Triethyl Borate (TEB) for Organic Synthesis and Catalysis
High-purity boron ester for advanced chemical applications.
Nagase supplies triethyl borate (TEB) used in organic synthesis, cross-coupling reactions, and specialty solvent systems where boron precision is essential.
High-Purity Boron Source for BPSG and Specialty Chemical Applications
Triethyl borate (TEB) is a high-purity boron ester used as a reagent and solvent in advanced organic synthesis and boron-based coupling reactions. Its favorable volatility, low viscosity, and clean decomposition make it ideal for precision chemistry, particularly in the production of pharmaceuticals, agrochemicals, and specialty materials.
Nagase supplies triethyl borate (TEB) in high-purity grades, supporting custom boron chemistry and demanding synthesis environments with reliable quality and application expertise.
Chemical Formula: B(OC2H5)3
Molecular Weight: 145.99
Physical & Chemical Properties
A clear and colorless liquid with mild odor and remarkable thermal stability.
Density: 0.86 Kg/L
Melting Point: -84.8°C
Boiling Point: 118°C
It has good hygroscopicity and can be decomposed into Ethanol and Boric Acid in water. Flammable.
Applications
Triethyl borate (TEB) is primarily used in advanced wafer fabrication and boron-based thin-film processes.
- Boro-phospho-silicate glass (BPSG) deposition in semiconductor manufacturing
- Wafer-level processing in integrated circuit (IC) and discrete device production
- MEMS fabrication requiring precise boron doping and thin-film formation
- Electronic-grade boron chemistry for high-purity material synthesis
Features
Triethyl borate (TEB) combines high boron purity with excellent processing behavior for semiconductor and chemical synthesis applications.
- High boron purity for deposition and doping processes in electronics manufacturing
- Clean decomposition and low residue profile in thin-film applications
- High volatility and thermal stability for precise vapor-phase processing
- Compatible with BPSG deposition and boron-based precursor systems
- Available in electronic-grade quality with controlled moisture and impurity levels
Product Specification
| Product | 8.5N | ||
|---|---|---|---|
| Purity (based on metals analyzed), min | 99.9999995 % | ||
| （Al）max | 0.2 ppb | （Ni）max | 0.2 ppb |
| （Ag）max | 0.05 ppb | （Pb）max | 0.1 ppb |
| （As）max | 0.1 ppb | （Pd）max | 0.05 ppb |
| （Au）max | 0.05 ppb | （Pt）max | 0.05 ppb |
| （Ba）max | 0.1 ppb | （Rb）max | 0.05 ppb |
| （Be）max | 0.05 ppb | （Re）max | 0.05 ppb |
| （Bi）max | 0.05 ppb | （Rh）max | 0.05 ppb |
| （Ca）max | 0.8 ppb | （Sb）max | 0.05 ppb |
| （Cd）max | 0.05 ppb | （Sn）max | 0.05 ppb |
| （Ce）max | 0.05 ppb | （Sr）max | 0.05 ppb |
| （Co）max | 0.05 ppb | （Ta）max | 0.05 ppb |
| （Cu）max | 0.1 ppb | （Th）max | 0.05 ppb |
| （Cr）max | 0.1 ppb | （Ti）max | 0.05 ppb |
| （Fe）max | 0.3 ppb | （Tl）max | 0.05 ppb |
| （Ga）max | 0.05 ppb | （U ）max | 0.05 ppb |
| （Ge）max | 0.05 ppb | （V ）max | 0.05 ppb |
| （Hf）max | 0.05 ppb | （W ）max | 0.05 ppb |
| （Hg）max | 0.1 ppb | （Zn）max | 0.05 ppb |
| （In）max | 0.05 ppb | （Zr）max | 0.05 ppb |
| （Ir）max | 0.05 ppb | Cl- max | 50ppb |
| （ K）max | 0.2 ppb | Water max | 20ppm |
| （Li）max | 0.05 ppb | Particle ≥0.2 µm max | 10 p/ml |
| （Mg）max | 0.2 ppb | Particle ≥0.3 µm max | 7 p/ml |
| （Mn）max | 0.1 ppb | Particle ≥ 0.5µm max | 5 p/ml |
| （Mo）max | 0.05 ppb | Particle ≥ 1.0µm max | 1 p/ml |
| （Na）max | 0.5 ppb | Assay min | 99.99% |
| （Nb）max | 0.05 ppb | Chroma max | 5APHA |
Packaging Size
Container: Stainless Steel Cylinder
Packaging: Stainless Steel Cabinet
Fill Volume: 2 gallons,5 gallons (19 L),10 gallons.
