adhesion | Applied by spraying or immersion during pre-treatment or post-treatment to form a functional film layer |
| Pharmaceuticals | Supporting component in drug delivery or sustained-release formulations (further validation required) | Incorporated into pharmaceutical formulations via molecular modification or inclusion technology |
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, state (e.g., white to off-white powder or crystals), whether it is clumped or contains visible impurities. |
| Identification | Infrared Spectroscopy (IR) | Compare the sample with a reference spectrum to confirm the presence of characteristic functional groups (e.g., sulfonic acid group, pyridine ring, hydroxyl group). |
| Nuclear Magnetic Resonance Hydrogen Spectrum (¹H-NMR) | Analyze hydrogen atoms' chemical shifts, peak shapes, and integration ratios to verify structural consistency. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column and UV detector (common wavelengths: 254 nm or 220 nm) to quantify the main component by retention time and peak area. |
| Ionic Chromatography (IC) | Suitable for ionic compounds; quantifies sulfonate ion content, indirectly reflecting the main component content. | |
| Moisture | Karl Fischer Method | Accurately measure moisture content in the sample. It includes volumetric and coulometric methods, suitable for trace moisture detection. |
| pH Value | pH Meter Measurement | Prepare a water solution at a certain concentration (e.g., 1% w/v) and measure its acidity or alkalinity using a calibrated pH meter. |
| Purity / Related Substances | High-Performance Liquid Chromatography (HPLC) | Detect and quantify potential organic impurities (e.g., unreacted raw materials, degradation products), and calculate total impurity amount. |
| Sulfate Residue | Ionic Chromatography or Turbidimetric Method | Detect sulfate ions possibly remaining from the synthesis process to ensure compliance with limit requirements. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Determine the residual levels of heavy metal elements such as lead, cadmium, mercury, and arsenic, ensuring compliance with pharmacopoeia or industry safety standards. |
| Residue on Ignition (Sulfate Ash) | Residue on Ignition Method | Weigh the residue after high-temperature ignition to evaluate the total amount of inorganic impurities, often used to assess purity. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| 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.