Product Name: Dipropylene Glycol Butyl Ether
SYNONYMS: DPNB, 1-(2-butoxy-1-methylethoxy)-2-propanol
CAS Number: 29911-28-2
Recommended Uses: Solvent for paints, coatings, cleaners, inks
Supplier Contact: Name, address, phone, emergency contact listed on supplier’s label
Emergency Phone: CHEMTREC 24-hour line included for emergencies
Classification: Eye irritation (Category 2A), Skin irritation (Category 3), Not classed as flammable in usual conditions
Signal Word: Warning
Hazard Statements: Causes serious eye irritation, may cause mild skin irritation
Pictograms: Exclamation mark
Precautionary Statements: Wear protective gloves and safety glasses, avoid breathing mist or vapors, wash hands after use, keep container tightly closed
Other Hazards: Overexposure can lead to headaches, dizziness, nausea
Chemical Name: Dipropylene Glycol Butyl Ether
Synonyms: DPNB
Concentration: Typically > 95%
CAS Number: 29911-28-2
Impurities: No significant impurities expected from standard production
Inhalation: Move to fresh air, keep at rest, seek medical attention if symptoms persist
Eye Contact: Rinse with plenty of water for several minutes, remove contact lenses if present and easy, seek medical attention
Skin Contact: Wash with soap and water, remove contaminated clothing, seek treatment for irritation
Ingestion: Rinse mouth, do not induce vomiting, seek medical help
Most Important Symptoms: Eye and skin irritation, possible central nervous depression in severe cases
Suitable Extinguishing Media: Use alcohol-resistant foam, dry chemical, carbon dioxide, water spray
Special Hazards: Vapors may travel along surfaces and ignite at distant ignition points
Hazardous Combustion Products: Produces carbon monoxide, carbon dioxide during combustion
Special Protective Equipment: Firefighters use self-contained breathing apparatus, full protective clothing
Specific Methods: Water spray cools containers, prevents pressure buildup and explosion
Personal Protection: Evacuate area, ventilate, wear gloves and eye protection
Environmental Precautions: Prevent entry into drains, soil, waterways
Methods for Cleaning Up: Absorb with sand, earth, or inert material, shovel into containers for disposal, clean residue with water
Reference to Other Sections: Use PPE as listed in Exposure Controls, refer to Waste Disposal for discarding collected material
Handling: Use only in well-ventilated spaces, avoid inhalation of vapor or mist, avoid contact with eyes and skin, do not eat or smoke while using
Storage: Store in tightly closed containers out of direct sunlight, in cool dry area, segregate from oxidizers and acids, keep away from incompatible materials
Technical Measures: Use spill containment, secondary containment if stored in bulk
Packaging Materials: Use steel, polyethylene, or approved drum material
Occupational Exposure Limits: No specific TLV set by ACGIH, supplier recommends keeping below 25 ppm as guideline
Engineering Controls: Use local exhaust ventilation, process enclosure if large amounts handled
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles or face shield, coveralls, footwear, in cases of insufficient ventilation, use organic vapor respirator
Hygiene Measures: Wash hands before breaks and after use, remove contaminated clothing, wash before reuse
Appearance: Colorless liquid
Odor: Mild
pH: Neutral
Boiling Point: 230°C (446°F)
Melting Point: –80°C (–112°F)
Flash Point: 105°C (221°F)
Evaporation Rate: Slower than ether
Solubility: Miscible with water
Vapor Pressure: 0.027 mmHg at 20°C
Density: 0.95 g/cm³ at 20°C
Chemical Stability: Stable under normal handling and storage
Conditions to Avoid: Strong heat, open flames, contact with strong oxidizers
Materials to Avoid: Acids, oxidizing agents, reducing agents
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide
Hazardous Reactions: May react vigorously with strong oxidizers
Acute Toxicity: LD50 Oral (rat) > 2000 mg/kg, low acute toxicity
Skin Corrosion/Irritation: Mild irritant at prolonged contact
Serious Eye Damage/Irritation: Can cause moderate-severe stinging and redness
Respiratory Sensitization: Not reported
Chronic Toxicity: No evidence for carcinogenicity, mutagenicity, or reproductive toxicity
Symptoms of Overexposure: Dizziness, nausea, drowsiness, eye and skin irritation, headache at high concentrations
Ecotoxicity: Low acute toxicity to aquatic life (LC50 fish > 100 mg/L)
Persistence and Degradability: Biodegradable under aerobic conditions
Bioaccumulation Potential: Low potential (log Kow about 0.56)
Mobility in Soil: Highly mobile, can leach to groundwater if spilled
Other Harmful Effects: Large spills can produce oxygen demand in surface waters
Waste Handling: Collect and dispose as hazardous waste per local regulations
Methods of Disposal: Incinerate under controlled conditions or send to licensed chemical waste recycler
Contaminated Packaging: Triple rinse, send emptied containers to approved drum reconditioner or incinerator
Special Precautions: Do not dispose to drains, soil, or surface water
UN Number: Not regulated for ground, air, or sea transport (non-flammable liquid)
Proper Shipping Name: Dipropylene Glycol n-Butyl Ether solution
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not regulated as a marine pollutant
Special Precautions: Secure containers during transport to prevent leakage, avoid transport with incompatible chemicals
US Regulation: TSCA-listed, SARA 313 not listed, not a hazardous waste under RCRA
Canada Regulation: WHMIS non-controlled, DSL-listed
Europe: REACH registered, not a SVHC, EINECS listed
Other Country Lists: Australia AICS-listed, Japan ENCS-listed
Labelling: GHS-compliant, with hazard statement for eye irritation
