Tetrabutylammonium hydroxide
- CAS Number
- 2052-49-5
- HSN Code
- 38229090
- Molecular Formula
- C16H37NO
- Catalogue Number
- AL1497G
- Purity
- 10% Tetrabutylammonium hydroxide
- Molecular Weight
- 259.48 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Tetrabutylammonium hydroxide 10% solution in methanol is a specialized preparation utilized primarily in titration and synthesis applications within organic chemistry. This compound is notable for its strong basicity, making it an effective reagent in various chemical reactions. The solution is composed of tetrabutylammonium hydroxide, a quaternary ammonium compound, dissolved in methanol, which serves as a solvent. Its unique properties allow for enhanced solubility of certain organic compounds, facilitating reactions that may not occur in aqueous environments.
Also known as TBAH, Tetrabutylammonium hydroxide solution.
- Catalogue No.
- AL1497G
- CAS Number
- 2052-49-5
- Molecular Formula
- C16H37NO
- Molecular Weight
- 259.48 g/mol
- HSN Code
- 38229090
- Grade
- 10% solution in methanol
- Product Form
- Mixture
The product appears as a clear, colorless to pale yellow liquid, indicative of its purity and concentration. It has a density of approximately 0.79 g/cm³, which is typical for methanol-based solutions. The boiling point of the solution is around 64.7 °C (methanol), while the melting point is not applicable as it is a liquid solution. Tetrabutylammonium hydroxide is highly soluble in methanol, and the solution exhibits a pH value greater than 13, reflecting its strong basic nature. The flash point of methanol is 11.1 °C, highlighting the flammable nature of the solution.
- Appearance
- Clear, colorless to pale yellow liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL glass bottles
- Storage
- Store in a cool, dry place away from light and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Tetrabutylammonium hydroxide
- Catalogue No.
- AL1497G
- Product form
- Mixture
- CAS Number
- 2052-49-5
- EC Number
- 218-164-2
- Grade
- 10% solution in methanol
- EC Index Number
- Not specified
- Chemical Formula
- C16H37NO
- HSN Code
- 38229090
- Synonyms
- TBAH, Tetrabutylammonium hydroxide solution
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a strong base in organic synthesis and titration applications
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause skin and eye irritation.
3.1 — Substance
- Name
- Tetrabutylammonium hydroxide
- CAS No.
- 2052-49-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash skin with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes; potential burns on contact.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Flammable; methanol vapors may form explosive mixtures with air.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment. Contain spill and absorb with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations. Avoid release into the environment.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood. Wear gloves and eye protection. Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in tightly closed containers in a cool, dry place away from incompatible materials.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Characteristic methanol odor
- Odour threshold
- Not specified
- pH value
- >13
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- Not applicable
- Freezing point
- Not applicable
- Boiling point
- 64.7 °C (methanol)
- Flash point
- 11.1 °C (methanol)
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- Not specified
- Relative vapour density at 20°C
- Not specified
- Density
- 0.79 g/cm³
- Solubility
- Soluble in methanol
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; reacts with acids and strong oxidizers.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids, strong oxidizers, and moisture.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Harmful if swallowed or inhaled; may cause respiratory irritation.
- Skin corrosion/irritation
- Causes skin irritation; may cause burns.
- Serious eye damage/irritation
- Causes serious eye irritation; may cause burns.
- Respiratory or skin sensitisation
- Not classified as a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified as a specific target organ toxicant.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 3267
- UN-No. (IMDG)
- UN 3267
- UN-No. (IATA)
- UN 3267
- UN-No. (ADN)
- UN 3267
- UN-No. (RID)
- UN 3267
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Corrosive liquid, basic, organic, n.o.s. (Tetrabutylammonium hydroxide solution)
- Proper Shipping Name (IMDG)
- Corrosive liquid, basic, organic, n.o.s. (Tetrabutylammonium hydroxide solution)
- Proper Shipping Name (IATA)
- Corrosive liquid, basic, organic, n.o.s. (Tetrabutylammonium hydroxide solution)
- Proper Shipping Name (ADN)
- Corrosive liquid, basic, organic, n.o.s. (Tetrabutylammonium hydroxide solution)
- Proper Shipping Name (RID)
- Corrosive liquid, basic, organic, n.o.s. (Tetrabutylammonium hydroxide solution)
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Tetrabutylammonium hydroxide 10% solution is widely used in organic synthesis, particularly in non-aqueous titrations where traditional aqueous bases may not be effective. It serves as a strong base titrant in various analytical chemistry applications, allowing for precise measurements in titrimetric analyses. Additionally, this solution is employed in the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals, where its ability to solubilize reactants in a non-aqueous medium is advantageous. Its use extends to polymer chemistry and catalysis, where it can facilitate reactions that require a strong basic environment.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1497G
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 259.48 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 10% Tetrabutylammonium hydroxide | 10.2% |
| pH | >13 | >13 |
| Moisture content | <1% | 0.5% |
| Residue on ignition | <0.1% | 0.05% |
| Related substances | None detected | None detected |
The above product is expected to comply with 10% solution in methanol grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 10% solution in methanol | 10% Tetrabutylammonium hydroxide | Not applicable | <1% | <0.1% | None detected | Completely soluble in methanol |
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