Product Name: N-Ethylpyridinium Chloride
Synonyms: 1-Ethylpyridinium chloride, Pyridinium, N-ethyl-, chloride
Chemical Formula: C7H10ClN
CAS Number: 1009-55-4
Recommended Use: Laboratory chemical, research and development
Manufacturer/Supplier: [Specify company name, address, contact number]
Emergency Contact: [Specify emergency line, available 24 hours]
Classification: Acute Toxicity (Oral, Dermal), Skin Irritant, Eye Irritant
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation
Pictograms: Exclamation mark (GHS07)
Precautionary Statements: Wash exposed area thoroughly after handling; Wear protective gloves and eye/face protection; Do not eat, drink or smoke while using this product
Other Hazards: Dust can irritate respiratory tract; Thermal decomposition or combustion may liberate toxic fumes
Chemical Identity: N-Ethylpyridinium chloride
CAS Number: 1009-55-4
Concentration: 98-100%
Impurities: Pyridine derivatives (trace amounts)
Formula: C7H10ClN
Molecular Weight: 143.62 g/mol
Inhalation: Move to fresh air, monitor breathing, give oxygen if breathing becomes difficult, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, immediately wash skin with soap and plenty of water for at least 15 minutes, if irritation continues get medical help
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, get medical attention if irritation develops
Ingestion: Rinse mouth with water, never give anything by mouth to an unconscious person, contact physician or poison center
Most important symptoms and effects: Redness, burning, irritation of skin and eyes, gastrointestinal pain or discomfort, respiratory tract irritation
Immediate medical attention/special treatment: Symptomatic treatment, monitor for respiratory distress or allergic reactions
Suitable Extinguishing Media: Use dry chemical, CO2, foam or water spray
Hazards from Combustion: May produce hydrogen chloride, nitrogen oxides, carbon oxides
Protective Equipment: Firefighters should use self-contained breathing apparatus and protective clothing
Fire/Explosion Hazards: Dust can form explosive mixtures with air; avoid generating dust; keep containers cool with water spray if exposed to fire
Special Procedures: Evacuate area, prevent run-off from entering drains or watercourses
Personal Precautions: Use appropriate personal protective equipment, avoid breathing dust or vapors, ensure adequate ventilation
Spill Cleanup Methods: Sweep up without raising dust, place in suitable closed container for disposal, wash spill site after material pickup
Environmental Precautions: Prevent entry into sewers, surface or ground waters
Emergency Procedures: Isolate area, keep unnecessary personnel away, ventilate area
Handling: Work in well-ventilated areas, avoid contact with eyes and skin, avoid inhaling dust, do not ingest, handle in accordance with good industrial hygiene
Storage: Store tightly closed in a cool, dry, well-ventilated location, away from heat or ignition sources, keep out of direct sunlight and incompatible materials
Incompatible Materials: Strong oxidizing agents, strong bases, acids
Engineering Controls: Use fume hood or local exhaust ventilation to minimize exposure
Occupational Exposure Limits: Not established for this substance
Personal Protective Equipment: Wear chemical resistant gloves, safety goggles, lab coat; use respiratory protection if ventilation is inadequate
Hygiene Measures: Wash hands before breaks and after work, do not eat, drink, or smoke in work area, promptly remove contaminated clothing and wash before reuse
Appearance: White to pale yellow crystalline powder
Odor: Slight pyridine-like
Odor Threshold: Not available
pH: 4.5 – 6.0 (10 g/L solution)
Melting Point/Freezing Point: 180–190°C
Boiling Point: Decomposes
Flash Point: Not applicable
Evaporation Rate: Not available
Flammability: Not flammable as a solid
Vapor Pressure: Negligible
Vapor Density: Not determined
Relative Density: 1.12 g/cm3
Solubility: Easily soluble in water, slightly soluble in organic solvents
Partition Coefficient: Not determined
Auto-ignition Temperature: Not available
Decomposition Temperature: >200°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Reacts with strong oxidizers, acids, or bases
Conditions to Avoid: Heat, moisture, exposure to air, sources of ignition
Hazardous Decomposition Products: Hydrogen chloride gas, nitrogen oxides, carbon oxides
Polymerization: Will not occur
Acute Toxicity: Oral LD50 (rat): estimated 340 mg/kg; may cause nausea, vomiting, diarrhea if swallowed
Skin Corrosion/Irritation: Causes skin irritation, redness, prolonged exposure can lead to dermatitis
Serious Eye Damage/Irritation: Causes moderate to severe irritation, possible damage to corneal tissues
Respiratory Sensitization: Dust inhalation can cause nose or throat irritation, coughing
Chronic Effects: No confirmed chronic toxicity; repeated contact may aggravate pre-existing conditions
Carcinogenicity/Mutagenicity: No data, not listed by IARC/OSHA/ACGIH/NTP
Other Data: May cause gastrointestinal disturbances upon ingestion
Ecotoxicity: Harmful to aquatic life, acute EC50 (algae, daphnia, fish): low mg/L range
Persistence/Degradability: Not readily biodegradable, may persist in the environment
Bioaccumulative Potential: Low, but potential buildup in aquatic soil cannot be excluded
Mobility in Soil: Expected to have some mobility in moist soils, may leach to groundwater
Other Information: Avoid release to waters, soil, sewers
Product Disposal: Treat chemical as hazardous waste, use licensed waste disposal contractor, incinerate or otherwise dispose under approved local, state, and federal regulations
Contaminated Packaging: Dispose as chemical waste after thorough rinsing, adherence to all laws and regulations
Waste Code: Not specifically listed; user must assign based on actual characteristics and concentration
UN Number: Not classified as dangerous under transport regulations
UN Proper Shipping Name: None assigned
Transport Hazard Class: Not regulated
Packing Group: Not assigned
Environmental Hazards: Not designated as a marine pollutant
Special Precautions: Avoid generating dust or release during transport; keep container securely closed and upright
OSHA Status: Not specifically regulated; general chemical hygiene plan applies
TSCA Inventory: Listed
DSL/NDSL: Listed in Canadian inventories
REACH Registration: Pre-registered or exempted
SARA Title III: Not subject to specified reporting requirements
Other: Ensure compliance with all relevant national, regional, and local regulations prior to handling or disposal
