Tetrabutylammonium hydroxide
- CAS Number
- 2052-49-5
- HSN Code
- 38229090
- Molecular Formula
- C16H37NO
- Catalogue Number
- AL1497D
- Purity
- 10%
- 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% aqueous solution is a strong quaternary ammonium base that plays a crucial role in organic synthesis and ion-pair chromatography. This compound is notable for its ability to facilitate phase transfer reactions, making it an essential reagent in various chemical processes. Its aqueous solution form allows for easy handling and application in laboratory settings. The compound is characterized by its high purity and effectiveness as a catalyst, which is vital for achieving desired reaction outcomes in synthetic organic chemistry.
Also known as TBAH, Tetrabutylammonium hydroxide solution.
- Catalogue No.
- AL1497D
- CAS Number
- 2052-49-5
- Molecular Formula
- C16H37NO
- Molecular Weight
- 259.48 g/mol
- HSN Code
- 38229090
- Grade
- 10% aqueous solution
- Product Form
- Mixture
The product appears as a clear, colorless to pale yellow liquid with a density of 0.995 g/mL. It has a boiling point of approximately 100 °C, and its solubility in water is complete due to its ionic nature. The solution has a pH value greater than 12, indicating its strong basicity. The compound is stable under normal conditions but should be stored away from strong acids and oxidizing agents to prevent any hazardous reactions.
- Appearance
- Clear, colorless to pale yellow liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL and 1 L bottles
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Tetrabutylammonium hydroxide
- Catalogue No.
- AL1497D
- Product form
- Mixture
- CAS Number
- 2052-49-5
- EC Number
- 218-200-0
- Grade
- 10% aqueous solution
- EC Index Number
- N/A
- 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
- Strong base, phase-transfer catalyst
- 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
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 with plenty of 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
- Rinse mouth. Do NOT induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Burning sensation, respiratory distress, skin irritation, eye damage.
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
- Corrosive; may emit toxic fumes in a fire.
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
- Contain spill and absorb with inert material. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate protective equipment. Neutralize with dilute acid before disposal.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Wear protective gloves, eye protection, and face 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 a cool, dry place, in a tightly closed container, 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
- Ammoniacal
- Odour threshold
- Not determined
- pH value
- >12
- Relative evaporation rate (butylacetate=1)
- Not determined
- Melting point
- Not determined
- Freezing point
- Not determined
- Boiling point
- ~100 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not determined
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not determined
- Relative vapour density at 20°C
- Not determined
- Density
- 0.995 g/mL
- Solubility
- Completely soluble in water
- Log Pow
- Not determined
- Viscosity, kinematic
- Not determined
- Viscosity, dynamic
- Not determined
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but reacts 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, metals.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Not classified as acutely toxic, but may cause irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye damage.
- Respiratory or skin sensitisation
- Not a skin 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 10% aqueous solution is widely used in organic synthesis as a strong base and phase-transfer catalyst. It is particularly effective in facilitating reactions that involve the transfer of ions between different phases, such as in ion-pair chromatography, where it aids in the separation of ionic compounds. Additionally, it finds applications in the synthesis of various organic compounds, including pharmaceuticals and agrochemicals, due to its ability to enhance reaction rates and yields.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1497D
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 259.48 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 10% | 10.2% |
| Density | 0.995 g/mL | 0.995 g/mL |
| pH | >12 | >12 |
| Appearance | Clear, colorless to pale yellow | Clear, pale yellow liquid |
The above product is expected to comply with 10% aqueous solution grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 10% aqueous solution | 10% | Not applicable | Not specified | Not specified | Not specified | Complete in water |
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