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Material Safety Data Sheet: Ethylene Glycol Isooctyl Ether (2-(2-ethylhexyloxy)ethanol)

Identification

Chemical Name: Ethylene Glycol Isooctyl Ether (2-(2-ethylhexyloxy)ethanol)
Synonyms: 2-(2-Ethylhexyloxy)ethanol
CAS Number: 1559-35-9
Molecular Formula: C10H22O2
Use: Solvent in coatings, cleaning agents, and chemical synthesis
Supplier Information: Name, address, and emergency contact number of the manufacturer or distributor
Product Code: Found on supplier-provided packaging or documentation

Hazard Identification

Classification: Eye irritant (Category 2A), skin irritant (Category 2), may cause respiratory irritation
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory discomfort
Pictogram: Exclamation mark symbol
Precautionary Statements: Avoid breathing vapors, wear protective gloves and eye protection, wash exposed skin thoroughly, avoid release to the environment
Potential Health Effects: Strong odor can irritate nose and throat, direct contact with liquid can hurt skin or eyes, inhaling mist can cause headaches or dizziness, swallowing can cause nausea

Composition / Information on Ingredients

Chemical: 2-(2-ethylhexyloxy)ethanol
Concentration: Greater than 95%
Impurities: Trace water, stabilizers, and possible unknown proprietary additives (always ask supplier for a complete list)—these don’t usually change overall risk but might affect sensitive users
Other Components: May contain by-products from manufacturing, less than 1% in total

First Aid Measures

Eye Contact: Rinse with gentle stream of water for at least 15 minutes, hold eyelids open, get medical help if discomfort continues
Skin Contact: Remove affected clothing, wash skin thoroughly with soap and water, get medical attention for any redness or irritation that will not go away
Inhalation: Move person to fresh air, keep at rest, watch for coughing or shallow breathing, seek doctor if symptoms persist
Ingestion: Rinse mouth, drink water if alert, do not induce vomiting unless directed by medical personnel, get medical help right away

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide—don’t use high-pressure water jets
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, small amounts of smoke or toxic vapors can build up
Special Equipment for Firefighters: Full protective gear and self-contained breathing apparatus, watch out for slippery spills caused by runoff from fire area
Fire Hazards: Vapors are heavier than air and can flow along surfaces to distant ignition sources, closed containers could heat up and burst

Accidental Release Measures

Personal Protection: Wear gloves, safety goggles, chemical-resistant shoes—don’t touch wet surfaces with bare skin
Spill Cleanup: Absorb with non-combustible material (sand or earth), shovel into clean, labeled container, ventilate area, wash spill site after cleanup
Environmental Precautions: Stop leak if possible, keep out of drains and waterways, inform environmental authorities if large volume spills
Decontamination: Rinse affected area thoroughly, keep others away until cleaned up, collect for disposal in line with local rules

Handling and Storage

Handling: Avoid direct contact with liquid, use only in well-ventilated places, keep away from sparks and flames, no smoking near product, close container tightly after each use
Storage: Store cool and dry, locked up and away from sunlight, ignition sources, oxidizing agents and areas prone to temperature change, label every container clearly
Other Precautions: Keep away from food and drinks, separate from acids, check for vented caps on large drums, regularly inspect containers for signs of leaks or corrosion

Exposure Controls and Personal Protection

Occupational Exposure Limit: No official workplace exposure standard in most places, recommend keeping vapor as low as possible
Ventilation: Use local exhaust or general ventilation, use closed systems for big operations
Hand Protection: Chemical-resistant gloves (nitrile, neoprene, or similar)
Eye Protection: Safety goggles or face shield where splashing might happen
Skin Protection: Lab coats, aprons, or chemical suits if risk is high
Respiratory Protection: If vapor in air, use proper respirator cartridge—especially during spill or poorly ventilated work
Hygiene Measures: Wash hands before eating, drinking, smoking, or leaving work area

Physical and Chemical Properties

Appearance: Clear, colorless to pale yellow liquid
Odor: Mild, sweet, oily scent
Molecular Weight: 174.28 g/mol
Boiling Point: Around 255–265°C (491–509°F)
Melting Point: Below -30°C (-22°F)
Solubility: Readily soluble in most organic solvents, partly soluble in water
Flash Point: Approximately 120°C (248°F)
Autoignition Temperature: About 220°C (428°F)
Vapor Pressure: Low—less than 1 mmHg at 20°C
Density: 0.87–0.89 g/cm³ at 20°C
Viscosity: Slightly higher than water, oily feeling
Partition Coefficient: Log Pow estimated around 3.2–3.7

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions, long shelf life if closed tightly
Reactivity: No violent reactions with common materials (steel, glass, most plastics)
Incompatible Materials: Strong oxidizers, acids, alkalis
Hazardous Decomposition: Burns to form carbon monoxide and carbon dioxide, some peroxides could slowly form on exposure to air
Polymerization: Not expected to occur

Toxicological Information

Acute Toxicity: Low to moderate, LD50 oral (rat) about 3000 mg/kg—ingestion can upset stomach, large amounts dangerous
Skin Corrosion/Irritation: Repeated or long contact dries skin, may cause redness or swelling
Eye Damage/Irritation: Strong stinging and watering from contact
Inhalation Risk: High concentrations irritate throat, nose, possibly cause headache and dizziness
Chronic Effects: No evidence for cancer, birth defects, or genetic harm in available data, always use care with repeated exposure
Other Risks: Absorption through skin possible if contact lasts a long time

Ecological Information

Ecotoxicity: Moderate effect on aquatic life, fish and invertebrates harmed at high concentrations
Persistence and Degradability: Breaks down in environment, but not very fast, could build up if released often
Bioaccumulation: Moderate potential, especially in aquatic organisms due to oily structure
Mobility in Soil: Can leach through soil, especially if spilled in liquid form
Other Environmental Info: No known threat to ozone layer or advanced warning about groundwater, but limiting release is best practice for all ethers

Disposal Considerations

Waste Treatment: Send to licensed hazardous waste disposer, use original or compatible containers
Waste Disposal: Burn at approved chemical incinerator, don’t empty to drain, keep mixed waste out of municipal trash
Container Disposal: Triple rinse empty bottles, puncture, then send for approved industrial recycling or disposal—never reuse for food or drink
Regulatory Status: Not considered a Resource Conservation and Recovery Act (RCRA) hazardous waste in the US, still subject to state and local regulations

Transport Information

UN/NA Number: Not regulated under standard UN hazardous materials list, always check with local rules
Class: Not listed as dangerous under ADR, IATA, DOT, or IMDG if shipped in non-bulk quantities
Packing Group: Not assigned
Shipping Label: No standard hazardous label required for small containers, follow best practices for chemical packaging and leak-proofing
Transport Precautions: Secure containers tightly, load upright, keep away from incompatible cargo, never store with food or feed during transport

Regulatory Information

OSHA Status (US): Not specifically listed as hazardous, handle as hazardous chemical due to irritation risk
TSCA Inventory (US): Present
REACH (EU): Registered for industrial use, subject to safety documentation requirements
SARA Title III Sections 302/304/313 (US): Not listed
California Proposition 65: Not listed
Other National Inventories: Included in Canadian DSL/NDSL, Australian AICS, Japanese ENCS, and other major inventories
Workplace Signage: Follow chemical hygiene and hazard communication guidelines at all times to reduce accidental exposure