Chemical Name: 1-Ethyl-3-Methylimidazolium Diethylphosphate
CAS Number: 645433-85-0
Synonyms: EMI DEP, EMIM DEP
Recommended Use: Solvent, electrolyte additive, research chemical
Supplier Information: Manufacturer contact details including emergency phone numbers
Product Code: Specific batch information from supplier
Usage Restrictions: Restricted to trained personnel in controlled environments
GHS Classification: Not classified as hazardous under GHS criteria
Label Elements: No signal word required; precautionary statements focus on hygiene, handling with personal protective equipment
Hazard Statements: May cause mild skin or eye irritation on prolonged contact; avoid ingestion and inhalation
Pictograms: Not applicable under current classification
Other Hazards: Combustible at high temperatures; may release toxic fumes if decomposed in fire; not considered a sensitizer in current evidence
Chemical Formula: C9H19N2O4P
Purity: >98% by assay
Ingredients: 1-Ethyl-3-Methylimidazolium Diethylphosphate (single component product)
Impurities: Trace synthesis byproducts (<1%), water content typically below 0.5%
Additives: None reported
Eye Contact: Rinse carefully with lukewarm water for several minutes; remove contact lenses if possible; seek medical attention if irritation persists
Skin Contact: Wash immediately with soap and water; remove contaminated clothing and wash before reuse
Inhalation: Move to fresh air; provide artificial respiration if not breathing; seek medical attention
Ingestion: Rinse mouth with water; do not induce vomiting; seek medical advice
Acute Symptoms: Irritation or discomfort in exposed area; no systemic toxicity expected from small exposures
Suitable Extinguishing Media: Use dry chemical powder, foam, or carbon dioxide; avoid water jets
Hazardous Combustion Products: Possible emission of phosphorus oxides, nitrogen oxides, and carbon oxides in case of fire
Special Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear
Specific Hazards: Heating or fire can cause pressure buildup and potential container rupture
Advice for Firefighters: Approach from upwind side; avoid inhalation of any combustion gases
Personal Precautions: Wear chemical-resistant gloves, lab coat, and eye protection
Environmental Precautions: Prevent runoff into drains or natural water sources; contain spill using inert absorbent
Cleanup Methods: Scoop up with non-combustible absorbent (sand, earth); transfer to labeled waste container
Decontamination: Wash spill area with soap and water after initial cleanup
Disposal: Collect residues and dispose according to local hazardous waste regulations
Precautions for Safe Handling: Avoid contact with eyes, skin, and clothing; do not eat, drink, or smoke while using the substance; use in well-ventilated area
Storage Conditions: Store in tightly closed containers away from heat, direct sunlight, and sources of ignition
Incompatibilities: Keep away from strong oxidizers and acids
Packaging: Use chemical-resistant, sealed containers; label all vessels with contents and hazard identification
Transfer Procedures: Avoid spills during pouring or transfer; clean up any drops promptly
Occupational Exposure Limits: No established limits for this compound
Engineering Controls: Maintain local ventilation, use chemical fume hood for large quantities
Personal Protective Equipment: Safety goggles or face shield; chemical-resistant gloves (nitrile or neoprene); lab coat or apron
Respiratory Protection: If engineering controls do not maintain airborne concentrations below recommended limits, use NIOSH-approved respirator
Hygiene Measures: Wash hands and face before breaks and after handling; do not eat or drink around product
Appearance: Clear to slightly yellowish liquid
Odor: Mild, not distinct; no strong aroma
pH: 6.0 – 8.0
Melting Point: -20°C to -10°C
Boiling Point: Decomposes above 200°C
Flash Point: Estimated above 150°C
Solubility: Freely mixes with water and many polar solvents
Density: 1.15 – 1.19 g/cm³ at 25°C
Viscosity: 40–80 cP at 25°C
Vapor Pressure: Negligible at ambient temperature
Partition Coefficient: Not established for this compound
Reactivity: Generally stable under normal handling and storage conditions
Chemical Stability: Stable at ambient temperature and pressure; decomposes at high heat
Possibility of Hazardous Reactions: No dangerous reactions under intended use
Incompatible Materials: Acid chlorides, strong oxidizing agents, strong acids
Decomposition Products: Upon heating, breakdown can release toxic gases such as phosphorus oxides and nitrogen oxides
Acute Toxicity: Oral and dermal toxicity data on rats suggest low hazard; no fatalities in standard testing
Irritation: Slight skin and eye irritation reported in animal studies; no sensitization
Chronic Toxicity: Data not sufficient, repeat exposure effects not observed in short-term studies
Carcinogenicity: Not listed as carcinogen by NTP, IARC, or OSHA
Symptoms of Exposure: Redness, mild burning, or itching; systemic effects unlikely without massive exposure
Mutagenicity: No data suggesting mutagenic effects
Reproductive Toxicity: No evidence from available studies
Ecotoxicity: Low acute toxicity to aquatic organisms based on available test data
Persistence and Degradability: Compound expected to degrade slowly; not readily biodegradable
Bioaccumulation: Log Kow not established; not expected to bioaccumulate based on structure
Mobility in Soil: Likely to disperse through soil and water systems due to good solubility
Other Effects: Avoid direct release into the environment to prevent long-term accumulation
Waste Treatment Methods: Incineration recommended at an approved facility, maintaining adequate temperature and scrubbing off-gases
Disposal of Containers: Empty containers should be rinsed, punctured, and discarded as hazardous waste
Waste Code: Follow local authority directions for chemical disposal; do not release to sewer
Precautions for Disposal: Personnel handling waste must use protective clothing to avoid direct exposure
UN Number: Not regulated for transport by road, air, or sea based on current classification
Proper Shipping Name: Not applicable
Transport Hazard Class: Non-hazardous for transport
Packing Group: Not assigned
Environmental Hazards: None identified for transport
Special Precautions: Ensure containers are tightly closed and secured during transit to prevent leaks
USA: Not listed under TSCA, SARA, or CERCLA as hazardous; standard chemical hygiene practices required
EU: Not listed as hazardous under CLP Regulation; no REACH restrictions
Other Countries: No special controls in Japan, Canada, or Australia
Workplace Hazards: Addressed through standard risk assessment; appropriate signage and labeling
Chemical Inventory Status: Check current local and national inventories for updates
