Product Name: Dibutyl Sebacate
Synonyms: DBS, Sebacic acid dibutyl ester
CAS Number: 109-43-3
Recommended Use: Plasticizer in plastics, coatings, inks, and adhesives
Manufacturer Contact: Refer to supplier information for emergency phone numbers and address
Chemical Formula: C18H34O4
UN Number: Not classified
GHS Classification: Not classified as hazardous according to OSHA Hazard Communication Standard
Signal Word: Not applicable
Hazard Statements: No known significant effects or critical hazards under normal conditions
Precautionary Statements: Use standard hygiene practices, avoid skin and eye contact, not intended for ingestion
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Emergency Overview: Clear, oily liquid with mild odor, may cause minor irritation to eyes or skin, presents slip hazard on smooth surfaces
Chemical Name: Dibutyl Sebacate
Concentration: 99% or greater
Impurities: Minor quantities of related esters may be present
CAS Number: 109-43-3
EC Number: 203-672-5
Inhalation: Move person to fresh air, monitor for any breathing difficulty, seek medical attention for symptoms
Skin Contact: Wash area thoroughly with soap and water, remove contaminated clothing, consult physician if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek medical attention for persistent pain or redness
Ingestion: Rinse mouth, obtain medical advice, give water only if conscious, do not induce vomiting unless directed by medical personnel
Symptoms: Mild eye and skin irritation, possible general discomfort
Suitable Extinguishing Media: Foam, carbon dioxide, dry chemical, water spray
Unsuitable Media: Straight water jets may spread fire
Special Hazards: On burning, may emit toxic fumes such as carbon monoxide and carbon dioxide
Protective Equipment: Firefighters need full protective gear and self-contained breathing apparatus
Fire/Explosion Risk: Low flammability, but vapors can form combustible mixtures at elevated temperatures
Specific Methods: Cool nearby containers with water spray to prevent pressure buildup
Personal Precautions: Wear gloves, goggles, boots; avoid contact with liquid and vapors
Environmental Precautions: Prevent product from entering drains, sewers, or waterways
Clean-up Methods: Absorb with inert material like sand or vermiculite, collect and place in suitable containers for disposal
Spill Response: Isolate area, ventilate, avoid breathing vapors, wash surfaces thoroughly after removal
Notification Procedures: Report major spills to authorities as required
Handling: Avoid inhalation, skin, and eye contact, wash after handling, do not eat, drink, or smoke during use
Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated area away from incompatible substances (strong oxidizers, acids)
Packaging Materials: Use containers made from compatible materials such as stainless steel or high-density polyethylene
Precautions: Avoid spilling, use non-sparking tools, label containers clearly
Hygiene Measures: Wash hands before eating, drinking, or smoking after handling material
Exposure Limits: No occupational exposure limits established for DBS
Engineering Controls: Use local exhaust or general ventilation to keep airborne concentrations low
Personal Protective Equipment: Safety goggles, chemical-resistant gloves (nitrile or neoprene), protective clothing
Respiratory Protection: Not typically required; use NIOSH-approved respirator for aerosol or high vapor concentrations
Eye Protection: Chemical safety goggles recommended
Other Protection: Safety shower and eyewash stations in work area
Appearance: Clear, oily liquid
Odor: Mild ester-like odor
Odor Threshold: Not determined
pH: Not applicable
Melting Point/Freezing Point: -10°C
Boiling Point: 344°C at 1013 hPa
Flash Point: 173°C (closed cup)
Evaporation Rate: Very slow
Flammability: Not highly flammable
Vapor Pressure: <0.01 mmHg at 20°C
Vapor Density: >1 (air = 1)
Density: 0.98 g/cm³ at 20°C
Solubility: Insoluble in water, soluble in oils and organic solvents
Partition Coefficient (log Kow): 5.34
Autoignition Temperature: 410°C
Decomposition Temperature: Not determined
Viscosity: 13-15 mPa·s at 20°C
Chemical Stability: Stable under normal conditions of storage and handling
Hazardous Reactions: None expected during use
Incompatible Materials: Strong oxidizing agents, strong acids
Conditions to Avoid: Excessive heat, open flame, sparks, prolonged exposure to light
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, small amounts of toxic fumes on combustion
Routes of Exposure: Inhalation, skin, eye, ingestion
Acute Toxicity: Oral LD50 (rat) 7400 mg/kg; low toxicity
Skin Corrosion/Irritation: Mild, may cause irritation with prolonged contact
Eye Damage/Irritation: Minimal irritation possible
Respiratory Sensitization: No data for respiratory sensitization
Skin Sensitization: Not expected to cause skin sensitization
Carcinogenicity: Not classified as carcinogen by IARC, NTP, OSHA
Mutagenicity: No evidence of mutagenic effects
Reproductive Toxicity: No evidence from animal studies
Repeated Dose Toxicity: No chronic effects noted from available data
Symptoms: May produce slight eye or skin discomfort; ingestion may cause gastrointestinal upset
Aquatic Toxicity: Low toxicity to aquatic life, LC50 (fish, 96h): >100 mg/L
Persistence and Degradability: Readily biodegradable in the environment
Bioaccumulation Potential: Moderate, expected due to log Kow value
Mobility in Soil: Low, due to low water solubility
Other Adverse Effects: None known
Precaution: Avoid uncontrolled releases into soil or water to prevent long-term contamination
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations; incineration recommended for large quantities
Contaminated Packaging: Clean containers before recycling or disposal
Special Precautions: Do not discharge into drains or surface waters
UN Number: Not regulated as a dangerous good under transport regulations
Proper Shipping Name: Not applicable
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not considered hazardous to the environment during transport
Special Precautions for Transport: Prevent leaks and spills, secure containers during transport
OSHA: Not classified as hazardous under OSHA Hazard Communication Standard
TSCA Status: Listed on the US TSCA Inventory
REACH: Registered under REACH Regulation (EC)
SARA Title III: Not subject to reporting under Sections 302, 304, 313
California Proposition 65: Not listed
WHMIS Classification (Canada): Not controlled
Other Regulations: Check local requirements for storage, handling, and disposal
