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Tetra-n-butylammonium hydroxide, 40% w/w aq. soln., Thermo Scientific Chemicals
Description
Tetra-n-butylammonium hydroxide, 40% w/w aq. solution is used as a phase-transfer catalyst in organic synthesis especially for alkylation and condensation reactions. It is used as a curing accelerator for epoxy resins. It is also used in preparation of dichlorocarbene from chloroform.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Tetra-n-butylammonium hydroxide, 40% w/w aq. solution is used as a phase-transfer catalyst in organic synthesis especially for alkylation and condensation reactions. It is used as a curing accelerator for epoxy resins. It is also used in preparation of dichlorocarbene from chloroform.
Solubility
Miscible with organic solvents.
Notes
Air sensitive and hygroscopic. Incompatible with strong acids and corrodes metal.

Specifications
Specifications
Density | 0.99 |
pH | 14.0 |
Flash Point | None |
Odor | Amine-like |
Linear Formula | [CH3(CH2)3]4NOH |
Refractive Index | 1.408 |
Quantity | 250 g |
UN Number | UN3267 |
Beilstein | 3571228 |
Sensitivity | Air Sensitive |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10249380 | Certificate of Analysis | 09/02/2024 | L02809.0B,L02809.30,L02809.18 |
10247486 | Certificate of Analysis | 07/08/2023 | L02809.0B,L02809.30,L02809.18 |
10247487 | Certificate of Analysis | 07/08/2023 | L02809.0B,L02809.30,L02809.18 |
10246330 | Certificate of Analysis | 09/05/2023 | L02809.30 |
10199612 | Certificate of Analysis | 09/01/2023 | L02809.0B,L02809.30,L02809.18 |
Safety and Handling


- Tetra-n-butylammonium hydroxide, 40% w/w aqueous solution
- Danger
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 1
- Skin corrosion/irritation Category 1 B
- H302-Harmful if swallowed.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : N,N,N-tributyl-1-butanaminium, hydroxide
RUO – Research Use Only
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