Tetrabutylammonium hydroxide
- CAS Number
- 2052-49-5
- HSN Code
- 38229090
- Molecular Formula
- C16H37NO
- Catalogue Number
- AL1497K
- Purity
- 0.1N
- Molecular Weight
- 259.47 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Tetrabutylammonium hydroxide 0.1N in methanol/toluene is a specialized standardized solution primarily utilized in non-aqueous acid-base titrations. This compound is a quaternary ammonium hydroxide, notable for its ability to act as a strong base in non-aqueous environments. It is particularly useful in analytical chemistry for titrations where traditional aqueous methods are not applicable. The solution is prepared in a mixture of methanol and toluene, which enhances its solubility and stability, making it an essential reagent in various chemical analyses.
Also known as TBAH, Tetrabutylammonium hydroxide solution.
- Catalogue No.
- AL1497K
- CAS Number
- 2052-49-5
- Molecular Formula
- C16H37NO
- Molecular Weight
- 259.47 g/mol
- HSN Code
- 38229090
- Grade
- 0.1N in methanol/toluene
- Product Form
- Mixture
Tetrabutylammonium hydroxide 0.1N in methanol/toluene appears as a clear, colorless liquid. It has a density of approximately 0.853 g/mL, which is typical for organic solvents. The solution is flammable due to the presence of methanol and toluene, and it should be handled with care. The boiling point of the solution is not explicitly stated, but methanol has a boiling point of 64.7 °C and toluene has a boiling point of 110.6 °C, indicating that the solution will have a boiling point within this range. It is soluble in organic solvents, making it suitable for various applications in organic chemistry.
- Appearance
- Clear, colorless liquid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry place away from heat sources and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Tetrabutylammonium hydroxide
- Catalogue No.
- AL1497K
- Product form
- Mixture
- CAS Number
- 2052-49-5
- EC Number
- 218-164-2
- Grade
- 0.1N in methanol/toluene
- 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 base titrant in non-aqueous titrations
- 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 thoroughly with soap and water. Seek medical attention if irritation develops.
- 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.
- 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; use appropriate fire extinguishing media.
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. 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.
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 appropriate personal protective equipment (PPE).
- 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
- Odour
- Characteristic odor of methanol and toluene
- Odour threshold
- Not specified
- pH value
- Not specified
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- Not specified
- Freezing point
- Not specified
- Boiling point
- Not specified
- Flash point
- 11 °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
- 0.853 g/mL
- Solubility
- Soluble in organic solvents
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not specified
- Oxidising properties
- Not specified
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid contact with strong acids and oxidizing agents.
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
- May be harmful if swallowed or inhaled; causes skin and eye irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- 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.
- Proper Shipping Name (IMDG)
- Corrosive liquid, basic, organic, n.o.s.
- Proper Shipping Name (IATA)
- Corrosive liquid, basic, organic, n.o.s.
- Proper Shipping Name (ADN)
- Corrosive liquid, basic, organic, n.o.s.
- Proper Shipping Name (RID)
- Corrosive liquid, basic, organic, n.o.s.
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 0.1N in methanol/toluene is primarily used as a standardized base titrant in non-aqueous acid-base titrations, which are essential in determining the acidity or basicity of various compounds in organic chemistry. It is widely utilized in research laboratories for the analysis of weak acids and bases that do not dissolve well in water. Additionally, this reagent finds applications in the synthesis of organic compounds and in the preparation of other chemical derivatives. Its use extends to industries involved in pharmaceuticals, agrochemicals, and materials science, where precise pH control is necessary.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1497K
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 259.47 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 0.1N | 0.1N |
| Density | 0.853 g/mL | 0.853 g/mL |
| Appearance | Clear, colorless liquid | Clear, colorless liquid |
| pH | Not applicable | Not applicable |
The above product is expected to comply with 0.1N in methanol/toluene grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 0.1N in methanol/toluene | 0.1N | Not specified | Not specified | Not specified | Not specified | Soluble in organic solvents |
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