Product Name: 4-Methyl-N-Butylpyridinium Bromide
Chemical Formula: C10H16BrN
CAS Number: 104960-08-1
Relevant Use: Laboratory reagent, ionic liquid, phase transfer catalyst
Supplier Information: Manufacturer details shown on packaging, emergency telephone number included on label
Synonyms: 1-Butyl-4-methylpyridinium bromide
Recommended Usage: Used in research settings, chemical synthesis, electrochemistry
Manufacturer Contact: Refer to product label for specific address and phone number
GHS Classification: Harmful if swallowed, causes skin and eye irritation
Hazard Symbols: Exclamation mark
Signal Word: Warning
Hazard Statements: May cause irritation to eyes, skin, respiratory tract; toxic if ingested; environmental hazard for aquatic life
Precautionary Statements: Wear gloves and goggles; avoid breathing dust, vapor, or mist; wash thoroughly after handling
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Target Organs: Skin, eyes, gastrointestinal system
Chemical Name: 4-Methyl-N-Butylpyridinium Bromide
Purity: Typically >98% by mass
Impurities: Residual solvents and unreacted pyridine derivatives in trace amounts
Molecular Weight: 230.15 g/mol
Component Breakdown: 4-Methyl-N-butylpyridinium cation, bromide anion
Inhalation: Remove affected person to fresh air, support breathing as needed, seek medical attention if symptoms continue
Skin Contact: Wash contaminated area thoroughly with soap and water, remove contaminated clothing, seek medical help for continued irritation
Eye Contact: Rinse eyes with water for at least 15 minutes, hold eyelids open, obtain medical care if discomfort persists
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical assistance
Symptoms: Nausea, headache, coughing, redness of skin, tearing, burning sensation
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical powder, foam
Hazards Arising from Combustion: Hydrogen bromide, nitrogen oxides, carbon monoxide, carbon dioxide
Special Protective Equipment: Firefighters wear self-contained breathing apparatus, protective clothing
Fire Procedures: Cool containers with water spray, avoid inhalation of fumes
Sensitivity to Static Discharge: Product in powder form can be an electrostatic risk
Further Notes: Extinguishing water runoff may pose environmental risks
Personal Precautions: Remove ignition sources, ventilate area, prevent skin and eye contact
Protective Equipment: Chemical-resistant gloves, goggles, lab apron or suit
Environmental Precautions: Do not allow material to enter drains or water sources
Cleanup Methods: Sweep up spills carefully, avoid raising dust, place in properly labeled waste container, decontaminate area after collection
Emergency Procedures: Inform relevant personnel, restrict access, dispose of according to local regulations
Handling: Avoid contact with eyes, skin, and clothing, avoid inhalation or ingestion, use with adequate ventilation
Storage: Keep container tightly closed, store in cool and dry place, keep away from oxidizers and incompatible chemicals, avoid exposure to direct sunlight
Handling Precautions: Use personal protective equipment, wash hands after handling, label secondary containers
Storage Conditions: Maintain in original container, ensure storage area is well ventilated, restrict access to trained individuals
Exposure Limits: No established occupational exposure limits by OSHA, ACGIH, NIOSH
Engineering Controls: Work in chemical fume hood, use safety shields, employ local exhaust ventilation
Personal Protection: Chemical-resistant gloves, splash-proof goggles, long-sleeved lab coat, face shield for large-scale use
Respiratory Protection: Use NIOSH-approved respirator if dust or vapor risk increases
Hygiene Measures: Do not eat, drink, or smoke in work area, thoroughly wash after handling
Environmental Controls: Methods in place to contain accidental leaks, proper filtration systems installed
Appearance: White to off-white crystalline powder
Odor: Faint, may be similar to pyridine derivatives
Odor Threshold: Not established
Melting Point: 93–98°C
Boiling Point: Decomposes before boiling
Flash Point: Not flammable under normal conditions
Solubility: Highly soluble in water and polar organic solvents
pH: Aqueous solution usually slightly acidic to neutral
Vapor Pressure: Negligible at room temperature
Relative Density: 1.27–1.33 g/cm³
Partition Coefficient (log Kow): Not determined
Auto-Ignition Temperature: Data not available
Evaporation Rate: Not applicable
Chemical Stability: Stable under recommended storage and handling
Thermal Decomposition: Breaks down at high temperature generating toxic vapors
Materials to Avoid: Strong oxidizing agents, acids, halogenated compounds
Conditions to Avoid: Excessive heat, humidity, moisture, open flame
Hazardous Reactions: None reported under standard handling, incompatibility with strong oxidizers may arise
Hazardous Decomposition Products: Hydrogen bromide, carbon oxides, nitrogen oxides
Likely Routes of Exposure: Inhalation, ingestion, skin, and eyes
Acute Toxicity: Data limited, moderate oral toxicity assumed by similarity to other pyridinium salts
Skin Corrosion/Irritation: Skin contact can cause redness, irritation, or dermatitis
Eye Damage/Irritation: Irritation, redness, tearing, risk of injury with prolonged exposure
Respiratory Sensitization: Heating or dust may lead to coughing, shortness of breath
Chronic Effects: Continual exposure may cause dryness, cracking of skin, and prolonged eye irritation
Carcinogenicity, Mutagenicity, Reproductive Toxicity: No data available; not listed by IARC, ACGIH, NTP or OSHA
Medical Conditions Aggravated: Pre-existing skin or eye conditions
Ecotoxicity: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Expected to persist, low biodegradability
Bioaccumulative Potential: Not thoroughly assessed, but low vapor pressure may reduce risk of atmospheric accumulation
Mobility in Soil: Moderately mobile in aqueous environments, readily dissolves
Additional Environmental Data: Prevent product and containers from entering waterways, soil, and drains
Waste Disposal: Dispose through licensed hazardous waste contractor, follow regional, national, and local laws
Container Disposal: Triple rinse containers, remove identifying labels, dispose as hazardous solid waste
Recycling: Not recommended due to contamination risk
Special Precautions: Prevent spills or residues from entering water systems
UN Number: Not regulated by UN for transportation
Proper Shipping Name: Not classified as dangerous goods
Hazard Class: None assigned
Packing Group: None
Transport Labels: Not required
Special Precautions for Transport: Keep tightly sealed, store upright, avoid physical damage, separate from incompatible substances during transport
Environmental Hazards: Avoid release to environment even if not regulated for transport
Safety, Health, and Environmental Regulations: Not listed as hazardous by the U.S. EPA, TSCA; not specified on Canada’s DSL/NDSL; not detailed by EU REACH as of last regulatory update
SARA Title III (Sections 302, 304, 311/312, 313): Not regulated
California Proposition 65: Not listed
Other Federal, State, and Local Regulations: Comply with all chemical hygiene and safety regulations, local wastewater discharge, and hazardous waste laws
Workplace Requirements: Follow OSHA Hazard Communication Standard, provide access to SDS for all handling personnel
