Product Name: 2-Methylpyrrolidine
Synonyms: N-Methylpyrrolidine, alpha-Methylpyrrolidine
CAS Number: 930-19-8
Recommended Use: Chemical research, chemical synthesis, pharmaceutical intermediate
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GHS Classification: Flammable liquid, Acute toxicity (oral, inhalation, dermal), Skin corrosion/irritation, Eye damage/irritation
Hazard Statements: Highly flammable, Harmful if swallowed, Causes severe skin burns and eye damage, May cause respiratory irritation
Signal Word: Danger
Pictograms: Flame, exclamation mark, corrosion
Precautionary Statements: Keep away from heat, Do not breathe dust/fume/gas/mist/vapors/spray, Wash thoroughly after handling, Wear protective equipment, Avoid release to the environment
Chemical Name: 2-Methylpyrrolidine
CAS Number: 930-19-8
Concentration: 97% or higher
Impurities: Minor traces of pyrrolidine or other N-substituted pyrrolidines possible depending on synthesis
Inhalation: Move subject to fresh air immediately, keep person calm, seek medical help for breathing difficulty, provide oxygen if trained
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with water for 15 minutes or longer, seek medical attention for redness, blistering, or burns
Eye Contact: Rinse eyes with water for at least 15 minutes, hold eyelids apart to ensure flushing, call physician at once
Ingestion: Rinse mouth, do not induce vomiting, never give anything by mouth to unconscious person, get medical care quickly
Most Important Symptoms: Burning or irritation of mucous membranes, cough, shortness of breath, skin rash, eye redness or pain
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray (use caution, avoid direct stream on burning liquid)
Unsuitable Extinguishing Media: Direct water jet
Specific Hazards: Vapors may form explosive mixtures with air, intense heat may lead to decomposition and release toxic gases like nitrogen oxides and carbon monoxide
Protective Equipment for Firefighters: Wear self-contained breathing apparatus, full protective gear, keep containers cool with water spray
Advice for Firefighters: Approach fire from upwind, isolate area, remove containers if possible, risk of splash or vapor exposure during firefighting
Personal Precautions: Evacuate unprotected individuals, isolate area, ventilate, avoid inhalation or contact with skin and eyes, wear personal protective equipment including gloves, goggles, chemical-resistant clothing, and respirator if ventilation inadequate
Environmental Precautions: Prevent spillage from entering water courses, basements, or confined areas, contain spill using sand, earth, or inert material, notify authorities if required
Methods for Clean-up: Absorb onto inert material, transfer to chemical waste container, seal, label, and dispose in accordance with local regulation, decontaminate area with detergent and water, ventilate
Handling: Work in closed systems or well-ventilated spaces, avoid inhaling vapor, avoid direct skin and eye contact, ground equipment, avoid smoking, keep away from ignition sources, don appropriate PPE
Storage: Store in tightly closed containers, cool, dry place, away from incompatible materials such as strong acids, oxidizers, and strong bases, keep container upright, segregate from food and drink, use approved safety cabinets for flammable and corrosive materials
Incompatible Materials: Acid chlorides, anhydrides, oxidizing agents, strong acids
Occupational Exposure Limits: No established limit; use engineering controls (local exhaust, fume hood)
Engineering Controls: Mechanical ventilation, use enclosed process, emergency eye showers and safety baths in work area
Personal Protective Equipment: Chemical resistant gloves (nitrile or neoprene), splash goggles or face shield, flame-retardant lab coat, respiratory protection if airborne exposure is likely or ventilation is poor
Hygiene Measures: Wash hands after handling, before eating, do not eat, drink, or smoke in work area, remove contaminated clothing and wash before reuse, practice good housekeeping
Appearance: Colorless to pale yellow liquid
Odor: Sharp, fish-like amine odor
Odor Threshold: Not determined
pH: Not available
Melting Point: -20 °C
Boiling Point: Around 110 °C
Flash Point: Approx. 20 °C (closed cup)
Evaporation Rate: Not available
Flammability: Highly flammable liquid
Lower/Upper Flammability Limit: Not established
Vapor Pressure: Approx. 35 mmHg at 25 °C
Vapor Density: 2.4 (air = 1)
Specific Gravity: Around 0.87 g/cm³
Solubility: Miscible with water and organic solvents
Partition coefficient (log Kow): Not available
Decomposition Temperature: Not established
Viscosity: Not determined
Chemical Stability: Stable under recommended handling and storage conditions
Potentially Dangerous Reactions: Violent reaction with oxidizers, may form toxic/vaporous gases when decomposed by fire or heat
Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide, irritating fumes
Conditions to Avoid: Heat, flames, sparks, strong oxidizers, strong acids, aluminum, copper, and their alloys
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD50 (oral, rat): approx. 140 mg/kg; may cause severe irritation
Skin Corrosion/Irritation: Causes burns and irritation
Serious Eye Damage/Irritation: Severe eye damage
Respiratory Sensitization: Can cause respiratory tract irritation
Chronic Effects: No data, repeated exposure may worsen effects on skin, eyes, lungs
Symptoms: Cough, drowsiness, headache, nausea, redness, blistering, burns
Ecotoxicity: Harmful to aquatic life, low concentration spills can cause acute impact
Persistence and Degradability: Expected to biodegrade, not persistent in environment
Bioaccumulation Potential: Low based on structure and water solubility
Mobility in Soil: Likely mobile, risk for groundwater contamination
Other Adverse Effects: Toxic to some organisms if released in large quantities
Waste Disposal Methods: Collect and send waste to licensed hazardous waste disposal facility, do not empty into drains or environment
Container Disposal: Triple rinse, remove labels, puncture or crush before disposal in line with local regulations, do not reuse empty containers
Special Precautions: Compliance with local/national/international waste disposal regulations required
UN Number: UN2733
UN Proper Shipping Name: 2-Methylpyrrolidine
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: II (Medium danger)
Labels: Flammable Liquid
Marine Pollutant: Not identified as marine pollutant, precautions needed for accidental spillage
Transport Precautions: Use robust packaging, keep container upright, inform about flammability risk, compliance with all modal and route-specific transport regulations
TSCA: Listed
EINECS/ELINCS: 213-198-5
REACH Status: Registration required
OSHA Hazards: Highly flammable, corrosive
SARA Title III (Sections 311/312): Immediate (acute) health hazard, fire hazard
California Proposition 65: Not listed
Other National Regulations: Check country-specific requirements for handling, occupational exposure, and environmental release
