5021-93-2 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5021-93-2 |
| Product name | 5021-93-2 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic Grade |
| Packaging | 25L/drum |
| 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 5021-93-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5021-93-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5021-93-2
| Industry | Application | Process Description |
|---|---|---|
| Chemical Industry | Silane Coupling Agents | Used in the synthesis of organosilicon compounds as crosslinkers or coupling agents for siloxane polymers |
| Materials Science | Synthesis of Porous Materials | Employed as a precursor for preparing mesoporous silica or functionalized silica-based materials |
| Electronics Industry | Semiconductor Manufacturing | Applied as a precursor for passivation or dielectric layers in semiconductor surface treatment |
| Coatings & Surface Treatment | Coating Additive | Enhances coating water resistance, adhesion, and corrosion resistance |
| Catalysis | Catalytic Reaction Promoter | Used as a surface modifier for supported catalysts to improve catalytic activity and stability |
Manufacturing Quality Control of 5021-93-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on retention time and peak area comparison against certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in methanol-pyridine solvent system. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Color | Visual Comparison or Spectrophotometry (APHA/Pt-Co scale) | Comparison of sample color to platinum-cobalt standard solutions or measurement of absorbance at 455 nm. |
| Density at 20 C | Digital Density Meter | Measurement of mass per unit volume using oscillating U-tube principle with temperature control. |
| Refractive Index at 20 C | Refractometry | Determination of light bending angle at air-sample interface using calibrated Abbe refractometer. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of known sample mass under controlled conditions followed by weighing of non-volatile residue. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Separation and quantification of chloride ions using conductivity detection (IC) or silver nitrate titration with endpoint detection. |
| Heavy Metals (Pb, Cd, Cr, Hg) | ICP-OES | Multi-element quantification after acid digestion by measuring element-specific atomic emission intensities. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Analysis of low-boiling contaminants in vapor phase above sample at controlled temperature. |
| Alcohol Content (Ethanol/EtOH) | Gas Chromatography (GC) with FID | Separation and quantification of residual ethanol using internal standard and calibration curve. |
| pH of Aqueous Solution | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a 10% aqueous solution of the compound. |
Technical Specifications of 5021-93-2
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.395–1.405 |
| Relative Density (20°C/25°C) | 0.875–0.885 g/cm³ |
| Odor | Characteristic silane 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 5021-93-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5021-93-2
Packaging of 5021-93-2
Industrial 5021-93-2 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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