1992-48-9 Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 1992-48-9 |
| Product name | 1992-48-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 1992-48-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1992-48-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1992-48-9
| Industry | Application | Process |
|---|---|---|
| Semiconductors | Silicon dioxide thin-film deposition (CVD process) | Used as a precursor in chemical vapor deposition (CVD) to generate high-purity silicon dioxide layers |
| Optical materials | High-purity optical glass coatings | Hydrolyzed via the sol-gel process to form SiO₂ coatings, enhancing optical transparency and durability |
| Coatings and resins | Improved coating adhesion and weather resistance | Applied as a coupling or crosslinking agent, copolymerizing with organic resins to enhance interfacial bonding performance |
| Nanomaterials | Synthesis of silicon dioxide nanoparticles | Produced via hydrolysis-condensation reactions to yield spherical SiO₂ nanoparticles for use in composites or drug delivery systems |
| Electronic packaging | Component of chip encapsulation materials | Used as an epoxy resin modifier to improve dielectric properties and thermal stability |
| Ceramics and refractories | Additive to enhance sintering performance | Decomposes at elevated temperatures to supply reactive SiO₂, promoting densification and thermal shock resistance |
| Construction materials | Waterproofing and moisture-resistant treatment agent | Forms a hydrophobic SiO₂ film on surfaces through hydrolysis, improving water resistance of concrete or stone |
Manufacturing Quality Control of 1992-48-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (assay) | Gas Chromatography (GC) | Quantitative separation and detection of silicon tetraisopropoxide and impurities using a capillary column and flame ionization detector. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent. |
| Acidity (as HCl) | Acid-Base Titration | Neutralization of acidic impurities with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Density at 20 C | Digital Density Meter | Measurement of mass per unit volume using oscillating U-tube principle calibrated with reference standards. |
| Refractive Index at 20 C | Refractometry | Determination of light bending angle at air-sample interface using Abbe refractometer or digital equivalent. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against platinum-cobalt standard solutions or measurement of absorbance at 455 nm. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of known sample mass to dryness followed by weighing of non-volatile residue. |
| Iron (Fe) Content | ICP-OES | Atomic emission detection of iron after acid digestion and nebulization into inductively coupled plasma. |
| Chloride (Cl-) Content | Ion Chromatography (IC) | Separation and conductivity detection of chloride ions in aqueous extract of sample. |
| Alcohol Content (isopropanol) | Gas Chromatography (GC) | Quantification of residual isopropanol using internal standard and capillary GC-FID. |
| Silicon Content | Gravimetric Silicomolybdate Method | Precipitation of silicon as silicomolybdic acid followed by reduction and gravimetric determination of molybdenum blue. |
| Volatile Impurities Profile | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation by GC coupled with mass spectral identification and semi-quantification of low-boiling impurities. |
Technical Specifications of 1992-48-9
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.372–1.376 |
| Relative Density (20°C/25°C) | 0.852–0.858 g/cm³ |
| Odor | Characteristic mild ether-like odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of 1992-48-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1992-48-9
Packaging of 1992-48-9
Industrial 1992-48-9 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply