Tetraethylammonium hydroxide solution
Tetraethylammonium hydroxide solution (CAS: 77-98-5), with the linear formula (C2H5)4N(OH) and a molecular weight of 147.26 g/mol, is a strong organic base supplied by Tech Serve Solutions. This alkaline compound, typically available as a methanol solution (~25% w/w), is a versatile reagent utilised in organic synthesis and as a phase-transfer catalyst. Its properties make it suitable for various laboratory and industrial applications requiring a potent basic catalyst.
- IUPAC
- TEA hydroxide
- Synonyms
- Tetraethylammonium hydroxideTEA hydroxide
Organic Synthesis Reagent
Tetraethylammonium hydroxide serves as a strong base in various organic transformations. It is often employed in reactions such as dehydrohalogenations and as a catalyst in ester hydrolysis and other base-mediated syntheses.
Phase-Transfer Catalysis
As a quaternary ammonium salt, it can function as a phase-transfer catalyst, facilitating reactions between reactants in immiscible phases. This allows for enhanced reaction rates and yields in synthetic procedures.
Electrolyte Component
In certain electrochemical applications, tetraethylammonium hydroxide can be used as a supporting electrolyte due to its ionic nature and stability in solution. It is particularly useful in non-aqueous electrochemistry.
Cleaning and Etching Agent
The strong alkaline nature of tetraethylammonium hydroxide makes it effective for certain cleaning and etching processes in the electronics and semiconductor industries, particularly for removing organic residues.
| Molecular weight | 147.26 |
|---|---|
| Linear formula | (C2H5)4N(OH) |
| Density | 1.01 g/mL at 25 °C |
| Refractive index | n20/D 1.380 |
| Concentration | ~25% in methanol (~1.5 M) |
| Impurities tested | ≤0.1% halides (as chloride) |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3267 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
| Anion traces | sulfate (SO42-): ≤1000 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tetraethylammonium hydroxide solution used for?
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Tetraethylammonium hydroxide solution is primarily used as a strong organic base in chemical synthesis, particularly in organic reactions like dehydrohalogenations, and as a phase-transfer catalyst. It also finds applications as an electrolyte component and in certain cleaning and etching processes.
What is the CAS number and formula for Tetraethylammonium hydroxide solution?
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The CAS number for Tetraethylammonium hydroxide is 77-98-5, and its linear formula is (C2H5)4N(OH).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetraethylammonium hydroxide solution, typically as a ~25% w/w solution in methanol (approximately 1.5 M). This product is suitable for research and general laboratory use. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Tetraethylammonium hydroxide solution be handled?
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Tetraethylammonium hydroxide solution is corrosive and can cause severe skin burns and eye damage (H314). Handle with extreme care using appropriate personal protective equipment, including gloves, goggles, and face shields. Ensure adequate ventilation and use a suitable respirator. In case of contact, rinse immediately with plenty of water and seek medical attention.
Is Tetraethylammonium hydroxide solution shipped or exported globally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and Tetraethylammonium hydroxide solution is available for worldwide shipment.
How can I request a sample or quote for Tetraethylammonium hydroxide solution?
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To request a sample or obtain a quote for Tetraethylammonium hydroxide solution, please contact our sales team through the website or by phone. Specify the quantity and any particular requirements you may have.
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