77-63-4 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 77-63-4 |
| Product name | 77-63-4 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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) |
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Documents We Provide for 77-63-4
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 77-63-4 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 77-63-4
| Industry | Application | Process |
|---|---|---|
| Silicone Rubber Industry | Used as a crosslinking agent and modifier to enhance thermal stability and mechanical properties of silicone rubber | Undergoes condensation reaction with hydroxyl-terminated polydimethylsiloxane under catalytic conditions to form a three-dimensional network structure |
| Organosilicon Materials | Used to produce high-refractive-index organosilicon resins for optical components and LED encapsulation | Participates in ring-opening polymerization and copolymerizes with other siloxane monomers to yield transparent, high-refractive-index polymers |
| Electronic Encapsulation | Used as an insulating and cushioning material for semiconductor chip packaging and microelectronic devices | Cured thermally or via UV irradiation under vacuum or nitrogen atmosphere to form a dense siloxane film layer |
| Medical Devices | Used to manufacture biocompatible silicone products such as catheters and implants | Purified material undergoes hydrosilylation with a platinum catalyst to produce low-toxicity, highly elastic silicone products |
| Coatings & Films | Serves as a precursor for high-temperature-resistant, hydrophobic coatings | Forms films via sol-gel processing, followed by thermal treatment to generate inorganic-organic hybrid coatings with Si–O–Si network structures |
Manufacturing Quality Control of 77-63-4
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component peak area relative to calibration curve using volatile organic compound separation and flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric iodine reaction with water in anhydrous methanol-based solvent system. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Determines free acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C and subsequent weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization of sample and measurement of light absorption at characteristic wavelengths. |
| Iron (Fe) Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Measures trace Fe concentration via plasma excitation and element-specific emission line intensity detection. |
| Chloride Ion Content | Ion Chromatography (IC) with conductivity detection | Separates and quantifies chloride anions based on retention time and conductivity response in aqueous eluent. |
| Viscosity | Capillary Viscometry | Determines kinematic viscosity by measuring flow time of a fixed volume through a calibrated capillary tube under gravity. |
| Refractive Index | Refractometry | Measures bending of light at sample-air interface to determine refractive index as a function of composition and purity. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement (APHA scale) | Evaluates yellowness intensity by matching sample color to standardized platinum-cobalt solutions or using UV-Vis absorbance at 455 nm. |
| Volatiles Content | Thermogravimetric Analysis (TGA) | Quantifies weight loss due to low-boiling impurities by controlled heating under inert atmosphere and continuous mass monitoring. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Detects and quantifies volatile organic solvents by equilibrium partitioning into headspace followed by GC separation and FID detection. |
Technical Specifications of 77-63-4
| Test Item | Specification |
|---|---|
| Appearance | Colorless viscous liquid |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.540–1.560 |
| Relative Density (20°C/25°C) | 1.08–1.12 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 77-63-4
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 77-63-4
Packaging of 77-63-4
Industrial 77-63-4 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.
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