Material Safety Data Sheet for Diisobutyl Adipate

1. Identification

Product Name: Diisobutyl Adipate
Synonyms: Adipic acid diisobutyl ester
Chemical Family: Aliphatic Ester
CAS Number: 141-04-8
Manufacturer Name: Refer to supplier
Recommended Use: Plasticizer, solvent, specialty chemical processing
Restrictions on Use: Not intended for medical or food applications
Emergency Contact: Refer to supplier or local regulatory body

2. Hazard Identification

GHS Classification: Not classified as hazardous under GHS criteria
Label Elements: No pictogram required
Signal Word: None
Hazard Statements: May cause mild skin and eye irritation
Precautionary Statements: Wear protective gloves and eye protection, avoid contact with skin and eyes, wash thoroughly after handling
Potential Health Effects: Prolonged or repeated exposure might dry out skin
Environmental Hazards: Not expected to be hazardous to environment in typical use quantities, avoid large spills near bodies of water

3. Composition / Information on Ingredients

Chemical Identity: Diisobutyl adipate
CAS Number: 141-04-8
Purity: ≥98%
Impurities: Minor esters, trace moisture

4. First Aid Measures

General Advice: Move exposed individual from area of exposure, provide fresh air
Inhalation: If affected, remove to fresh air and seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash exposed skin using water and soap
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, seek medical advice if irritation persists
Ingestion: Rinse mouth with water, do not induce vomiting, consult physician if feeling unwell
Most Important Symptoms: Mild irritation, redness, possible dryness
Medical Attention: Persistent symptoms require health professional evaluation

5. Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray
Unsuitable Extinguishing Media: Strong water jets could spread product
Specific Hazards: Vapors can form explosive mixtures with air at elevated temperatures
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, irritating fumes
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Advice for Firefighters: Use standard fire-fighting procedures, cool exposed containers

6. Accidental Release Measures

Personal Precautions: Evacuate personnel, ventilate area, avoid breathing vapors
Environmental Precautions: Prevent entry into drains, waterways or soil
Methods for Clean-up: Absorb with inert material such as sand or earth, collect and place in a suitable container for disposal, clean area thoroughly
Prevention of Secondary Hazards: Remove all sources of ignition nearby

7. Handling and Storage

Handling: Use only in well-ventilated areas, avoid contact with eyes and skin, wash hands after use, keep away from ignition sources
Storage Conditions: Store in tightly closed containers, away from sunlight, sparks, or open flames, keep in cool, dry place,
Incompatible Materials: Strong oxidizers, acids, bases
Specific End Uses: Refer to section on recommended use

8. Exposure Controls / Personal Protection

Occupational Exposure Limits: No occupational exposure limits established
Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls
Personal Protection: Wear chemical-resistant gloves (nitrile, neoprene), safety goggles or glasses, lab coats, and suitable footwear
Respiratory Protection: Not usually needed, but use organic vapor respirator in poorly ventilated conditions
Hygiene Measures: Wash hands thoroughly after handling, do not eat or drink where product is used

9. Physical and Chemical Properties

Appearance: Clear, colorless to pale yellow liquid
Odor: Slight, mild ester-like smell
Odor Threshold: Not established
pH: Not applicable (ester)
Melting Point: -67°C
Boiling Point: 310°C
Flash Point: 164°C (Closed cup)
Evaporation Rate: Slower than butyl acetate
Flammability: Combustible liquid
Vapor Pressure: 3 x 10^-4 mmHg @ 20°C
Vapor Density: 8.5 (air=1)
Relative Density: 0.975 g/cm³ @ 20°C
Solubility: Very slightly soluble in water, miscible with most organic solvents
Partition Coefficient (log Kow): ~4.2
Decomposition Temperature: Not known
Viscosity: 8–10 cP @ 25°C

10. Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Not reactive under normal conditions
Incompatible Materials: Strong oxidizers, acids, alkalis
Conditions to Avoid: Heat, flames, sparks, freezing
Hazardous Decomposition Products: Burning produces carbon oxides and irritant vapors
Hazardous Reactions: Polymerization unlikely

11. Toxicological Information

Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD₅₀ (oral, rat) > 5000 mg/kg
Skin Corrosion/Irritation: May cause mild, reversible irritation
Eye Damage/Irritation: May cause transient redness, irritation
Respiratory Or Skin Sensitization: Not sensitizing
Germ Cell Mutagenicity: Not mutagenic based on available studies
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: No evidence of reproductive harm
STOT – Single Exposure: No target organ toxicity after single exposure
STOT – Repeated Exposure: No organ toxicity noted in repeated dose studies
Aspiration Hazard: Not classified as an aspiration hazard

12. Ecological Information

Ecotoxicity: Low toxicity to aquatic life, LC₅₀ (fish, 96hr) > 100 mg/L
Persistence And Degradability: Expected to be readily biodegradable
Bioaccumulative Potential: Log Kow indicates moderate potential, but rapid biodegradation reduces risk
Mobility in Soil: Low to moderate mobility due to low water solubility
Other Adverse Effects: Not classified as environmentally hazardous under current regulations

13. Disposal Considerations

Disposal Methods: Dispose in accordance with local, regional, and national regulations
Contaminated Packaging: Rinse container, offer for recycling if possible
Special Precautions: Do not discharge to surface water or sewage system

14. Transport Information

UN Number: Not regulated for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not marine pollutant
Special Transport Precautions: Secure loads to prevent movement, protect from heat and contact with oxidants

15. Regulatory Information

TSCA Inventory: Listed
EINECS/ELINCS: 205-456-2
REACH Registration: Pre-registered
SARA Title III Sections 311/312: Not hazardous
California Proposition 65: Does not contain chemicals known to cause cancer or reproductive toxicity
Canadian DSL: Listed
Other Regulations: Comply with local municipal, state, and federal regulations concerning chemical storage and handling