Product Name: Dodecylpyridinium Chloride Monohydrate
Synonyms: 1-Dodecylpyridinium chloride hydrate
Chemical Formula: C17H30ClN·H2O
CAS Number: 120-74-1
Recommended Use: Laboratory reagent, disinfectant, antiseptic
Supplier: Chemical supply companies specializing in laboratory chemicals
Contact Information: Emergency phone numbers available through the supplier’s official channels
Classification: Acute toxicity (oral, dermal, inhalation), eye irritation, skin irritation
GHS Label Elements: Danger
Hazard Statements: Harmful if swallowed or inhaled, causes serious eye damage, causes skin irritation
Signal Word: Danger
Pictograms: Corrosive, exclamation mark
Precautionary Statements: Avoid breathing dust or mist, wash thoroughly after handling, wear protective gloves and eye protection, do not eat or drink in work area
Chemical Name: Dodecylpyridinium Chloride Monohydrate
Concentration: 98-100%
CAS Number: 120-74-1
Other Ingredients: Contains minor water of hydration, no notable impurities contributing to hazards
Inhalation: Remove person to fresh air, keep comfortable, seek medical attention if symptoms occur
Skin Contact: Rinse skin with water and soap, remove contaminated clothing, get medical help if irritation persists
Eye Contact: Rinse eyes with water for several minutes, remove contact lenses if present and easy to do, seek immediate medical advice
Ingestion: Do not induce vomiting, rinse mouth, seek medical attention promptly
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, alcohol-resistant foam
Unsuitable Extinguishing Media: High pressure water streams
Fire Hazards: May release toxic fumes including hydrogen chloride, nitrogen oxides, carbon monoxide
Protective Equipment for Firefighters: Self-contained breathing apparatus, fully protective clothing
Specific Methods: Move containers away from fire if possible, avoid inhalation of hazardous combustion products
Personal Precautions: Evacuate unprotected personnel, use personal protective equipment such as gloves, goggles, and mask
Environmental Precautions: Prevent spillage from reaching drains, soil, or water bodies
Methods for Cleaning Up: Sweep up with care to avoid dust, place in suitable container for disposal, ventilate area, wash spill area thoroughly, collect washings for disposal
Handling: Work in a well-ventilated facility, avoid contact with skin, eyes, or clothing, do not breathe dust, make use of local exhaust if necessary, keep container closed
Storage: Store in a tightly closed container in a cool, dry place, keep away from incompatible materials such as strong oxidizers, acids, and bases, maintain temperature below 30°C, avoid contact with moisture
Exposure Limits: No established occupational exposure limits
Engineering Controls: Use laboratory fume hood, mechanical venting where handling in bulk
Personal Protective Equipment (PPE): Chemical-resistant gloves, protective eyewear, lab coat, face shield for large quantities, respiratory protection such as N95 mask if dust generated
Hygiene Measures: Wash hands before eating, drinking, or using restroom facilities, do not smoke in work area, decontaminate all protective equipment after use
Appearance: White to off-white crystalline powder
Odor: Odorless
pH: 5.5 - 7 (1% aqueous solution)
Boiling Point: Decomposes before boiling
Melting Point: 85 - 93°C
Solubility: Soluble in water, slightly soluble in alcohol
Vapor Pressure: Not significant at room temperature
Density: 0.98–1.01 g/cm³
Flash Point: Not flammable
Partition Coefficient (n-octanol/water): Data not available
Decomposition Temperature: Above 150°C, releases toxic gases
Chemical Stability: Stable under normal conditions, avoid excessive heat or moisture
Reactivity: Reacts with strong oxidizing agents, acids, and some metal salts
Hazardous Decomposition Products: May generate nitrogen oxides, hydrogen chloride, and carbon monoxide upon thermal decomposition
Polymerization: No hazardous polymerization
Conditions to Avoid: Strong heat sources, open flame, incompatible substances including oxidizers and acids, and prolonged exposure to air and light
Routes of Exposure: Inhalation, ingestion, eye and skin contact
Acute Toxicity: Oral LD50 (rat): 42 mg/kg
Skin Corrosion/Irritation: Causes moderate to severe irritation upon direct or repeated contact
Eye Damage/Irritation: Causes severe eye damage even at low concentrations
Respiratory Sensitization: May cause coughing, shortness of breath, throat irritation
Chronic Effects: Repeated or prolonged contact may lead to dermatitis or sensitization
Carcinogenicity: Not classified by IARC or NTP
Other Effects: No known mutagenic or reproductive toxicity identified in typical laboratory use
Ecotoxicity: Toxic to aquatic life with long lasting effects, LC50 (fish, 96 h): < 1 mg/L
Persistence and Degradability: Does not rapidly degrade in natural environments, may persist in water and soil
Bioaccumulation: Potential for bioaccumulation in aquatic organisms
Mobility in Soil: Can move through soil and reach groundwater
Additional Environmental Hazards: Avoid release to environment, collect spillage
Waste Disposal Methods: Dispose of as hazardous chemical waste, follow local, regional, and national regulations
Contaminated Packaging: Triple rinse containers before disposal, do not reuse packaging, offer for incineration if permitted
Precautions: Do not allow product to enter sewers or surface water, ensure materials do not contaminate drinking water sources
UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains Dodecylpyridinium Chloride Monohydrate)
Transport Hazard Class: 9
Packing Group: III
Marine Pollutant: Yes
Special Precautions: Avoid releasing into waterways during transport, use suitable containers for hazardous solids, protect against humidity and strong impacts during handling
TSCA Status: Listed
REACH Status: Registered substance in European Union
OSHA: Classified as hazardous
WHMIS: Meets criteria for hazardous product
SARA Title III: Not subject to SARA Section 313 reporting
California Proposition 65: Not listed
Other Regulations: Follow regulations governing workplace safety, transportation of dangerous goods, and environmental protection in the relevant jurisdiction
