Product Name: 1,3-Diethylimidazolium Chloride
Chemical Formula: C7H13ClN2
Synonyms: Diethylimidazolium chloride, [C2C2im]Cl
CAS Number: 39947-76-3
Recommended Uses: Used as an ionic liquid in organic synthesis, extraction processes, and electrochemistry.
Supplier Information: Contact details for manufacturer or distributor required on packaging and documentation; emergency contact numbers should be included for immediate assistance.
GHS Classification: Classified as harmful if swallowed or if inhaled; may cause eye and skin irritation; may affect central nervous system at high concentrations.
Label Elements: Hazard pictogram (exclamation mark), signal word “Warning”, hazard statements – Harmful if swallowed, causes serious eye irritation, may cause respiratory irritation.
Precautionary Statements: Avoid inhalation and ingestion, avoid contact with eyes and skin, wash hands thoroughly after handling, wear appropriate personal protective equipment.
Environmental Hazards: Product may be hazardous to aquatic organisms; ensure spills do not reach watercourses.
Route of Exposure: Inhalation, ingestion, skin, and eye contact.
Target Organs: Eyes, skin, respiratory tract, possibly nervous system at high exposure.
Chemical Identity: 1,3-Diethylimidazolium Chloride
CAS Number: 39947-76-3
Concentration: >99% pure as supplied
Impurities: Trace amounts of related imidazolium salts, water (up to 0.5%) possible
Formulation: Substance, not a mixture – contains no additional hazardous components per GHS criteria.
Inhalation: Move affected person to fresh air, keep at rest, seek medical attention if symptoms develop. Provide oxygen if breathing becomes difficult.
Skin Contact: Remove contaminated clothing, flush skin with plenty of water for at least 15 minutes, wash area with soap. Seek medical advice if irritation persists.
Eye Contact: Immediately rinse eyes with water or saline solution for at least 15 minutes, lifting upper and lower eyelids occasionally. Remove contact lenses if present and easy to do. Seek prompt medical attention.
Ingestion: Rinse mouth with water, do not induce vomiting unless directed by medical personnel. Offer water to drink. Get medical help.
Symptoms and Effects: May cause burning sensation, cough, shortness of breath, headaches, gastrointestinal distress, eye redness.
Advice for Physicians: Treat symptomatically; no specific antidote.
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
Special Hazards: During a fire, hazardous decomposition products may be released – including hydrogen chloride, nitrogen oxides, carbon monoxide, and carbon dioxide.
Precautions for Firefighters: Wear positive pressure self-contained breathing apparatus and full protective gear.
Further Notes: Product may not be highly flammable but heating can cause expansion or decomposition. Prevent run-off from entering drains or surface water.
Personal Precautions: Evacuate personnel from affected area if necessary, ventilate area, avoid dust formation, wear appropriate PPE including gloves, goggles, and respirator.
Environmental Precautions: Prevent product from entering drains, surface water, and soil.
Methods for Cleaning Up: Collect spill using non-combustible absorbent material like sand or vermiculite, transfer to appropriate labeled containers for disposal. Clean contaminated surfaces thoroughly with water and detergent.
Reference to Other Sections: Refer to exposure controls and disposal sections for additional instructions.
Handling: Work in well-ventilated areas, avoid breathing vapors or dust, minimize direct contact with product. Use local exhaust where possible.
Storage Conditions: Store in tightly sealed containers, in a cool, dry, and well-ventilated place away from incompatible materials such as strong oxidizers and acids. Protect from moisture and light exposure.
Specific Uses: Only use for recommended applications, follow all safety instructions provided by supplier.
Incompatible Materials: Strong acids, strong oxidizing agents, and alkali compounds can react dangerously with this substance.
Control Parameters: No occupational exposure limits have been established for this compound.
Engineering Controls: Use chemical fume hood or local exhaust ventilation to keep airborne concentrations low.
