18143-33-4 Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 18143-33-4 |
| Product name | 18143-33-4 |
| 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 18143-33-4
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 18143-33-4 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 18143-33-4
| Industry | Application | Process |
|---|---|---|
| Organosilicon Industry | Synthesis of other organosilicon compounds | Used as an intermediate in the synthesis of various organosilicon polymers and modified organosilicon materials, such as sealants and coatings |
| Electronics Industry | Preparation of electronic encapsulation materials | Applied in the preparation of high-performance electronic encapsulation materials to enhance the stability and reliability of electronic devices |
| Coatings Industry | Improvement of coating performance | Added to improve coating weather resistance, water resistance, and mechanical strength |
| Adhesives Industry | Enhancement of adhesive performance | Employed as a raw material for synthesizing high-performance adhesives, improving bond strength and durability |
Manufacturing Quality Control of 18143-33-4
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative separation and detection based on volatility and retention time relative to certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Acid Number | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Chloride Ion Content | Ion Chromatography (IC) | Separation and quantification of chloride anions using ion-exchange column and conductivity detection. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of sample under controlled conditions followed by weighing of non-volatile residue. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface to infer purity and composition. |
| Volatility Loss | Thermogravimetric Analysis (TGA) | Weight loss measurement upon controlled heating to assess volatile impurities and thermal stability. |
| Heavy Metals (Pb, Fe, Cu, Ni) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomization and excitation of metals in plasma, followed by element-specific emission intensity measurement. |
| Aldehyde Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation by GC coupled with mass spectral identification and quantification of low-level aldehyde contaminants. |
| Dimethyldichlorosilane (DMDCS) Impurity | Gas Chromatography (GC) with FID detector | Targeted quantification using calibrated response factors against a DMDCS reference standard. |
| Methanol Content | Headspace Gas Chromatography (HS-GC) | Equilibrium partitioning of methanol into headspace followed by GC-FID detection. |
Technical Specifications of 18143-33-4
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.415–1.425 |
| Relative Density (20°C/25°C) | 0.970–0.990 g/cm³ |
| Odor | Characteristic chlorosilane 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 18143-33-4
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 18143-33-4
Packaging of 18143-33-4
Industrial 18143-33-4 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