Product Name: Butyl Lactate
Chemical Name: Butyl 2-hydroxypropanoate
Synonyms: 2-Hydroxypropanoic acid butyl ester
CAS Number: 138-22-7
Molecular Formula: C7H14O3
Recommended Use: Solvent for coatings, inks, resins, and adhesives
Manufacturers: Specified by supplier
Supplier Contact Details: Emergency phone and general information from chemical distributor
Emergency Contact: CHEMTREC, local authorities, on-site safety officers
GHS Classification: Eye Irritation Category 2, Skin Irritation Category 2
Label Elements: Exclamation mark pictogram, Warning signal word
Hazard Statements: Causes skin and eye irritation, May cause respiratory tract irritation
Precautionary Statements: Avoid breathing vapors, wash hands thoroughly after handling, use in a well-ventilated area
Potential Health Effects: Inhalation may cause headaches, dizziness, drowsiness, and respiratory irritation
Routes of Exposure: Eyes, skin, inhalation, ingestion
Target Organs: Central nervous system, eyes, skin
Chronic Effects: Prolonged exposure may cause dermatitis or impact to CNS
Chemical Name: Butyl Lactate
Concentration: 98-100%
CAS Number: 138-22-7
Impurities/Additives: Water <1%, possible trace solvents from manufacturing process
General Advice: Move away from exposure and seek medical attention if symptoms occur
Inhalation: Remove to fresh air, provide oxygen if breathing is difficult
Skin Contact: Wash area with soap and water for several minutes, remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present
Ingestion: Rinse mouth with water, seek immediate medical help, do not induce vomiting unless directed
Notes for Physician: Treat symptoms, no specific antidote, monitor respiratory and cardiovascular function
Suitable Extinguishing Media: Foam, dry chemical, carbon dioxide, water spray
Specific Hazards: Vapors may form explosive mixtures with air, combustion releases toxic fumes such as carbon monoxide, carbon dioxide
Protective Equipment: Firefighters should wear self-contained breathing apparatus, full protective clothing
Firefighting Procedures: Cool containers with water spray to prevent pressure build-up, avoid inhalation of combustion products
Additional Info: Evacuate area if fire occurs, isolate hazard area, prevent fire-fighting run-off from entering waterways
Personal Precautions: Evacuate area, ventilate, avoid contact, use appropriate protective gear
Environmental Precautions: Prevent entry into drains, sewers, and waterways
Methods for Containment: Contain and collect spillage using non-combustible absorbent materials such as sand or earth
Methods for Cleanup: Place in appropriate waste containers for disposal, wash spill area with water, ventilate area
Notification Procedures: Report releases as required by local, national, and federal regulations
Handling: Wear suitable PPE, use only with adequate ventilation, avoid splashing, prevent build-up of vapors
Storage Conditions: Store tightly closed in cool, dry, well-ventilated place away from heat and ignition sources
Incompatible Materials: Strong oxidizers, acids, alkalies
Specific Requirements: Ground or bond containers to prevent static discharge, separate from foodstuffs
Occupational Exposure Limits: No established limits for Butyl Lactate, refer to local regulations
Engineering Controls: Use fume hoods, local ventilation, general ventilation
Personal Protective Equipment: Chemical resistant gloves, eye and face protection, protective clothing
Respiratory Protection: Use air-purifying respirators if ventilation is inadequate or for large spills
Hygiene Measures: Wash hands thoroughly after handling, do not eat or drink while working, remove contaminated clothing and wash before reuse
Appearance: Clear, colorless to pale yellow liquid
Odor: Mild, fruity
Odor Threshold: Not determined
pH: Not available
Melting Point/Freezing Point: -30°C
Boiling Point: 185-195°C
Flash Point: 85°C (closed cup)
Evaporation Rate: Slower than butyl acetate
Flammability: Combustible liquid
Vapor Pressure: 0.2 mm Hg @ 25°C
Vapor Density: 5 (air = 1)
Specific Gravity: 1.02 @ 20°C
Solubility in Water: Miscible
Partition Coefficient (n-octanol/water): log Kow 0.85
Auto-ignition Temperature: 340°C
Decomposition Temperature: Not available
Viscosity: 2.5 mPa.s @ 25°C
Chemical Stability: Stable under recommended storage conditions
Reactivity: Avoid strong oxidizing agents, acids, alkalis
Hazardous Reactions: May react with oxidizers causing fire risk
Conditions to Avoid: High temperatures, open flames, sources of ignition
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating and toxic fumes
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD50 (oral, rat): 2330 mg/kg
Skin Corrosion/Irritation: Causes moderate skin irritation
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: May cause respiratory tract irritation
Carcinogenicity: Not classified as carcinogenic by IARC, ACGIH, NTP, or OSHA
Mutagenicity: No data available
Reproductive Toxicity: No data available
Chronic Effects: May cause dry or cracked skin with prolonged/repeated contact
Symptoms: Dizziness, headache, nausea, respiratory tract irritation
Aquatic Toxicity: LC50 (fish, 96h): 320 mg/L
Persistence and Degradability: Readily biodegradable through microbial activity in soil and water
Bioaccumulative Potential: Low potential based on log Kow values
Mobility in Soil: Expected to be mobile based on water solubility and log Kow
Ecotoxic Effects: Large spills can harm aquatic organisms by depleting oxygen and altering water chemistry
Other Adverse Effects: Not classified as an ozone depleter nor persistent organic pollutant
Waste Treatment Methods: Dispose through licensed chemical waste contractor
Disposal of Product: Do not pour into drains, sewers, or environment, incinerate if permitted
Disposal of Packaging: Triple rinse empty containers, offer for recycling if available
Additional Labeling: Mark packaging according to hazardous waste regulations to reduce risk at disposal sites
UN Number: 3272
UN Proper Shipping Name: Esters, N.O.S. (includes Butyl Lactate)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Environmental hazards: Not classified as a marine pollutant
Special Precautions: Avoid transport with food and animal feedstuffs, keep containers upright to prevent leaks
Regulatory Notes: Ensure containers are labeled and secured per regional transport laws
Inventory Listing: Listed on TSCA (USA), EINECS/ELINCS (EU), DSL (Canada), AICS (Australia)
OSHA Hazards: Combustible liquid, irritant
SARA Title III: Not specified as a reportable toxic chemical
California Proposition 65: Not listed
Right-to-Know Regulations: Appears on Pennsylvania, New Jersey, Massachusetts lists under hazardous substances
Other International Regulations: Complies with REACH requirements, consult local legislation for other regions
Restrictions: Only trained personnel should handle bulk quantities, always consult current regional requirements for any use involving emissions or disposal