Personal Protective Equipment: Gloves (nitrile or neoprene), chemical splash goggles, lab coat, closed-toe footwear. Use respiratory protection if ventilation is insufficient.
Hygiene Measures: Wash hands, forearms, and face thoroughly after handling. Remove contaminated clothing and wash before reuse.
Environmental Controls: Prevent chemical from entering waterways, ensure proper waste treatment before disposal.
Appearance: White to slightly off-white crystalline solid
Odor: Faint, characteristic; not strong
Odor Threshold: Not available
pH: Slightly acidic to neutral (5.5–7.5 in aqueous solution)
Melting Point: Typically around 70–75°C
Boiling Point: Decomposes before boiling
Flash Point: >100°C (may not pose significant fire risk)
Evaporation Rate: Not determined
Flammability (Solid, Gas): Not classified as highly flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Heavier than air
Relative Density: Approximately 1.1–1.2 g/cm³ at 25°C
Solubility: Readily soluble in water, hygroscopic
Partition Coefficient (n-octanol/water): Not available
Auto-Ignition Temperature: Not determined
Decomposition Temperature: Decomposes at elevated temperatures
Viscosity: Data not available
Chemical Stability: Stable under recommended handling, storage, and usage conditions.
Possibility of Hazardous Reactions: Exothermic reactions with strong oxidizers and acids, possible thermal decomposition.
Conditions to Avoid: Avoid moisture, excessive heat, and direct sunlight, since product can hydrolyze or degrade.
Incompatible Materials: Strong acids, oxidizing agents, alkalis.
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide.
Acute Toxicity: Data limited. Oral LD50 likely >2000 mg/kg (rat, estimated).
Skin Corrosion/Irritation: May cause mild to moderate skin irritation.
Serious Eye Damage/Irritation: Causes moderate to severe irritation upon contact.
Respiratory or Skin Sensitization: Not expected to cause sensitization.
Germ Cell Mutagenicity: No relevant data found.
Carcinogenicity: Data lacking on long-term exposure; not classified as a carcinogen by ACGIH, IARC, NTP, or OSHA.
Reproductive Toxicity: No conclusive data available.
Specific Target Organ Toxicity (Single/Repeated Exposure): Potential for central nervous system effects at high exposures; otherwise none known.
Aspiration Hazard: No evidence of hazard by aspiration.
Ecotoxicity: Limited information available. May be toxic to aquatic life with long lasting effects (not readily biodegradable).
Mobility in Soil: Mobile due to solubility in water, may persist in aquatic environments.
Persistence and Degradability: Not rapidly biodegradable under typical environmental conditions.
Bioaccumulative Potential: Not likely to bioaccumulate due to hydrophilicity.
Other Adverse Effects: Avoid uncontrolled release to the environment, as ionic liquids present risks to aquatic ecosystems.
Waste Treatment Methods: Collect and dispose of as hazardous chemical waste in accordance with local, regional, or national laws.
Container Disposal: Rinse empty containers with water before disposal; do not reuse packaging.
Special Precautions: Incinerate in approved facility after mixing with combustibles, never dispose in landfills or sewage.
Disposal Code: Classified under hazardous waste code D003 (reactive waste) in some jurisdictions.
UN Number: Not assigned; not regulated for transport under current recommendations
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Non-hazardous chemical for road/rail/sea/air under most conditions
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant under current rules
Special Precautions for User: Secure tightly sealed packaging, transport upright, avoid extreme temperatures.
Bulk Transport: Only ship in approved, tightly sealed containers with full documentation.
Safety, Health and Environmental Regulations: Check for chemical safety regulations in each country; not listed on TSCA, EINECS/ELINCS, or DSL inventories, but subject to import/export control based on end use.
Labeling Requirements: Comply with CLP and GHS standards for hazard communication.
Workplace Classification: Industrial chemical use only; not for general public.
Other Country-Specific Regulations: Review safety datasheets and local chemical control lists for updates.
Inventory Status: Not universally registered, subject to academic and industrial research exemptions in some jurisdictions.
