hexadecamethylheptasiloxane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 541-01-5 |
| Product name | hexadecamethylheptasiloxane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum |
| 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 hexadecamethylheptasiloxane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk hexadecamethylheptasiloxane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of hexadecamethylheptasiloxane
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Silicone oils and organosilicon intermediates | Used to prepare various modified silicone oils; serves as a raw material or intermediate in organosilicon polymer synthesis. |
| Personal Care & Cosmetics | Skin and hair conditioning agents | Incorporated into skin creams, sunscreens, hair conditioners, and similar products to form a hydrophobic protective film on skin or hair surfaces, delivering moisturizing, lubricating, and water-repellent effects. |
| Coatings & Inks | Coating additives (water repellents/flow promoters) | Blended into coating or ink formulations to improve film leveling, reduce surface tension, and impart superior water repellency and weather resistance to the cured coating. |
| Textiles & Fibers | Fabric finishing agents | Applied to fabrics via padding or coating processes to confer water repellency, softness, and smooth hand feel. |
| Pharmaceutical Industry | Pharmaceutical excipients (antifoaming agents) | Used as an antifoaming component during drug manufacturing or formulation, or to enhance the hydrophobic properties of pharmaceutical products. |
| Mechanical Industry | Lubricants and release agents | Employed as a high-performance lubricant for mechanical components, or as a release agent in plastic and rubber processing to facilitate part demolding and improve surface finish. |
Manufacturing Quality Control of hexadecamethylheptasiloxane
| 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 internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acidic groups by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Viscosity at 25 C | Capillary Viscometry | Measures flow time of sample through calibrated capillary tube under gravity; converted to kinematic viscosity. |
| Refractive Index at 20 C | Refractometry | Determines ratio of light velocity in air vs. sample using prism-based optical measurement at specified temperature. |
| Density at 20 C | Digital Density Meter | Measures mass per unit volume via oscillating U-tube principle with temperature-controlled sample cell. |
| Volatility (Loss on Drying) | Gravimetric Analysis | Weighs sample before and after controlled heating to remove volatile components; calculates weight loss percentage. |
| Color (APHA) | Visual Comparison or Spectrophotometric APHA | Compares sample color to platinum-cobalt standard solutions or measures absorbance at 455 nm against APHA scale. |
| Residue on Ignition | Gravimetric Ash Test | Heats sample to high temperature to burn off organics; weighs inorganic residue remaining as percent of original mass. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals after acid digestion by measuring atomic absorption of specific metal wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Detects chloride ions via silver nitrate titration monitored by silver electrode potential change. |
| Flash Point | Closed Cup Pensky-Martens Tester | Determines lowest temperature at which vapors ignite momentarily when exposed to flame under standardized conditions. |
Technical Specifications of hexadecamethylheptasiloxane
| Test Item | Specification |
|---|---|
| Appearance | Colorless Liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.405–1.415 |
| Relative Density (20°C/25°C) | 0.920–0.940 g/cm³ |
| Odor | Characteristic, mild |
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 hexadecamethylheptasiloxane
| CAS/Product ID | *Required fields | |
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NMR Spectra of hexadecamethylheptasiloxane
Packaging of hexadecamethylheptasiloxane
Industrial hexadecamethylheptasiloxane 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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