Butyl Glycol
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Butyl Glycol, also known as 2-Butoxyethanol, is a colorless to pale yellow liquid with a mild, sweet ether-like odor. It is an organic solvent classified as a glycol ether, with the molecular formula C6H14O2. Butyl Glycol is highly miscible with water, alcohols, and many organic solvents. It is widely used in industrial and commercial applications due to its excellent solvent properties, low volatility, and moderate toxicity. Its high solvency and compatibility with both aqueous and organic phases make it valuable in coatings, cleaning products, inks, and adhesives.
Description
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Butyl Glycol
Primary UsesÂ
- Industrial Solvent
- Used as a solvent and coupling agent in paints, coatings, varnishes, and stains to improve flow and leveling.
- Acts as a solvent in printing inks, especially flexographic and gravure inks.
- Cleaning Products
- Commonly found in industrial and household cleaners such as degreasers, glass cleaners, and surface cleaners due to its ability to dissolve oils and greases effectively.
- Chemical Intermediate
- Utilized in the manufacture of glycol ether derivatives and surfactants.
- Adhesives and Sealants
- Employed as a solvent in adhesive formulations for better spreadability and drying performance.
Secondary UsesÂ
- Textile Industry
- Used in textile processing and dyeing as a wetting agent and solvent.
- Agricultural Formulations
- Serves as a solvent and carrier in pesticide and herbicide formulations.
- Personal Care Products
- Occasionally used in cosmetics and personal care items as a solvent and viscosity modifier.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): 2-Butoxyethanol
- Common/Trade Names: Butyl Glycol, Ethylene Glycol Monobutyl Ether, Butoxyethanol
- CAS Number: 111-76-2
- HS Code: 2909.49.00
- Molecular Formula: C6H14O2
- Molecular Weight: 118.18 g/mol
- Synonyms:
- 2-Butoxyethanol
- Ethylene glycol monobutyl ether
- Butyl cellosolve
- Monobutyl ether of ethylene glycol
- EGBE
2. Physical & Chemical Properties
- Physical State: Clear, colorless to pale yellow liquid
- Odor: Mild, ether-like odor
- Boiling Point: 171 °C
- Melting Point: -74 °C
- Density: 0.9 g/cm³ at 20 °C
- Flash Point: 63 °C (closed cup)
- Solubility: Miscible with water, alcohols, and many organic solvents
- Vapor Pressure: 0.4 kPa at 20 °C
- Refractive Index: 1.427–1.429
3. Safety & Hazard Attributes
- Hazard Class (GHS): Flammable Liquid, Category 4; Skin Irritant, Category 2; Eye Irritant, Category 2A
- NFPA Ratings:
- Health: 2
- Flammability: 2
- Reactivity: 0
- Exposure Limits:
- OSHA PEL: 50 ppm (TWA)
- ACGIH TLV: 20 ppm (TWA)
- Toxicity: Moderate toxicity; may cause skin and eye irritation; potential for hemolysis at high exposure levels
- Reactivity: Stable under normal conditions; avoid strong oxidizing agents
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, well-ventilated area away from heat, sparks, and open flames
- Container Type: Tightly sealed metal or plastic containers resistant to solvents
- Shelf Life: Typically 2–3 years under proper storage
- Special Handling: Use grounding and bonding during transfer; avoid inhalation of vapors and skin contact
5. Regulatory & Compliance Attributes
- Regulatory Status: Listed under REACH, TSCA, and other major inventories
- Transportation: Classified as a combustible liquid under DOT, IMDG, and IATA
- Waste Disposal: Follow local, state, and federal regulations for disposal of chemical solvents
6. Environmental & Health Impact
- Ecotoxicity: Harmful to aquatic organisms; avoid release into the environment
- Persistence: Readily biodegradable under aerobic conditions
- Bioaccumulation: Low potential for bioaccumulation
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
SAFETY HANDLING PRECAUTIONS
 Safety Handling Precautions
Personal Protective Equipment (PPE):
- Chemical-resistant gloves
- Safety goggles or face shield
- Protective clothing
- Respiratory protection if ventilation is insufficient
Handling Measures:
- Avoid inhalation of vapors and prolonged skin contact
- Use in well-ventilated areas
- Prevent static electricity buildup by grounding and bonding containers
Storage Measures:
- Keep containers tightly closed
- Store away from heat, sparks, and incompatible substances
Hygiene Practices:
- Wash hands thoroughly after handling
- Avoid eating, drinking, or smoking in work areas
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing difficulties persist
- Skin Contact: Wash skin thoroughly with soap and water; seek medical attention if irritation develops
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek medical advice if irritation continues
- Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention
Firefighting Measures
- Fire Hazards: Combustible liquid; vapors may form explosive mixtures with air
- Extinguishing Media: Use foam, dry chemical, COâ‚‚, or water spray
- Special Precautions: Firefighters should wear full protective clothing and self-contained breathing apparatus (SCBA)
- Decomposition Products: Carbon monoxide, carbon dioxide, and other toxic fumes may be produced during combustion
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