HEXADECYLTRIMETHOXYSILANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16415-12-6 |
| Product name | HEXADECYLTRIMETHOXYSILANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial GradeCosmetic GradeFood 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 HEXADECYLTRIMETHOXYSILANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk HEXADECYLTRIMETHOXYSILANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of HEXADECYLTRIMETHOXYSILANE
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Used as an adhesion promoter to enhance the adhesion of organic coatings to inorganic substrates such as glass and metals | Added as an additive in coating formulations, typically at 0.5–2.0 wt%, blended with resin in solvent-based or water-based systems prior to application; heat treatment (80–150 °C) triggers hydrolysis and condensation of the silane to form covalent Si–O–substrate bonds |
| Electronic Encapsulation | Applied for surface modification of LED encapsulants and die-attach materials to improve interfacial compatibility between epoxy/organosilicone resins and silica fillers or substrates | During filler pretreatment, cetyltrimethoxysilane is dissolved in a mixed solvent of ethanol/toluene, then reacted with silica micropowder under agitation; the solvent is subsequently removed by drying before mixing the treated filler with resin |
| Cosmetics | Employed as a hydrophobizing agent for powder surfaces (e.g., titanium dioxide, zinc oxide) to improve dispersion stability in oil phases and skin feel | Applied via dry- or wet-process coating: in the wet process, the powder is dispersed in an alcohol-based solvent, followed by dropwise addition of the silane solution and reflux reaction at 60–80 °C for 2–4 h, then filtered, washed, and dried; in the dry process, the powder reacts directly with silane vapor or a diluted silane solution in a high-speed mixer |
| Cultural Heritage Conservation | Applied for hydrophobic protection of stone artifacts (e.g., sandstone, limestone) to inhibit water penetration and salt crystallization damage | Applied via immersion or spray coating using a 5–10 vol% ethanol/water solution (pH ≈ 4.5, with trace acetic acid as catalyst); after 24–72 h reaction at ambient temperature, the treated surface is air-dried to form a hydrophobic SiO₂ network layer |
Manufacturing Quality Control of HEXADECYLTRIMETHOXYSILANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area relative to calibration curve using internal or external standard. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric titration based on iodine consumption in pyridine-methanol solvent. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Density at 20 C | Digital Density Meter | Measures mass per unit volume using oscillating U-tube principle calibrated with reference standards. |
| Refractive Index at 20 C | Refractometry | Determines ratio of light velocity in air vs. sample using critical angle measurement with sodium D-line light source. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluates yellowness intensity by matching sample color to platinum-cobalt standard solutions or measuring absorbance at 455 nm. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride anions using ion-exchange column and conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing of the crucible. |
| Viscosity at 25 C | Rotational Viscometry | Determines resistance to flow under shear stress using calibrated spindle rotation in controlled temperature bath. |
| Flash Point | Closed Cup Pensky-Martens Tester | Measures lowest temperature at which vapors ignite momentarily when exposed to flame under standardized conditions. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies trace metal contaminants after acid digestion by measuring element-specific atomic emission intensities. |
| Hydrolyzable Methoxy Groups | Acid-Catalyzed Hydrolysis followed by GC or Titration | Cleaves Si-OCH3 bonds with HCl/methanol, then quantifies released methanol via GC or back-titration of excess acid. |
Technical Specifications of HEXADECYLTRIMETHOXYSILANE
| 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) | 1.425–1.435 |
| 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 HEXADECYLTRIMETHOXYSILANE
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| Lot/Batch Number | *Required fields | |
NMR Spectra of HEXADECYLTRIMETHOXYSILANE
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Industrial HEXADECYLTRIMETHOXYSILANE 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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