Product Name: N-Octylimidazolium Hydrogen Sulfate
Chemical Formula: C11H21N2O4S
CAS Number: 346617-57-4
Synonyms: 1-Octyl-3-methylimidazolium hydrogen sulfate
Recommended Use: Laboratory chemicals, ionic liquid, catalyst, solvent for organic reactions
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Classification: Irritant to skin and eyes; may be harmful if inhaled or ingested
Label Elements: Signal word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory tract irritation
Precautionary Statements: Wear protective clothing, gloves, and eye protection; avoid breathing dust or vapors
Health Effects: Exposure may cause burning sensation, redness, pain, and temporary impairment of vision or respiratory discomfort
Environmental Hazards: May have adverse effects if released to water or soil
Chemical Name: N-Octylimidazolium Hydrogen Sulfate
Concentration: >97%
Impurities: Trace organic residues, solvent (if present)
Additives: None
Inhalation: Move person to fresh air immediately, keep at rest, seek medical advice if symptoms develop
Skin Contact: Remove contaminated clothing, wash skin with soap and water for at least 15 minutes, seek medical attention for persistent irritation
Eye Contact: Rinse eyes gently with water for several minutes, remove contact lenses and continue rinsing, consult a physician right away
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention
Most Important Symptoms: Redness, pain, burning sensation, possible gastrointestinal distress if ingested
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide
Unsuitable Media: High-pressure water jets may spread product
Specific Hazards: May emit toxic fumes including nitrogen oxides, sulfur oxides, carbon monoxide, carbon dioxide
Special Protective Equipment: Firefighters require chemical-resistant protective clothing and self-contained breathing apparatus
Advice for Firefighters: Approach fire from upwind, contain runoff, avoid inhalation of fumes
Personal Precautions: Evacuate area, wear appropriate personal protective equipment, avoid breathing vapors or dust
Environmental Precautions: Prevent product from entering drains, surface water, soil; contain spill with inert absorbent material
Methods for Clean-up: Collect spilled material in suitable containers for disposal; wash area with water; ventilate space
Emergency Procedures: Isolate hazard area, restrict access to trained personnel only, notify authorities if contamination occurs
Safe Handling: Avoid contact with skin, eyes, and clothing; do not eat, drink, or smoke when using substance; handle in a well-ventilated area
Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated location, away from incompatible materials like strong oxidizing agents
Incompatible Materials: Strong bases, strong oxidizers, reducing agents
Safe Transfer: Use chemical-resistant equipment; avoid generating dust or aerosols
Engineering Controls: Local exhaust ventilation or fume hood required; ensure eye wash stations and safety showers are available
Respiratory Protection: Use NIOSH-approved respirator under conditions of dust or vapor formation
Skin Protection: Chemical-resistant gloves (nitrile or neoprene), lab coat, long sleeves, closed-toe shoes
Eye Protection: Safety goggles or face shield
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing immediately, clean before reuse
Appearance: Colorless to pale yellow, viscous liquid
Odor: Slight characteristic odor
Odor Threshold: Not established
pH: Acidic (approx. 1-2, 10% aq.sol.)
Melting Point: Approx. 22°C
Boiling Point: Decomposes before boiling
Flash Point: >100°C
Evaporation Rate: Not available
Flammability: Not classified as flammable
Vapor Pressure: Negligible at ambient temperature
Vapor Density: Not available
Density: Approx. 1.1–1.2 g/cm³
Solubility: Miscible with water
Partition Coefficient (log Kow): Not available
Autoignition Temperature: Not established
Decomposition Temperature: Decomposes above 200°C
Viscosity: High viscosity at room temperature
Chemical Stability: Stable under recommended storage conditions
Reactivity: No dangerous reactions known if stored and handled appropriately
Conditions to Avoid: Exposure to high temperature, contact with incompatible substances
Incompatible Materials: Strong bases, strong oxidizers, reducing agents
Hazardous Decomposition Products: Nitrogen oxides, sulfur oxides, carbon oxides
Polymerization: Will not occur under normal conditions
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Limited data; estimated LD50 (oral, rat) >2000 mg/kg
Skin Corrosion/Irritation: Causes irritation
Serious Eye Damage/Irritation: Causes severe irritation to eyes
Respiratory Sensitization: Vapors or mist may be irritating to respiratory system
Chronic Effects: Prolonged exposure could aggravate existing skin conditions
Carcinogenicity: Not listed as carcinogen by IARC, NTP, or OSHA
Mutagenicity: No data available
Reproductive Toxicity: No data available
Ecotoxicity: May be harmful to aquatic life, lack of full data
Mobility in Soil: Expected to be mobile in soil and water due to water solubility
Persistence and Degradability: No rapid biodegradability anticipated
Bioaccumulative Potential: No significant bioaccumulation expected
Other Adverse Effects: May disrupt aquatic microbial communities if released in bulk; avoid discharge to environment
Waste Treatment: Dispose of contents in accordance with local, regional, and national regulations; use licensed chemical waste contractor
Container Disposal: Rinse empty containers thoroughly, puncture, and dispose of as hazardous waste
Precautions: Do not dispose of with domestic garbage or down the drain
Recommended Method: Incinerate or landfill according to regulations
RCRA Status: Not listed under RCRA hazardous waste codes, though local restrictions may apply
UN Number: Not classified as dangerous goods under ADR/RID, IMO/IMDG, IATA
UN Proper Shipping Name: Not regulated
Transport Hazard Class: None
Packing Group: Not applicable
Environmental Hazards: Not considered marine pollutant
Special Precautions: Ensure container integrity, avoid spillage in transit, transport in accordance with local regulations
US TSCA: Not listed or subject to reporting
EU REACH: Not registered; for research or development use only
OSHA Hazard Communication: Classified as hazardous based on irritation potential
Canada DSL/NDSL: Not listed
Other Inventory Status: Check country-specific regulations
Labeling Requirements: Hazard symbol (exclamation mark), precautionary statement on irritation and protection
Other Regulatory Info: Users must comply with all applicable health, safety, and environmental regulations
