China Factory Direct
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| CAS number | 21876-43-7 |
| Product name | PYRIDINIUM BUTYLSULFONATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial 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 |
|---|---|---|
| Pharmaceuticals | Used as an organic synthesis intermediate for the preparation of antiviral, antibacterial, and antitumor agents | Applied in constructing heterocyclic compounds, introducing functional groups via nucleophilic substitution or condensation reactions |
| Agrochemicals | Used as a pesticide intermediate for synthesizing biologically active nitrogen-containing heterocyclic compounds | Condensed with other reagents under acidic or basic conditions to form the target molecular scaffold |
| Dyes and Pigments | Used as a functional additive or intermediate for synthesizing dyes with specific molecular structures | Participates in constructing dye parent structures via sulfonation, esterification, or cyclization reactions |
| Fine Chemicals | Used to synthesize functional materials such as surfactants, corrosion inhibitors, and ionic liquids | Undergoes ring-opening or ion-exchange reactions leveraging its lactone ring and sulfonic acid group |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Pyrrolidinone Sulfonic Acid Butyrolactone) | HPLC with UV detection | Quantitative determination based on retention time and peak area comparison against reference standard using reversed-phase chromatography. |
| Water Content | Karl Fischer titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification via atomic emission spectroscopy after acid digestion and plasma excitation. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection. |
| Sulfate Impurity | Barium sulfate gravimetric method | Precipitation of sulfate as BaSO4 under controlled pH, followed by filtration and weighing. |
| Related Substances | HPLC with diode array detection | Identification and quantification of structurally related impurities using gradient elution and spectral comparison. |
| pH of Aqueous Solution | Potentiometric measurement | Determination of hydrogen ion activity using calibrated glass electrode in 1% w/v aqueous solution. |
| Appearance | Visual inspection | Assessment of physical state, color, and clarity against standard references under controlled lighting. |
| Melting Point | Capillary melting point apparatus | Thermal transition detection by observing solid-to-liquid phase change range using calibrated capillary tube method. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution at specified concentration and path length. |
| Residual Solvents | Gas Chromatography (GC) with FID | Quantification of volatile organic solvents using headspace sampling and flame ionization detection. |
| Test Item | Specification |
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| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 62–66°C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic odor |
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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.