Tetramethylammonium hydroxide
- CAS Number
- -
- HSN Code
- 38229090
- Molecular Formula
- (CH3)4N(OH)
- Catalogue Number
- AL2572D
- Purity
- 0.1N
- Molecular Weight
- 91.15 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Tetramethylammonium hydroxide 0.1N solution in methanol is a standardized preparation primarily used for non-aqueous titration applications. This solution contains tetramethylammonium hydroxide, a quaternary ammonium compound known for its strong basic properties. The product is notable for its high purity and consistent concentration, making it ideal for precise analytical work. It is commonly utilized in laboratories for titrations where traditional aqueous methods are not suitable, providing reliable results in various chemical analyses.
Also known as Tetramethylammonium hydroxide solution.
- Catalogue No.
- AL2572D
- CAS Number
- -
- Molecular Formula
- (CH3)4N(OH)
- Molecular Weight
- 91.15 g/mol
- HSN Code
- 38229090
- Grade
- 0.1N solution in methanol
- Product Form
- Mixture
The product appears as a clear, colorless liquid, indicative of its high purity. It has a density of approximately 0.79 g/cm³ at 20°C, which is typical for methanol-based solutions. The boiling point of the solution is around 64.7°C, while the freezing point is approximately -97.6°C, reflecting the properties of methanol. Tetramethylammonium hydroxide is highly soluble in methanol, allowing for effective use in titration applications. The solution is also flammable, with a flash point of 11°C, necessitating careful handling and storage.
- Appearance
- Clear, colorless liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL glass bottles
- Storage
- Store in a cool, dry place away from heat sources and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Tetramethylammonium hydroxide
- Catalogue No.
- AL2572D
- Product form
- Mixture
- CAS Number
- Not applicable
- EC Number
- 200-898-2
- Grade
- 0.1N solution in methanol
- EC Index Number
- 611-002-00-0
- Chemical Formula
- (CH3)4N(OH)
- HSN Code
- 38229090
- Synonyms
- Tetramethylammonium 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 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
- Flammable liquid and vapor; may cause skin and eye irritation.
3.1 — Substance
- Name
- Tetramethylammonium hydroxide
- CAS No.
- Not applicable
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 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 and 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
- May cause irritation to skin, eyes, and respiratory tract; symptoms may include redness, itching, and burning sensation.
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; may produce 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
- 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 personal protective equipment (PPE) such as gloves and goggles. Handle in a fume hood.
- 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, away from heat and 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 methanol odor
- Odour threshold
- Not applicable
- pH value
- Alkaline
- Relative evaporation rate (butylacetate=1)
- >1
- Melting point
- Not applicable
- Freezing point
- -97.6°C
- Boiling point
- 64.7°C
- Flash point
- 11°C
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- 96 mmHg at 20°C
- Relative vapour density at 20°C
- 1.11
- Density
- 0.79 g/cm³
- Solubility
- Completely soluble in methanol
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- 0.59 mPa·s at 20°C
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Lower: 5.5% vol, Upper: 36% vol
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; reacts with strong acids.
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
- Toxic if swallowed or inhaled; may cause respiratory irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- 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)
- Tetramethylammonium hydroxide solution
- Proper Shipping Name (IMDG)
- Tetramethylammonium hydroxide solution
- Proper Shipping Name (IATA)
- Tetramethylammonium hydroxide solution
- Proper Shipping Name (ADN)
- Tetramethylammonium hydroxide solution
- Proper Shipping Name (RID)
- Tetramethylammonium 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
Tetramethylammonium hydroxide 0.1N solution in methanol is primarily used as a standardized base titrant in non-aqueous acid-base titration research. It is particularly useful in the analysis of weak acids and bases that do not dissolve well in water. This solution finds applications in various fields, including pharmaceuticals, chemical manufacturing, and environmental testing, where precise pH control and accurate titration are essential. Additionally, it is employed in the synthesis of other chemical compounds and in studies involving ionic liquids and surfactants.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2572D
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 91.15 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 0.1N | 0.1N |
| pH | Alkaline | 10.5 |
| Density | 0.79 g/cm³ | 0.79 g/cm³ |
| Appearance | Clear, colorless liquid | Clear, colorless liquid |
| Moisture content | <0.5% | 0.3% |
| Residue on ignition | <0.1% | 0.05% |
| Related substances | None detected | None detected |
The above product is expected to comply with 0.1N solution in methanol grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 0.1N solution in methanol | 0.1N | Not applicable | <0.5% | <0.1% | None detected | Completely soluble in methanol |
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