Product Name: 1-Decyl-3-Methylimidazolium Hydrogen Sulfate
Chemical Formula: C14H28N2O4S
Synonyms: [DMIM][HSO4]
CAS Number: 637045-41-1
Recommended Use: Laboratory chemicals, research applications, industrial processes
Supplier: Contact details of distributor or manufacturer
Emergency Contact: Refer to supplier’s emergency phone number or local poison control
Classification: Corrosive to skin (Category 1C), Eye damage (Category 1), Harmful if inhaled, irritant to mucosal membranes
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage, may cause respiratory irritation, harmful to aquatic life with long lasting effects
Pictogram(s): Corrosive (test tube pouring on hand and metal), Exclamation mark, Environmental hazard
Precautionary Statements: Avoid breathing vapors, use only outdoors or in a well-ventilated area, wear suitable protective clothing, prevent product from entering drains, avoid release to the environment
Chemical Name: 1-Decyl-3-methylimidazolium hydrogen sulfate
Concentration: ≥ 98%
Impurities: Minor traces of unreacted imidazole derivatives and sulfate ions
Hazardous Components: Imidazolium cation, hydrogen sulfate anion
Molecular Weight: 320.45 g/mol
Inhalation: Remove person to fresh air, seek medical advice if symptoms such as coughing or breathing difficulties occur
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes, obtain medical attention
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, seek medical advice immediately
Ingestion: Rinse mouth thoroughly, do not induce vomiting, seek immediate medical attention, provide this information to medical personnel
Most Important Symptoms: Burning sensation, coughing, eye damage, stomach upset, possible respiratory distress
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical powder, carbon dioxide
Unsuitable Media: Direct water jets may spread the fire droplets
Specific Hazards: Releases toxic fumes of sulfur oxides, nitrogen oxides, and carbon oxides under fire conditions
Protective Equipment: Use self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes
Special Instructions: Move containers from fire area if safe, avoid breathing fire vapors, contain runoff to prevent environmental contamination
Personal Precautions: Wear protective gloves, chemical goggles, and suitable protective clothing, ensure adequate ventilation, evacuate area if necessary
Environmental Precautions: Prevent product from entering drains, waterways, and soil, inform environmental authorities in event of large spill
Methods for Containment: Absorb with inert material (sand, earth, vermiculite), scoop up substance, place in appropriate waste disposal container, ventilate area after cleanup
Decontamination: Wash spill site with plenty of water, use detergent, dispose of cleaning materials in accordance with local regulations
Safe Handling Advice: Handle in well-ventilated areas, minimize dust and vapor generation, avoid skin and eye contact, prevent ingestion
Storage Conditions: Keep container tightly closed, store away from strong oxidizing agents and moisture, maintain at room temperature in a dry, well-ventilated place
Incompatible Materials: Strong bases, oxidizers, reactive metals, avoid storing near food or animal feed
Personal Hygiene: Wash hands and face thoroughly after use, remove contaminated clothing and wash before reuse
Engineering Measures: Use fume hood or local exhaust ventilation, maintain eyewash stations and safety showers within immediate reach
Eye Protection: Chemical safety goggles or full-face shield
Hand Protection: Chemical-resistant gloves (nitrile or neoprene preferred)
Respiratory Protection: Use NIOSH-approved respirator in cases of insufficient ventilation or potential for exposure above recommended limits
Skin and Body Protection: Wear laboratory coat, apron, and closed-toe shoes
Work Practices: Keep work area clean, avoid eating or drinking while handling product
Appearance: Colorless to pale yellow liquid
Odor: Mild, characteristic
pH: Acidic (2-3 for aqueous solutions)
Melting Point: Approximately -10°C
Boiling Point: Decomposes before boiling
Flash Point: >200°C (closed cup)
Solubility: Soluble in water, ethanol
Vapor Pressure: Negligible at room temperature
Density: 1.13-1.15 g/cm³ at 25°C
Viscosity: Higher than water
Partition Coefficient: Not determined
Decomposition Temperature: Above 220°C, with possible release of corrosive gases
Chemical Stability: Stable under recommended handling and storage conditions
Hazardous Reactions: Reacts with strong bases and oxidizing agents, can generate heat on mixing with water
Conditions to Avoid: Excessive heat, direct sunlight, moisture, sources of ignition
Hazardous Decomposition Products: Sulfur oxides, nitrogen oxides, carbon monoxide, carbon dioxide
Polymerization: Not expected to occur under normal process conditions
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Effects: Corrosive to skin, causes eye damage, irritating to respiratory tract, ingestion may cause burns, nausea, vomiting
Chronic Effects: Prolonged or repeated exposure may cause skin sensitization, damage to mucosal membranes
LD50 (Oral, Rat): Data not readily available; generally considered toxic at moderate doses
Carcinogenicity: No data classified; not identified as a probable carcinogen by IARC, NTP, or OSHA
Other Effects: No known teratogenic or mutagenic effects based on current data
Aquatic Toxicity: Harmful to aquatic life, toxic to microorganisms, may cause long-term adverse effects in aquatic environments
Mobility in Soil: Moderate; can migrate through soil, especially if spilled
Persistence and Degradability: Slow biodegradation, persistent in water and soil
Bioaccumulation Potential: Low to moderate, not fully studied
Other Adverse Effects: Product should not be released directly to surface water or sewage systems
Waste Disposal Method: Collect and transfer to a chemical waste disposal facility, dispose of in accordance with local, state, or national regulations
Contaminated Packaging: Rinse thoroughly, render unusable, dispose of as hazardous waste
Precautions: Do not pour down drains, do not mix with household waste, avoid soil contamination
Incineration: Possible under controlled conditions with flue gas scrubbing
UN Number: Not assigned (general category for corrosive liquids may apply)
Proper Shipping Name: Corrosive liquid, n.o.s.
Transport Hazard Class: 8 (corrosive substances)
Packing Group: II
Labels: Corrosive
Special Provisions: Protect containers from physical damage, secondary containment required, report spills to regulatory authorities
Transport by Air and Sea: Contact carrier for specific packaging and labeling requirements under IATA or IMDG
TSCA Status: Listed/Exempt from TSCA inventory
REACH Status: Registration required, check with supplier for substance-specific details
OSHA Hazard: Classified as hazardous material under 29 CFR 1910.1200
SARA Title III (Sections 302/311/312/313): Not listed
California Proposition 65: Not known to contain substances subject to warning requirements
International Regulations: Compliant with EU CLP, GHS, and other national regulations where applicable
Other Applicable Regulations: Transport restrictions, workplace control legislation, environmental protection standards as described in regional laws
