Tetramethylammonium fluoride tetrahydrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17787-40-5 |
| Product name | Tetramethylammonium fluoride tetrahydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Tetramethylammonium fluoride tetrahydrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tetramethylammonium fluoride tetrahydrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tetramethylammonium fluoride tetrahydrate
| Industry | Application | Process |
|---|---|---|
| Electronics & Semiconductors | Etchant in semiconductor manufacturing | Applied in dry or wet etching processes to remove dielectric materials such as silicon dioxide |
| Electronics & Semiconductors | Tetramethylammonium fluoride (TMAF) developer solution | Used as a component of positive photoresist developer solutions in photolithography |
| Chemical Synthesis | Fluorinating agent or phase-transfer catalyst | Serves as a fluoride ion source in organic synthesis reactions for the preparation of specific fluorides |
| Industrial Cleaning | Precision component cleaner | Removes metal ions or organic residues from glass and wafer surfaces |
Manufacturing Quality Control of Tetramethylammonium fluoride tetrahydrate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (TMAF content) | Acid-base titration with standardized HCl | Quantifies TMAF by back-titration after reaction with excess HCl, based on stoichiometric hydrolysis to trimethylamine and HF. |
| Water content | Karl Fischer titration | Measures water via coulometric or volumetric reaction between water and iodine in pyridine/methanol medium. |
| Fluoride ion (F-) | Ion-selective electrode (ISE) potentiometry | Determines free F- concentration using a fluoride-specific membrane generating potential proportional to log[F-]. |
| Chloride impurity | Potentiometric titration with AgNO3 | Quantifies Cl- by precipitation titration using silver nitrate and a silver indicator electrode. |
| Sulfate impurity | Gravimetric analysis | Precipitates sulfate as BaSO4 under controlled conditions; mass of dried precipitate correlates to sulfate content. |
| Heavy metals (Pb, Cd, Hg, etc.) | ICP-OES | Simultaneously detects trace metal impurities after acid digestion by measuring element-specific atomic emission intensities. |
| Iron (Fe) content | UV-Vis spectrophotometry (1,10-phenanthroline method) | Forms orange-red Fe(II)-phenanthroline complex; absorbance at ~510 nm is proportional to Fe concentration. |
| Ammonium ion (NH4+) | Nesslerization followed by UV-Vis | Converts NH4+ to yellow-brown iodomercurate complex; absorbance measured at ~425 nm. |
| Residue on ignition | Gravimetric analysis | Measures non-volatile inorganic residue after high-temperature ashing at 500-600 C. |
| pH of aqueous solution | Potentiometric pH measurement | Determines hydrogen ion activity in 1% w/v aqueous TMAF solution using calibrated glass electrode. |
| Organic impurities | HPLC-UV | Separates and quantifies residual solvents or organic by-products using reversed-phase chromatography and UV detection. |
| Particle size distribution | Laser diffraction | Measures volume-based particle size distribution in dry or dispersed state via angular scattering pattern analysis. |
Technical Specifications of Tetramethylammonium fluoride tetrahydrate
| Test Item | Specification |
|---|---|
| Appearance | Colorless solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 105-110°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 Tetramethylammonium fluoride tetrahydrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Tetramethylammonium fluoride tetrahydrate
Safety Information of Tetramethylammonium fluoride tetrahydrate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Tetramethylammonium fluoride tetrahydrate
Industrial Tetramethylammonium fluoride tetrahydrate 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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