quinolinium hydrogen sulphate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 530-66-5 |
| Product name | quinolinium hydrogen sulphate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeReagent 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 quinolinium hydrogen sulphate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk quinolinium hydrogen sulphate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of quinolinium hydrogen sulphate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Antimicrobial intermediate for synthesizing antimalarial agents (e.g., chloroquine, hydroxychloroquine) and anti-amoebic drugs | Used as a key quinoline ring-building unit in drug synthesis, introduced into target molecules via multistep reactions including nitration, reduction, and acylation |
| Dyes | Fluorescent whitening agent and dye intermediate | Applied in synthesizing quinoline-based fluorescent whitening agents (e.g., DTB), producing water-soluble fluorescent compounds through sulfonation, condensation, and related reactions |
| Analytical Chemistry | Colorimetric chelating reagent for metal ions (e.g., Fe³⁺, Al³⁺, Mg²⁺) | Forms stable colored complexes with metal ions in pH 4–6 buffered systems, enabling spectrophotometric determination |
| Pesticides | Insecticide and fungicide intermediate | Used to synthesize quinoline-based agricultural fungicides (e.g., iodoquinoline derivatives), with biological activity enhanced through halogenation, alkylation, and other structural modifications |
Manufacturing Quality Control of quinolinium hydrogen sulphate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies quinoline sulfate content by titration with standardized NaOH using phenolphthalein indicator. |
| Water Content | Karl Fischer Titration | Measures trace water via coulometric or volumetric reaction between water and iodine in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Determines total heavy metal impurities (e.g., Pb, Cd, Hg) by plasma excitation and elemental emission spectroscopy. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Chloride Precipitation | Forms insoluble BaSO4 precipitate; quantified gravimetrically or turbidimetrically. |
| Related Substances | HPLC-UV | Separates and detects organic impurities (e.g., quinoline, quinolinium salts) using reversed-phase column and UV detection at 254 nm. |
| pH of Aqueous Solution | Potentiometric Measurement | Measures hydrogen ion activity in a 1% w/v aqueous solution using calibrated pH electrode. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard white background under controlled lighting. |
| Solubility | Qualitative Dissolution Test | Evaluates complete dissolution in specified solvents (e.g., water, ethanol) at defined concentrations and temperatures. |
| Loss on Drying | Thermogravimetric Analysis | Measures mass loss upon heating at 105 C for 2 hours, reflecting volatile components and residual solvents. |
Technical Specifications of quinolinium hydrogen sulphate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 176–179°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Freely soluble in ethanol and chloroform; slightly soluble in water |
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 quinolinium hydrogen sulphate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of quinolinium hydrogen sulphate
Safety Information of quinolinium hydrogen sulphate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of quinolinium hydrogen sulphate
Industrial quinolinium hydrogen sulphate 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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