Product Name: 1,3-Diethylimidazolium Acetate
Chemical Formula: C9H16N2O2
Synonyms: DEIM Acetate, Diethylimidazolium Ethanoate
CAS Number: 679389-23-3
Manufacturer: Obtain contact from supplier label
Uses: Solvent in organic synthesis, biomass treatment, ionic liquid in chemical research
Emergency Contact: Reference local emergency hotlines or supplier’s safety desk
Recommended Restrictions: Industrial or laboratory research only, not for food or pharmaceutical use
GHS Classification: Eye Irritation (Category 2A), Skin Irritation (Category 2)
Label Elements: Exclamation mark pictogram, Warning signal word
Hazard Statements: Causes serious eye irritation, Causes skin irritation
Precautionary Statements: Wear protective gloves, eye protection, and face protection; wash hands after handling; avoid direct contact with skin and eyes; seek medical help after exposure
Other Hazards: May cause mild respiratory irritation; not classified as flammable but can support combustion under certain conditions
Chemical Name: 1,3-Diethylimidazolium Acetate
Common Name: DEIM Ac
Concentration: 98-100%
Impurities: Trace water, residual solvents not exceeding 0.5%
Stabilizing Additives: None
Inhalation: Move person to fresh air; seek medical advice if symptoms like coughing, headache, or shortness of breath persist; support breathing as needed
Skin Contact: Rinse skin with large amounts of water, remove contaminated clothing and shoes, continue flushing for at least 15 minutes, seek medical attention if irritation develops
Eye Contact: Rinse with water for at least 15 minutes, hold eyelids open, remove contact lenses if present and easy to do, get medical attention promptly
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical attention immediately, provide symptomatic support
Important Symptoms: Eye redness, tearing, burning, dry skin, stomach upset if swallowed
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray
Unsuitable Extinguishing Media: High-pressure water jets
Hazards from Combustion: Releases carbon oxides, nitrogen oxides, irritating fumes
Protective Equipment: Wear self-contained breathing apparatus, protective clothing
Special Procedures: Cool containers with water spray, avoid inhaling vapors or fumes, evacuate area if large scale fire occurs
Personal Precautions: Use gloves, eye protection, avoid contact with spilled liquid, provide adequate ventilation
Environmental Precautions: Prevent entry into drains, watercourses, or soil; contain spill with absorbent material
Clean-Up: Absorb with inert material such as sand or earth, scoop into properly labeled containers for disposal, wash area with water and detergent, ventilate area
Handling Spills: Use non-sparking tools, avoid generating dust or aerosols
Handling: Use in well ventilated areas, wear recommended protective equipment, keep container tightly closed, avoid release to the environment, do not eat, drink or smoke while handling
Storage Conditions: Store in original packaging, keep in dry, cool, well-ventilated place away from incompatible substances such as strong oxidizers or acids
Safe Packaging: Use high-density polyethylene, glass, or approved metal containers tightly sealed
Storage Temperature: 15–30°C
Incompatible Materials: Strong acids, bases, oxidizing agents
Occupational Exposure Limit: No specific national exposure limits listed
Engineering Controls: Work in fume hood or local exhaust ventilation
Personal Protection: Wear chemical-resistant gloves (nitrile recommended), safety goggles or face shield, lab coat, and closed-toe shoes
Respiratory Protection: Use approved respirator if vapor or aerosol concentrations exceed safe limits
Hygiene Measures: Wash hands thoroughly after handling, do not touch face or eat during use, change contaminated clothing promptly
Appearance: Colorless to pale yellow liquid
Odor: Mild, faintly sweet
pH (as supplied): 7-8 (neutral to weakly basic, varies with water content)
Melting Point: -10°C
Boiling Point: Decomposes above 250°C
Flash Point: >160°C (closed cup)
Vapor Pressure: Negligible at room temperature
Solubility in Water: Miscible
Density: 1.10–1.15 g/cm³ @ 20°C
Viscosity: 50–200 cP @ 25°C
Partition Coefficient (log P): Not determined
Evaporation Rate: Low
Decomposition Temperature: Above 250°C
Chemical Stability: Stable under standard conditions; can degrade over prolonged heat or light exposure
Reactive With: Avoid strong oxidizing agents, acids, strong bases
Hazardous Reactions: None expected under normal use
Decomposition Products: Carbon oxides, nitrogen compounds, acetic acid fumes under fire or thermal abuse
Polymerization: Will not polymerize spontaneously
Likely Exposure Routes: Skin contact, eye contact, inhalation, ingestion
Acute Toxicity: Low oral and dermal toxicity reported; higher exposure can cause irritation of eyes and skin
Inhalation Risk: Mild irritation possible, especially in aerosol form
Skin Effects: Possible dryness, redness, mild swelling
Eye Effects: Redness, watering, discomfort
Chronic Effects: No evidence for chronic toxicity from long-term use
Mutagenicity, Carcinogenicity, Reproductive Toxicity: No data indicating mutagenic, carcinogenic, or reproductive risks
Aquatic Toxicity: Potentially harmful to aquatic organisms at high concentrations, limited data for chronic effects
Mobility: High water solubility increases risk of movement through water systems
Bioaccumulation: Low likelihood of bioaccumulation based on structure and available data
Degradability: Slow to degrade under natural environmental conditions
Soil Impact: May disrupt microbial communities in soil disposal scenarios
Other Environmental Hazards: Do not release large quantities into the environment
Safe Disposal: Treat as chemical waste; dispose through approved incineration facility
Container Disposal: Triple-rinse empty containers, remove labels before disposal or recycling according to local regulations
Disposal Restrictions: Do not pour down drains, discard in general waste, or dispose in waterways
Hazardous Waste Codes: Assign appropriate local or state hazardous material identifiers
UN Number: Not regulated for ground, air, or sea transport under common classifications
Proper Shipping Name: Not assigned under DOT, IATA, or IMDG guidelines
Packing Group: Not determined, handle in sealed containers
Transport Hazard Classes: Not classified as dangerous good
Transport Precautions: Protect from leaks/spills, secure packaging, avoid temperature extremes in transit
Labels/Placards: None required under current regulations
TSCA Inventory: Listed or complies with TSCA
REACH Status: Pre-registered or exempt
SARA 313: Not listed
California Proposition 65: Not listed as known carcinogen or reproductive toxin
Canadian WHMIS: Classified – eye and skin irritant
Other Regulations: Check local, national, and international laws for handling requirements; safety data obligations apply for workplace use
