139147-73-2 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 139147-73-2 |
| Product name | 139147-73-2 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 139147-73-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 139147-73-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 139147-73-2
| Industry | Application | Process |
|---|---|---|
| Semiconductor Industry | Silicon source precursor | Chemical vapor deposition (CVD) / atomic layer deposition (ALD) |
| Semiconductor Industry | Gate dielectric material fabrication | Atomic layer deposition (ALD) for high-k gate dielectric thin films |
| Optoelectronics Industry | Passivation and protection of optoelectronic devices | Surface passivation, thin-film encapsulation |
| Materials Synthesis | Synthesis of organosilicon polymers | Monomer polymerization or copolymerization |
| Silane Coupling Agent Production | Intermediate | Hydrosilylation or hydrolytic condensation |
Manufacturing Quality Control of 139147-73-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard under optimized chromatographic conditions. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in pyridine-methanol solvent system. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Chloride Content | Potentiometric Titration with AgNO3 | Precipitation titration where chloride ions react with silver nitrate, detected by silver electrode potential change. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile residue after controlled high-temperature ashing and subsequent weighing. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Multi-element quantification by measuring characteristic atomic emission intensities after plasma atomization and excitation. |
| Iron (Fe) Content | AAS | Quantification of iron concentration via absorption of specific wavelength light by ground-state Fe atoms in acetylene-air flame. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Assessment of sample color intensity relative to platinum-cobalt standard solutions using visual or UV-Vis absorbance at 455 nm. |
| Density | Digital Density Meter | Determination of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface to infer purity and composition. |
| Volatility Residue (105 C, 2 h) | Gravimetric Analysis | Weight loss measurement after drying at 105 C for 2 hours to assess volatile impurities. |
| Non-Volatile Matter | Gravimetric Analysis | Residue weight after evaporation of a known sample mass under controlled heating and vacuum. |
Technical Specifications of 139147-73-2
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.495–1.505 |
| Relative Density (20°C/25°C) | 0.98–1.02 g/cm³ |
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 139147-73-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 139147-73-2
Industrial 139147-73-2 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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