Tetramethylammonium hydroxide solution
Synonyms: Tetramethylammonium hydroxide, TMAH
SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name
Tetramethylammonium hydroxide solution
Product Form
Mixture
Catalogue No.
AL2572H
CAS Number
-
EC Number
200-898-2
EC Index Number
-
Grade
25% solution in methanol
HSN Code
38229090
Molecular Formula
(CH3)4N(OH)
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name
Tetramethylammonium hydroxide solution
Catalogue No.
AL2572H
Product form
Mixture
CAS Number
Not applicable
EC Number
200-898-2
Grade
25% solution in methanol
EC Index Number
Not applicable
Chemical Formula
(CH3)4N(OH)
HSN Code
38229090
Synonyms
Tetramethylammonium hydroxide, TMAH
Chemical Structure
-
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture
Used as a strong base catalyst in organic synthesis
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
SECTION 2: Hazards identification
2.3 Other hazards
Other hazards
Corrosive to metals; may cause severe skin burns and eye damage.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name
Tetramethylammonium hydroxide solution
CAS No.
Not applicable
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation
Remove to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
First-aid measures after skin contact
Wash with plenty of soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
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 immediately.
First-aid measures after ingestion
Do not induce vomiting. Rinse mouth. Seek medical attention immediately.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use
Burning sensation, coughing, shortness of breath, redness, and pain in affected areas.
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.
SECTION 5: Fire-fighting measures
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 liquid; 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.
SECTION 6: Accidental release measures
6.1.1 For non-emergency personnel
Emergency procedures
Evacuate area. 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 and absorb with inert material.
6.4 Reference to other sections
Reference
Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling
Use in a fume hood with appropriate PPE including gloves, goggles, and lab coat.
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, well-ventilated area away from incompatible materials.
SECTION 8: Exposure controls/personal protection
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.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state
Liquid
Colour
Colorless
Odour
Characteristic methanol odor
Odour threshold
Not applicable
pH value
>13 (highly alkaline)
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
Not applicable
Freezing point
Not applicable
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
Not applicable
Relative vapour density at 20°C
Not applicable
Density
0.79 g/cm³
Solubility
Soluble in water and methanol
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not applicable
Oxidising properties
Not applicable
Explosive limits
Not applicable
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity
Reacts violently 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
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity
Toxic if swallowed, inhaled, or absorbed through skin.
Skin corrosion/irritation
Causes severe skin burns.
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)
May cause respiratory irritation.
Specific target organ toxicity (repeated exposure)
Not classified
SECTION 12: Ecological information
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
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info
Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
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
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations
Not specified
SECTION 16: Other Information
Disclaimer
The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.