Product Name: Dipropylene Glycol Mono Butyl Ether
Chemical Family: Glycol ethers
Chemical Formula: C10H22O4
CAS Number: 29911-28-2
Synonyms: DPNB, 1-(2-Butoxy-1-methylethoxy)-2-propanol
Recommended Use: Industrial solvent for paints, coatings, cleaners
Manufacturer Contact: (Company Name, Address, Emergency Phone Number)
Classification: Eye irritation (Category 2), Skin irritation (Category 3)
GHS Label Elements: Signal word: Warning, Hazard pictogram: Exclamation mark
Hazard Statements: Causes serious eye irritation, may cause mild skin irritation
Precautionary Statements: Avoid contact with eyes and skin, wear protective equipment
Potential Health Effects: Inhalation may cause headache, dizziness, or respiratory irritation, eye contact creates redness or pain, ingestion triggers gastrointestinal discomfort.
Environmental Hazards: Spills can harm aquatic systems if undiluted liquid reaches waterways.
Chemical Name: Dipropylene Glycol Mono Butyl Ether
Concentration: >95%
Impurities: Trace residuals of propylene oxide and butanol possible
Other Identifiers: Not applicable for this mono-component product
Eye Contact: Rinse immediately for at least 15 minutes under running water, lift eyelids periodically, seek medical help if irritation continues.
Skin Contact: Remove contaminated clothing, wash skin with soap and plenty of water, do not delay medical attention if redness or swelling grows.
Inhalation: Move affected person to fresh air, assure breathing is comfortable, consult a physician for symptoms such as cough or dizziness.
Ingestion: Rinse mouth thoroughly, do not induce vomiting, drink water in small sips if conscious, seek medical advice right away.
Most Important Effects: Eye redness, transient drowsiness, or nausea with extensive exposure.
Notes to Physician: Treat symptoms, monitor for fluid in lungs if large quantities are inhaled or swallowed.
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, CO2, water spray
Unsuitable Media: Avoid direct water jet that may spread liquid
Fire Hazards: Vapors could form flammable mixtures at elevated temperatures; decomposition releases acrid fumes
Firefighter Protection: Self-contained breathing apparatus, full protective gear, keep containers cool with water spray
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, potential dense smoke
Specific Hazards: Containers may burst under fire conditions from heat build-up.
Personal Precautions: Evacuate area, ventilate spill zone, avoid inhaling vapors
Protective Equipment: Nitrile gloves, chemical goggles, impervious boots, industrial apron
Environmental Precautions: Prevent undiluted material from entering drains, rivers, or soil
Containment: Dike and absorb spill with inert material (sand, earth), use explosion-proof equipment for cleanup
Cleanup Method: Gather absorbed material, seal in proper drums, clean area with water
Waste Disposal: Dispose per local, regional, and national regulations for chemical wastes
Handling Precautions: Use in well-ventilated spaces, avoid breathing mist, prevent contact with skin and eyes, do not eat or smoke while handling
Safe Storage: Store in tightly sealed containers, keep in cool, dry, well-ventilated area dedicated to chemicals, segregate from acids and oxidizers
Incompatible Materials: Strong oxidizing agents, strong acids, reactive metals
Specific Requirements: Ground all equipment to prevent static sparks, inspect for leaks or container corrosion at regular intervals
Storage Temperature: Keep below 30°C for best stability, shield from direct sunlight, protect against freezing
Occupational Exposure Limit: ACGIH TLV (TWA): 10 ppm (manufacturer recommended guideline)
Engineering Controls: Install local ventilation to remove vapors, use closed process systems where feasible
Eye Protection: Chemical splash goggles
Hand Protection: Chemical-resistant gloves (nitrile or neoprene recommended)
Skin/Body Protection: Laboratory coat or industrial apron
Respiratory Protection: Use an organic vapor respirator for high vapor concentrations
Hygiene Measures: Wash hands thoroughly after working, remove contaminated clothing promptly
Appearance: Clear, colorless liquid
Odor: Faint, ether-like
Boiling Point: 230°C (446°F)
Melting/Freezing Point: -80°C (-112°F)
Vapor Pressure: 0.03 mmHg at 25°C
Vapor Density: 5.6 (air = 1)
Solubility: Miscible with water and most organic solvents
Density: 0.95 g/cm3 at 20°C
pH: Mildly basic
Flash Point: 96°C (closed cup)
Evaporation Rate: Slower than n-butyl acetate
Viscosity: 4.5 mPa•s (20°C)
Partition Coefficient: log Kow ≈ 0.56
Chemical Stability: Stable under recommended handling and storage
Reactivity: No dangerous reactivity at room temperature with air or water
Hazardous Reactions: Violent reaction possible with concentrated acids or strong oxidizers
Decomposition: Produces toxic gases (CO, CO2) if heated to decomposition
Conditions to Avoid: Prolonged high heat, open flames, static discharge
Incompatible Materials: Strong acids, alkalis, oxidizing agents, aluminum
Acute Toxicity: Oral LD50 (rat): 3089 mg/kg, Dermal LD50 (rabbit): >2000 mg/kg
Irritation: Causes moderate eye discomfort, mild skin irritation on prolonged contact
Inhalation: High vapor concentrations can affect central nervous system (transient dizziness, headache), unlikely in normal use
Sensitization: Not identified as a skin sensitizer in animal studies
Chronic Toxicity: Repeated high exposure may influence kidney or liver function (animal studies)
Carcinogenicity: Not classified as carcinogen by IARC, ACGIH, NTP, or OSHA
Other Data: No known mutagenic or reproductive toxicity effects in data reviewed
Aquatic Toxicity: LC50 (fish, 96h): >100 mg/L, EC50 (daphnia, 48h): >100 mg/L
Biodegradability: Product degrades biologically in water and soil over time; ready biodegradability meets OECD criteria
Bioaccumulation Potential: Potential low, log Kow well below 3
Persistence: Will not persist or accumulate in aquatic systems
Mobility in Soil: High, due to water solubility
Other Adverse Effects: None known at industrial exposure levels, avoid direct discharge in concentrated form
Waste Methods: Incinerate in a chemical incinerator with afterburner and scrubber, or use licensed hazardous waste disposal contractor
Contaminated Packaging: Empty containers retain product residue; triple rinse or handle as hazardous waste
Special Precautions: Do not discharge to sewers, groundwater, or open water sources
Regulatory Waste Codes: Check local and national codes for glycol ether solvents
UN Number: Not regulated as hazardous under UN Model Regulations
Proper Shipping Name: Dipropylene Glycol Mono Butyl Ether
Transport Hazard Class: Not classified
Packing Group: Not required
Marine Pollutant: No
Special Precautions: Ship in airtight, leakproof containers; segregate from reactive chemicals during transport
OSHA Status: Not regulated as hazardous chemical in the United States
TSCA Inventory: Listed
EINECS Number: 249-951-5
Federal Regulations: SARA Title III Sections 311/312 (Acute hazard), does not appear under any SARA 313 toxic chemical listing
California Proposition 65: Not listed
Canadian WHMIS: Uncontrolled product, not subject to categorization
Other Regional Legislation: Complies with EU REACH requirements for registration and safety communication, no specific labeling restrictions under EU CLP
Workplace Labelling: Maintain safety signage wherever handled in large volume or in respiring zones
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