Chemical Name: Tripropylene glycol n-butyl ether
Synonyms: n-Butoxytripropylene glycol, TPG n-butyl ether
CAS Number: 55934-93-5
Recommended use: Solvent for coatings, inks, and cleaning agents
Supplier contact: Emergency phone lines, physical address, and responsible company representatives available on request from the procurement chain or product labeling
Product description: Colorless liquid with faint ether-like aroma
GHS Classification: Eye Irritant (Category 2A), Skin Irritant (Category 3), Specific Target Organ Toxicity (Single Exposure, Category 3)
Signal Word: Warning
Hazard Statements: May cause eye and skin irritation, possible respiratory discomfort on inhalation, prolonged exposure may impact central nervous system
Pictograms: Exclamation mark
Precautionary Statements: Avoid skin and eye contact, avoid inhalation of vapors, use in well-ventilated area, wear appropriate protective gear, wash hands after use
Chemical Name: Tripropylene glycol n-butyl ether
CAS Number: 55934-93-5
Concentration: 95–100% by weight
Impurities: Trace content of other propylene glycol ethers (less than 1%)
Additives: None identified of toxicological significance for standard industrial formulations
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with water, use soap, seek medical attention if irritation develops
Eye Contact: Flush eyes with water for at least 15 minutes, remove contact lenses, consult a healthcare provider if discomfort persists
Inhalation: Move to fresh air immediately, keep at rest, provide oxygen if needed, seek medical help if symptoms develop
Ingestion: Do NOT induce vomiting, rinse mouth, seek immediate medical attention, provide water to drink if the person is conscious
Most Important Symptoms: Irritation of eyes and mucous membranes, dizziness, headache, possible nausea from inhalation or ingestion
Recommended Immediate Medical Attention: Persistent symptoms after exposure call for prompt medical assessment
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, alcohol-resistant foam
Unsuitable Extinguishing Media: Direct streams of water may spread spilled product
Specific Hazards: May emit toxic fumes under fire conditions, such as carbon monoxide and carbon dioxide
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Special Procedures: Cool exposed containers with water spray, prevent runoff from entering drains, evacuate area as needed
Personal Precautions: Wear protective gloves, goggles, and clothing; use NIOSH-approved respiratory protection in poorly ventilated areas
Environmental Precautions: Prevent entry into sewers, waterways, and soil; notify local authorities in case of significant spill
Cleanup Methods: Contain spilled liquid with non-combustible absorbent material (sand, earth, vermiculite), collect and place in appropriate containers for disposal; ventilate the area thoroughly
Decontamination: Wash site of spill with plenty of water after initial cleanup
Handling Practices: Avoid breathing vapors, avoid contact with skin and eyes, use only outdoors or in well-ventilated areas, do not eat or drink when using this product, wash thoroughly after handling
Storage Conditions: Store in tightly sealed containers made of compatible material, keep in a cool, dry, well-ventilated area, away from heat, sparks, open flames, and oxidizing agents
Incompatible Materials: Strong acids, strong oxidizers, bases
Special Packaging Instructions: Use corrosion-resistant, non-reactive containers with secure fittings
Occupational Exposure Limits: No specific OSHA or ACGIH limits established, but minimize exposure as for other glycol ethers
Engineering Controls: Local exhaust ventilation, general room ventilation
Personal Protective Equipment: Chemical-resistant gloves (nitrile rubber or neoprene), splash goggles, long-sleeved clothing, apron, and NIOSH-approved respirators in situations of inadequate ventilation
Hygiene Measures: Do not smoke, eat, or drink in work areas, wash hands after handling, launder clothing before reuse
Appearance: Clear colorless to pale yellow liquid
Odor: Faint, ether-like
Boiling Point: Approximately 240–260°C
Flash Point: Above 120°C (closed cup)
Vapor Pressure: Very low at 20°C
Solubility: Slightly soluble in water, miscible with many organic solvents
Relative Density: 0.97–0.99 (water=1)
Viscosity: Moderate
Partition Coefficient (n-octanol/water): Approximately 1.5–2.5
pH: Not applicable (neutral liquid)
Auto-ignition Temperature: 350°C or higher
Chemical Stability: Stable under normal storage and handling conditions
Reactivity: No hazardous reactivity expected with common materials
Hazardous Polymerization: Will not occur
Conditions to Avoid: Heat, sparks, open flames, incompatible chemicals (peroxides, strong acids, oxidizers)
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other possible organic compounds in fire situations
Likely Routes of Exposure: Skin and eye contact, inhalation, accidental ingestion
Acute Toxicity: Oral LD50 (rat) > 2000 mg/kg, dermal LD50 (rabbit) > 2000 mg/kg
Skin Corrosion/Irritation: Mildly irritating after repeated or prolonged exposure
Eye Damage/Irritation: Moderate irritation possible
Respiratory Sensitization: Not known to cause asthma-like symptoms
Chronic Effects: Data limited, though repeated, excessive inhalation or dermal absorption can affect liver and nervous system
Carcinogenicity: No known carcinogenic risk according to available information
Mutagenicity: Not expected to be mutagenic
Reproductive Toxicity: No evidence of reproductive harm with current exposure data
Aquatic Toxicity: Moderately toxic to aquatic organisms, LC50 (fish, 96h) ~ 100–1,000 mg/L
Persistence and Degradability: Partially biodegradable in aquatic environments
Bioaccumulative Potential: Low to moderate potential based on partition coefficient
Mobility in Soil: Expected to exhibit moderate mobility
Other Adverse Effects: Large releases may damage aquatic life, spills can affect microbial bioactivity in soil
Waste Disposal Methods: Incinerate or send to licensed hazardous waste facility, follow relevant local, regional, national, and international regulations
Container Disposal: Containers should be drained, triple rinsed, and punctured before disposal, recycle or recondition containers if possible
Special Precautions: Avoid contamination of surface and groundwater through improper disposal; keep all waste and residues in clearly labeled, sealed containers until final disposal
UN Number: Not classified as dangerous for transport in most jurisdictions
Proper Shipping Name: Tripropylene glycol n-butyl ether
Transport Hazard Class: None assigned (non-regulated for ground, sea, air in standard concentrations)
Packing Group: Not applicable
Environmental Hazards: Avoid release to environment during transport, no marine pollutant classification
Special Precautions: Secure containers, avoid damage and leaks during transit, keep away from incompatible substances
OSHA Status: Not regulated as a hazardous chemical under OSHA Hazard Communication Standard
TSCA Inventory: Listed
REACH Registration: Complies with European Union REACH regulations
SARA Title III: Not listed as an Extremely Hazardous Substance or under Sections 311/312/313
Other local, state, federal, or international regulations: Observe all rules regarding workplace exposure, worker training, safe handling, and labeling in each applicable location
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