Product Name: 1-Heptyl-3-Methylimidazolium Hydrosulfate
CAS Number: 358734-77-5
Molecular Formula: C11H21N2O4S
Synonyms: [HMIM][HSO4], Ionic Liquid, Imidazolium Salt
Intended Use: Laboratory chemicals, research, industrial manufacturing
Manufacturer: Contact your chemical supplier for details
Emergency Contacts: National poison help line, Emergency services
Hazard Classification: Corrosive to skin and eyes, causes serious eye damage, harmful if swallowed
Hazard Statements: May cause burns, prolonged contact leads to irritation, poses risks to aquatic environments
Pictograms: Corrosive, exclamation mark
Signal Word: Danger
Precautionary Statements: Avoid inhalation, avoid release to environment, wash hands after handling
Potential Health Effects: Irritation of eyes, respiratory tract, and skin; may aggravate pre-existing conditions
Chemical Identity: 1-Heptyl-3-Methylimidazolium Hydrosulfate
Concentration: Typically >95%
CAS Number: 358734-77-5
Relevant Impurities: Minimal; contact supplier for full impurity profile
Other Ingredients: No significant additives reported
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, seek medical attention immediately
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical advice if irritation persists
Inhalation: Move to fresh air, keep at rest, get medical attention for symptoms like coughing or difficulty breathing
Ingestion: Rinse mouth, do not induce vomiting, consult doctor or poison control
Symptoms: Burning sensation, irritation, redness, coughing, nausea
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or CO2
Special Hazards: Toxic fumes may form under fire conditions (including SOx, NOx, carbon oxides)
Protective Equipment: Wear self-contained breathing apparatus, full protective gear
Precautions: Avoid inhalation of gases, cool exposed containers with water spray
Personal Precautions: Use personal protective equipment, avoid breathing vapors or dust, ensure adequate ventilation
Environmental Precautions: Prevent entry into sewers, soil, and waterways
Cleanup Methods: Absorb spill with inert material like sand, transfer to suitable waste container, clean area with soap and water
Disposal: See Disposal Considerations below for proper waste handling
Safe Handling: Wear protective gloves and eye protection, keep containers tightly closed, avoid contact with skin, do not breathe dust or mist
Hygiene Practices: Wash hands after use, keep away from food, remove contaminated clothing and wash before reuse
Storage Conditions: Store in cool, dry, well-ventilated location, away from incompatible substances like strong oxidizers or bases
Storage Containers: Use only approved chemical-resistant containers
Occupational Exposure Limits: No established limits specific to this compound; control exposure to minimize risks
Engineering Controls: Use fume hood, local exhaust, maintain eyewash stations and safety showers nearby
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), tightly fitting goggles, lab coat or apron, suitable mask or respirator for dusty or vaporous conditions
Hygiene Measures: Change clothing if contaminated, avoid eating/drinking near material
Appearance: Colorless to pale yellow liquid
Odor: Slight, characteristic
pH: Acidic, typically between 1 and 3 (in aqueous solution)
Melting Point: <25°C (may vary with water content)
Boiling Point: Decomposes before boiling
Solubility: Highly soluble in water, alcohols
Density: Approximately 1.17 g/cm³ at 20°C
Vapor Pressure: Low (not significant at room temperature)
Viscosity: Moderate to high for ionic liquids
Flash Point: Not flammable under standard conditions
Partition Coefficient: Data not readily available
Chemical Stability: Stable under typical storage and handling conditions
Reactivity: Avoid contact with strong bases, oxidizing agents, and materials sensitive to acids
Conditions to Avoid: High temperatures, moisture contamination, incompatible chemicals
Hazardous Decomposition Products: Sulfur oxides, nitrogen oxides, carbon monoxide and dioxide
Polymerization: Will not occur under normal circumstances
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Effects: Burns to skin and eyes, mucous membrane irritation, nausea if ingested
Chronic Effects: Ongoing contact may cause dermatitis or organ effects
Toxicity Data: Limited mammalian data; similar ionic liquids show moderate oral toxicity in rats (LD50 > 500 mg/kg)
Carcinogenicity: Not listed as a carcinogen by IARC, NTP, OSHA
Mutagenicity/Other Effects: No data currently available
Ecotoxicity: Harmful to aquatic life (fish, invertebrates, algae)
Aquatic Toxicity: LC50 data for similar compounds ranges 1-100 mg/l (varies by organism)
Persistence/Degradability: Potentially low biodegradability, risk for accumulation in aquatic environments
Bioaccumulative Potential: Not expected to bioaccumulate significantly
Mobility in Soil: Can migrate in water, soluble ionic compound
Additional Notes: Spilled material requires immediate remediation to limit environmental harm
Waste Treatment Methods: Dispose of through licensed chemical waste disposal contractor
Container Disposal: Rinse thoroughly, dispose of as hazardous chemical waste
Environmental Hazards: Do not discharge to water courses, drains or soil
Regulatory Requirements: Follow local, state, and federal regulations for hazardous waste
UN Number: Not assigned for most transport regimes
Shipping Name: Not regulated as dangerous goods under most transport laws
Transport Hazard Class: Corrosive (by analogy with other imidazolium compounds)
Packing Group: Typically III or as assigned by local authority
Special Precautions: Protect containers from damage and leaking during transit
Labeling: Ensure containers labeled with proper chemical name and hazard pictograms
US TSCA: Components generally regulated, check inventory status
SARA Title III: Not listed on Section 313 (Toxic Chemicals)
OSHA: Considered hazardous by OSHA Hazard Communication Standard
EU Classification: GHS-compliant, subject to REACH registration if commercial quantities imported
Other Regulations: May require notification under international conventions such as IMDG and ICAO for transport
Workplace Labeling: Details on label must include chemical identification, hazard information, and safety precautions
