Product Name: 1-Carboxyethyl-3-Methylimidazolium Hydrogensulfate
Chemical Formula: C8H14N2O5S
CAS Number: 934238-90-7
Synonyms: (S)-1-(3-Methylimidazol-1-ium-1-yl)propan-2-oate hydrogen sulfate
Recommended Use: Ionic liquid, solvent, catalyst
Manufacturer: Information available on request
Emergency Contact: Refer to local poison control center or emergency response numbers
Supplier Contact: Refer to supplier safety documentation
GHS Classification: Eye irritation, Category 2; Skin irritation, Category 2; Acute toxicity Oral, Category 4
GHS Label Elements: Exclamation mark symbol
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may be harmful if swallowed
Precautionary Statements: Wash hands thoroughly after handling, wear protective gloves and eye protection, do not eat, drink, or smoke when using this product, avoid contact with skin and eyes
Chemical Name: 1-Carboxyethyl-3-Methylimidazolium Hydrogensulfate
Concentration: >98% by weight
Other Components: Trace impurities related to synthesis (less than 2%)
Molecular Weight: 250.27 g/mol
Inhalation: Move person to fresh air, seek medical advice if feeling unwell
Eye Contact: Rinse eyes gently with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek immediate medical attention
Skin Contact: Wash with plenty of soap and water, remove contaminated clothing, get medical advice if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, drink water to dilute, seek medical advice immediately
Suitable Extinguishing Media: Use water fog, dry chemical powder, carbon dioxide, or foam
Unsuitable Extinguishing Media: Direct water jet may spread fire
Specific Hazards: Emits toxic fumes including sulfur oxides, nitrogen oxides, and carbon oxides when burning
Protective Equipment for Firefighters: Use full protective gear, self-contained breathing apparatus, avoid inhaling combustion products, approach from upwind
Personal Precautions: Evacuate unnecessary personnel from the area, avoid breathing vapors, use personal protective equipment including gloves and goggles
Environmental Precautions: Prevent further leakage or spillage if safe, keep away from drains and waterways
Methods for Containment and Cleanup: Absorb with inert material (dry sand or earth), scoop up and place in suitable labeled waste container, ventilate area, wash spill site after material pickup
Handling: Use with adequate ventilation, avoid inhalation and contact with skin, eyes, and clothing, wash hands after handling, do not eat or drink in work area
Storage: Store in a tightly closed container, keep in a dry, cool, well-ventilated area, protect from direct sunlight, keep away from strong oxidizers and acids, avoid sources of ignition
Engineering Controls: Work in a fume hood or under local exhaust ventilation
Personal Protection: Wear chemical-resistant gloves (nitrile recommended), lab coat, safety goggles, and appropriate respiratory protection if ventilation is insufficient
Hygiene Measures: Remove and wash contaminated clothing before reuse, keep work area clean, do not touch face or eyes with contaminated gloves
Appearance: Clear to pale yellow liquid
Odor: Weak, characteristic, slightly sulfurous
pH (1% solution): Approximately 2.0
Melting Point: ~40°C
Boiling Point: >250°C (decomposes)
Flash Point: Not applicable (high thermal stability, low volatility)
Solubility: Miscible in water
Vapor Pressure: Negligible at ambient temperature
Partition Coefficient (n-octanol/water): Not determined
Density: ~1.3 g/cm³ at 20°C
Viscosity: Moderate to high depending on temperature
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: High temperatures, exposure to moisture, contact with incompatible materials such as strong oxidizing agents or strong bases
Incompatible Materials: Strong acids, strong bases, strong oxidizers
Hazardous Decomposition Products: Emits sulfur oxides, nitrogen oxides, carbon monoxide, and carbon dioxide under fire or extreme heat
Possibility of Hazardous Reactions: No dangerous reactions reported under normal use
Acute Toxicity: May be harmful if swallowed, LD50 oral (rat) >2000 mg/kg
Skin Corrosion/Irritation: Causes skin irritation based on similar compounds
Serious Eye Damage/Irritation: Causes eye irritation
Respiratory Sensitization: No reliable data for respiratory sensitization
Germ Cell Mutagenicity: No data available
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: No data available
Specific Target Organ Toxicity – Single Exposure: No data available
Specific Target Organ Toxicity – Repeated Exposure: No data available
Aspiration Hazard: Not expected under normal use
Ecotoxicity: May be harmful to aquatic organisms, use caution to prevent environmental contamination
Persistence and Degradability: Data unavailable on biodegradation
Bioaccumulation Potential: Expected to have low bioaccumulation based on molecular structure
Mobility in Soil: Highly mobile in aqueous systems
Other Adverse Effects: Avoid release to the environment, as ionic liquids can disrupt aquatic systems
Waste Disposal Methods: Dispose of this material and its container at a hazardous or special waste collection point according to local, regional, national, and international regulations
Contaminated Packaging: Dispose of as hazardous waste
Precautions: Do not allow into drains, surface water, or soil
Recommended Decontamination: Empty containers should be rinsed with water, and water used for rinsing should be disposed as hazardous waste
UN Number: Not assigned, not classified as dangerous for transport under ADR/RID/IMDG/IATA
DOT Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Special Transport Precautions: Protect containers from physical damage, keep containers upright and tightly closed during transport, avoid direct sunlight and moisture
TSCA Status: Not listed (status should be verified)
EINECS: Not listed (reach registration required in some jurisdictions)
OSHA Hazards: Eye irritation, skin irritation
WHMIS Classification: Not classified
SARA Title III, Section 313: Does not contain any substances subject to reporting requirements
California Proposition 65: Not listed
Other Regulatory Status: Follow all applicable local, state, national, and international chemical safety and environmental regulations
