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Material Safety Data Sheet for Diethylene Glycol Butyl Ether

Identification

Product Name: Diethylene Glycol Butyl Ether
CAS Number: 112-34-5
Synonyms: Butoxytriethylene glycol, DEGEE, Butyl Carbitol
Common Uses: Solvent for paints, coatings, cleaners, inks, textiles
Supplier: Typically listed by the manufacturer; contact information to be added as per facility records
Emergency Contact: Refer to local poison control or emergency response

Hazard Identification

Hazard Classification: Eye irritant (Category 2A, GHS)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation
Pictograms: Exclamation mark (irritant)
Precautionary Statements: Wear eye protection, wash hands thoroughly after handling, avoid contact with eyes and skin, use only with adequate ventilation
Other Hazards: May cause mild skin and respiratory irritation

Composition / Information on Ingredients

Chemical Name: Diethylene Glycol Butyl Ether
CAS Number: 112-34-5
Concentration: Typically 100% unless part of a formulated product
Impurities: Minor glycol ethers or traces of water, rarely of toxicological significance

First Aid Measures

Inhalation: Move to fresh air, support breathing if needed, consult physician for persistent symptoms
Skin Contact: Wash with soap and warm water, remove contaminated clothing, seek medical attention for irritation
Eye Contact: Rinse with plenty of water for at least 15 minutes, remove contact lenses if present, seek medical advice
Ingestion: Rinse mouth, do not induce vomiting, drink water if conscious, get immediate medical help
Notes for Doctor: Symptomatic treatment, no specific antidote known

Fire-Fighting Measures

Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical powder, carbon dioxide, water spray
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, possible traces of harmful aldehydes
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Special Measures: Cool exposed containers with water spray, avoid run-off into drains and sewers
Fire Hazards: Liquid may burn but not readily ignitable. Vapors may form explosive mixtures with air at higher temperatures

Accidental Release Measures

Personal Precautions: Wear gloves, goggles, and protective clothing
Spill Cleanup: Contain liquid with inert absorbent (sand, earth), scoop into labeled waste containers
Environmental Precautions: Prevent entry into sewers and waterways, alert authorities if significant release occurs
Ventilation: Use in well-ventilated spaces, or evacuate area if vapor concentrations become excessive
Decontamination: Wash spill area with water and detergent after cleanup

Handling and Storage

Handling: Minimize contact with skin and eyes, avoid inhaling vapors, keep containers closed when not in use
Hygiene: Wash hands and face after handling, change contaminated clothing
Storage: Store in cool, dry, well-ventilated place away from strong oxidizers and acids
Incompatible Materials: Store away from strong oxidizing agents, strong acids
Container Requirements: Use only containers designed for chemical storage; label properly

Exposure Controls and Personal Protection

Occupational Exposure Limits: ACGIH TLV: 10 ppm (inhalable fraction and vapor)
Engineering Controls: General ventilation, local exhaust at points of emission
Personal Protection: Chemical-resistant gloves, eye protection (goggles or face shield), respiratory protection if vapor/mist exposure exceeds limits
Environmental Protection: Use containment and procedures to avoid environmental release
Workplace Monitoring: Periodic air monitoring in high-use areas

Physical and Chemical Properties

Appearance: Clear, colorless to pale yellow liquid
Odor: Mild, characteristic odor
Boiling Point: 230°C (446°F)
Melting Point: -68°C (-90°F)
Vapor Pressure: 0.06 mmHg at 20°C
Solubility in Water: Miscible
Relative Density: About 0.95 at 20°C
Flash Point: 102°C (216°F), closed cup
Viscosity: Approx 5 cP at 25°C
pH: Not applicable for pure product

Stability and Reactivity

Chemical Stability: Stable under normal conditions
Incompatibilities: Strong acids, oxidizers, moisture may contribute to slow degradation
Hazardous Reactions: Can react with oxidizing materials to produce heat, possibly hazardous gases
Decomposition: Elevated temperatures lead to breakdown, producing carbon monoxide and other gases
Polymerization: Not expected to occur

Toxicological Information

Routes of Exposure: Skin, eyes, inhalation, ingestion
Acute Effects: Eye irritation, mild skin irritation, headache, nausea if inhaled in large quantities
Chronic Effects: No clear evidence supporting long-term toxicity in humans with ordinary workplace exposures
LD50 (oral, rat): 5660 mg/kg
LD50 (dermal, rabbit): More than 2000 mg/kg
Carcinogenicity: Not listed by IARC, NTP, OSHA
Sensitization: Not commonly known to cause skin sensitization

Ecological Information

Environmental Persistence: Breaks down in presence of sunlight and microbial action
Bioaccumulation: Low potential for bioaccumulation
Acute Aquatic Toxicity: Moderately toxic to aquatic organisms (EC50 2850 mg/L, daphnia, 48hr)
Chronic Aquatic Effects: Long-term effects unknown at low concentrations
Mobility: Moves easily with ground water due to complete miscibility in water
Disposal in Large Quantities: Can affect aquatic systems; regulate as per local guidelines

Disposal Considerations

Recommended Disposal Methods: Send to licensed chemical disposal facility; never pour down drains
Container Disposal: Triple rinse before disposal, follow local or national regulations for hazardous waste
Special Instructions: Prevent leaks, never dispose with household garbage
Recycling: Possible at specialized facilities only

Transport Information

UN Number: Not regulated for transport by DOT, IMDG, IATA
Transport Class: Not classified as dangerous goods under transport regulations
Packing Group: None required
Labeling: No special hazard labeling needed for ground, air, or sea shipment
Transport Precautions: Secure containers against tipping, prevent leaks in transit

Regulatory Information

OSHA: Listed under the Hazard Communication Standard for workplace chemical safety
TSCA: Listed, no special restrictions
Canada WHMIS: Classified as eye irritant
EU Regulation (REACH): Registered, safety information available from supplier
Other Listings: No restrictions under SARA, CERCLA, or California Proposition 65
Community Right-to-Know: May require reporting depending on quantities and state/country regulations