Bis(trimethylsilyl)sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18306-29-1 |
| Product name | Bis(trimethylsilyl)sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 Bis(trimethylsilyl)sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bis(trimethylsilyl)sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bis(trimethylsilyl)sulfate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Hydroxyl protecting reagent for functional group protection during synthesis | Reacting with alcohols or phenols in organic synthesis to form silyl ethers, thereby preventing reactive groups from participating in undesired side reactions |
| Pharmaceuticals | Sulfating reagent for introduction of sulfate groups | Reacting with hydroxyl-containing compounds to achieve selective sulfation, particularly in carbohydrate or natural product modification |
| Materials Science | Surface modification or preparation of silicon-based functional materials | Acting as a silylation agent to react with surface hydroxyl groups, thereby enhancing hydrophobicity or adhesion |
| Organic Synthesis | Dehydrating or condensing agent to promote esterification or amidation reactions | Providing sulfate ions in the reaction to activate carboxylic acids or remove water as a byproduct |
| Analytical Chemistry | Derivatization reagent for sample preparation prior to gas chromatography or mass spectrometry analysis | Reacting with polar compounds (e.g., alcohols, acids) to generate more volatile silyl ether derivatives for improved detection |
Manufacturing Quality Control of Bis(trimethylsilyl)sulfate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component by retention time and peak area comparison against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric iodine reaction with water in anhydrous methanol medium. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions based on ion exchange retention and conductivity detection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Detects trace metal elements by plasma ionization followed by mass spectrometric quantification. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Analyzes low-boiling contaminants volatilized from sample matrix into headspace before GC separation. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Evaluates yellowness intensity by matching to platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Density | Oscillating U-tube Densitometry | Determines density from resonant frequency shift of a vibrating U-shaped glass tube filled with sample. |
| Refractive Index | Refractometry | Measures bending of light through liquid sample at specified temperature to infer purity and composition. |
| Sulfate Content | Barium Sulfate Gravimetric Method | Precipitates sulfate as BaSO4 under controlled pH and temperature, then weighs dried precipitate. |
| Residual Solvents (e.g., hexane, toluene) | Gas Chromatography with FID | Identifies and quantifies residual organic solvents by retention time and calibration curve using internal standard. |
Technical Specifications of Bis(trimethylsilyl)sulfate
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic, non-irritating |
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 Bis(trimethylsilyl)sulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Bis(trimethylsilyl)sulfate
Packaging of Bis(trimethylsilyl)sulfate
Industrial Bis(trimethylsilyl)sulfate 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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