Molekula
Tetrabutylammonium hydroxide 25% solution in water
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tetrabutylammonium hydroxide is a quaternary ammonium compound used as a strong organic base in phase-transfer catalysis, organic synthesis, and analytical chemistry. This 25% aqueous solution (CAS 2052-49-5) has the molecular formula (CH₃CH₂CH₂CH₂)₄N(OH) with a molecular weight of 259.47 g/mol. Store at ambient conditions; handle with caution as it carries a **Danger** signal word. Molekula supplies Tetrabutylammonium hydroxide 25% solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
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Pricing & pack sizes
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25 g — £20.20 per pack ex VAT · £24.24 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to pale yellow liquid |
| Assay | ≥25% |
| Na+K | ≤10ppm |
| Bromine (Br) | ≤100ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90033243 |
| CAS Number | 2052-49-5 |
| IUPAC Name | tetrabutylazanium hydroxide |
| EC Number | 218-147-6 |
| Molecular Formula | (CH3CH2CH2CH2)4N(OH) |
| Molecular Weight | 259.47 |
| Exact Mass | 259.2875 |
| SMILES | CCCC[N+](CCCC)(CCCC)CCCC.[OH-] |
| InChIKey | VDZOOKBUILJEDG-UHFFFAOYSA-M |
| InChI | InChI=1S/C16H36N.H2O/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H2/q+1;/p-1 |
| PubChem CID | 2723671 |
| UN Number | UN3267 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2923.90.0100 |
| Tariff Code | 2923900090 |
Safety & GHS
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Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1-Butanaminium, N,N,N-tributyl-, hydroxide
- 1-Butanaminium, N,N,N-tributyl-, hydroxide (1:1)
- Ammonium, tetrabutyl-, hydroxide
- N,N,N-Tributyl-1-butanaminium hydroxide
- TBAH
- Tetra-n-butylammonium hydroxide
- Tetrabutylammonium Hydroxide (1.0M in Methanol)
- Tetrabutylammonium hydroxide; Tetra-n-butylammonium hydroxide
- tetrabutylammonium oxide
- tetrabutylazanium;hydroxide
Frequently asked questions
What is Tetrabutylammonium hydroxide 25% solution in water used for?
This solution is commonly used as a phase-transfer catalyst in organic synthesis, as a strong base in saponification reactions, and in analytical chemistry for ion-pair extraction.
What is the chemical formula and molecular weight of Tetrabutylammonium hydroxide 25% solution in water?
The formula is **(CH₃CH₂CH₂CH₂)₄N(OH)**, and the molecular weight of the anhydrous compound is **259.47 g/mol** (the solution's effective MW varies due to water content).
What safety classification and signal word does Tetrabutylammonium hydroxide 25% solution in water have?
It carries the **signal word 'Danger'** due to its corrosive and hazardous properties.
How should Tetrabutylammonium hydroxide 25% solution in water be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture, oxidizing agents, and incompatible materials.
Does Molekula supply Tetrabutylammonium hydroxide 25% solution in water in bulk quantities?
Yes, Molekula can supply this product in **bulk quantities** upon request, depending on availability and order size.
What documentation comes with an order of Tetrabutylammonium hydroxide 25% solution in water?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **product specification sheet** for reference.
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