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Mono Ethanol Amine
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Mono Ethanol Amine (MEA) is a clear, colorless, hygroscopic liquid with an ammonia-like odor. It is an organic chemical compound combining both amine and alcohol functional groups. MEA is widely used as a versatile chemical intermediate and is especially important in gas treatment, detergents, and chemical manufacturing due to its alkalinity and solubility in water and organic solvents.
Description
Primary Uses
- Gas Treatment and Scrubbing
- Used extensively for removing acidic gases such as COâ‚‚ and Hâ‚‚S from natural gas and refinery gas streams (amine gas sweetening).
- Utilized in gas purification to prevent corrosion and improve fuel quality.
- Detergents and Surfactants
- Acts as a raw material in the production of soaps, detergents, and surfactants.
- Enhances foaming and cleaning properties in household and industrial cleaning agents.
- Chemical Intermediate
- Key intermediate for manufacturing emulsifiers, corrosion inhibitors, textile chemicals, and pharmaceuticals.
- Used to produce MEA-based solvents and additives.
Secondary Uses
- Personal Care Products
- Used in shampoos and skin care formulations as a pH adjuster and emulsifier.
- Agriculture
- Incorporated in herbicides and pesticides formulations as a stabilizer or surfactant.
- Water Treatment
- Applied in boiler water treatment to neutralize acidic impurities and control pH.
- COâ‚‚ Capture in Carbon Capture Technologies
- Used in industrial carbon capture processes to reduce greenhouse gas emissions.
KEY PRODUCT FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): 2-Aminoethanol
- Common/Trade Name: Mono Ethanol Amine, MEA
- CAS Number: 141-43-5
- HS Code: 2922.49.90
- Synonyms: Ethanolamine; 2-Hydroxyethylamine
Physical & Chemical Properties
- Physical State: Clear, colorless liquid
- Color & Odor: Colorless; ammonia-like odor
- Boiling Point: 170.8°C
- Melting Point: 10.5°C
- Density: 1.01 g/cm³
- Solubility: Miscible with water, alcohols, and many organic solvents
- pH (1% solution): Approx. 11.5 – 12.5 (alkaline)
Safety & Hazard Attributes
- GHS Classification: Corrosive (Skin corrosion category 1B), Serious eye damage (Category 1)
- Toxicity: Harmful if swallowed or inhaled; causes severe skin burns and eye damage
- Exposure Limits: OSHA PEL – 3 ppm (8-hour TWA)
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from acids and oxidizers
- Container Type: Supplied in HDPE drums, steel drums, or tanks
- Shelf Life: Typically 12 months if stored properly
- Handling Precautions: Use protective gloves, goggles, and respiratory protection; avoid inhalation and skin contact
Regulatory & Compliance Attributes
- Complies with REACH, OSHA, and EPA regulations
- Listed on TSCA inventory for chemical substances
Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Toxic to aquatic life in high concentrations; avoid environmental release
- Bioaccumulation: Low potential
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Chemical-resistant gloves, safety goggles, protective clothing, and respirator recommended
- Handling Guidelines: Use in well-ventilated areas; avoid skin and eye contact
- Storage Measures: Keep containers tightly closed; store separately from acids and oxidizers
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulties occur
- Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; seek medical care for burns
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek urgent medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention
Firefighting Measures
- Fire Hazards: Combustible liquid; may release toxic fumes on burning
- Extinguishing Media: Use water spray, foam, dry chemical, or COâ‚‚
- Special Precautions: Use self-contained breathing apparatus and full protective gear
- Hazardous Combustion Products: Carbon oxides, nitrogen oxides, ammonia
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