METHACRYLIC ACID-SODIUM HYDROGEN SULFITE TELOMER, SODIUM SALT Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 156559-16-9 |
| Product name | METHACRYLIC ACID-SODIUM HYDROGEN SULFITE TELOMER, SODIUM SALT |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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 156559-16-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 156559-16-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 156559-16-9
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Introducing functional groups into drug molecules | Used to introduce target functional groups via organic synthesis reactions |
| Agrochemical Intermediates | Preparing pesticide compounds with specific biological activity | Applied in condensation, esterification, and other reactions with other raw materials to produce target compounds |
| Organic Synthesis | Serving as starting materials or intermediates for synthesizing other chemicals | Participating in reactions under specific conditions to generate target compounds |
Manufacturing Quality Control of 156559-16-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 205 nm, calibrated against certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based solvent system. |
| Residual Solvents (e.g., Methanol, Ethanol) | GC-FID | Separation and quantification by gas chromatography with flame ionization detection using internal standard calibration. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion, measuring emission intensities at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of anions on anion-exchange column with suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Same as chloride but optimized for sulfate elution and detection. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Direct measurement using calibrated glass electrode in aqueous solution at 25 C. |
| Appearance (Color & Clarity) | Visual Inspection | Comparison against water-white standard under controlled lighting; assessment of particulate matter and haze. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities using gradient HPLC with UV detection. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue after charring and ashing at 700-800 C to determine inorganic non-volatile content. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light in solution using sodium D-line (589 nm). |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after standardized tapping of a known powder mass in a graduated cylinder. |
Technical Specifications of 156559-16-9
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 125°C - 130°C |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic faint amine odor |
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 156559-16-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 156559-16-9
Industrial 156559-16-9 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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