Product Name: Dodecylpyridinium Chloride
Chemical Formula: C17H30ClN
Synonyms: N-Dodecylpyridinium chloride, Laurylpyridinium chloride
CAS Number: 104-74-5
Recommended Uses: Disinfectant, surfactant, preservative
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Classification: Acute toxicity (oral, dermal, inhalation), skin corrosion, eye damage
Signal Word: Danger
Pictograms: Skull and crossbones, corrosive
Hazard Statements: Harmful if swallowed, causes severe skin burns and eye damage, harmful if inhaled
Precautionary Statements: Avoid breathing dust or mist, wear protective gloves, protective clothing, eye protection and face protection, wash hands thoroughly after handling, use only outdoors or in a well-ventilated area, if swallowed or in eyes get immediate medical advice
Chemical Name: Dodecylpyridinium Chloride
Concentration: 98-100%
Impurities: Trace amounts of organic byproducts and water
Common Additives: May contain minor stabilizers or anti-caking agents, not considered hazardous at reported concentrations
Inhalation: Move person to fresh air, keep at rest in position comfortable for breathing, seek immediate medical attention if symptoms develop
Skin Contact: Remove contaminated clothing immediately, rinse skin with plenty of water for at least 15 minutes, seek medical attention
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek urgent medical care
Ingestion: Do not induce vomiting, rinse mouth with water, never give anything by mouth to an unconscious person, call poison control or physician at once
Most important symptoms and effects: Burning sensation, coughing, difficulty breathing, skin redness, blistering, eye pain, lacrimation, abdominal pain if ingested
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam
Unsuitable Extinguishing Media: Do not use water jets as product is water-soluble and runoff may spread contamination
Special Hazards: Releases toxic and irritating fumes of hydrogen chloride and nitrogen oxides during combustion
Protective Equipment for Firefighters: Self-contained breathing apparatus and full protective clothing recommended
Specific Hazards: Keep containers cool with water spray, prevent fire runoff from entering drains or watercourses
Personal Precautions: Evacuate unnecessary personnel, ventilate area, avoid dust formation, wear appropriate protective equipment
Environmental Precautions: Prevent further leakage or spillage if safe to do so, do not let product enter drains, surface water, or groundwater
Methods for Containment and Cleaning Up: Sweep up and collect in suitable, labeled containers for disposal, use non-sparking tools, wash spill area thoroughly with water after material pickup
Handling: Use with adequate ventilation, avoid contact with eyes, skin, and clothing, do not breathe dust or mist, wash hands before eating or drinking, do not mix with other chemicals unless directed
Storage: Store in tightly closed original containers in a cool, dry, well-ventilated area, keep away from incompatible substances such as strong oxidizers and reducing agents, store away from food, drink, and animal feed, keep container upright to prevent leakage, avoid sources of moisture
Occupational Exposure Limits: No occupational exposure limit established by OSHA, ACGIH, or NIOSH
Engineering Controls: Use in well-ventilated areas, local exhaust recommended, safety shower and eye wash station accessible
Personal Protection: Chemical-resistant gloves, protective clothing, splash-resistant goggles or face shield, respiratory protection if airborne concentration exceeds limits or risk of inhalation exists
Hygiene Measures: Do not eat, drink, or smoke during use, wash hands and face before breaks and after handling product, launder contaminated clothing before reuse
Appearance: White to off-white crystalline powder or solid
Odor: Mild, characteristic surfactant odor
Molecular Weight: 283.9 g/mol
Melting Point: 74 – 80°C
Boiling Point: Decomposes before boiling
Solubility: Easily soluble in water and ethanol
pH: 6.0-8.0 (10g/L solution)
Partition Coefficient (log Kow): Not determined
Vapor Pressure: Negligible at room temperature
Specific Gravity: 0.98–1.02 (water = 1)
Flash Point: Not flammable under normal conditions
Explosive Properties: Not classified as explosive
Oxidizing Properties: Not considered an oxidizer
Chemical Stability: Stable under typical storage and handling conditions
Reactivity: Incompatible with strong oxidizing agents and strong acids
Conditions to Avoid: Excessive heat, moisture, combustion sources
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide
Polymerization: Will not occur under normal conditions
Acute Toxicity: Oral LD50 (rat): 31 mg/kg; Dermal LD50 (rabbit): 490 mg/kg
Skin Corrosion/Irritation: Causes severe skin burns
Serious Eye Damage/Irritation: Severe irreversible eye effects
Respiratory or Skin Sensitization: May cause allergic skin reactions in sensitive individuals
Chronic Effects: Prolonged exposure may result in organ damage to liver, kidneys
Carcinogenicity: Not listed by IARC, NTP, OSHA
Mutagenicity: Not classified as mutagenic based on available data
Reproductive Toxicity: No evidence of adverse reproductive effects in animal studies at low exposure levels
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Aquatic Toxicity: Fish (LC50/96h): 1.2 mg/L, Daphnia (EC50/48h): 0.37 mg/L
Persistence and Degradability: Moderately persistent, biodegrades partially in the environment
Bioaccumulative Potential: Low to moderate, may accumulate in aquatic organisms
Mobility in Soil: Readily mobile in water, binds moderately to soil particles
Other Adverse Effects: Toxicity increases at higher pH and lower hardness in water
Disposal Methods: Dispose of contents and container in accordance with local, regional, national, and international regulations
Waste Treatment: Do not allow product to reach sewers, surface water, or groundwater; consult licensed waste disposal contractor
Contaminated Packaging: Rinse container before disposal, dispose of as hazardous waste
UN Number: 2923
UN Proper Shipping Name: Corrosive solid, N.O.S. (Dodecylpyridinium chloride)
Transport Hazard Class: 8 (Corrosive Substance)
Packing Group: II
Labels: Corrosive
Marine Pollutant: Yes
Special Precautions: Avoid contact with other chemicals during transport, ensure containers are upright and sealed, check for compliance with transport authority regulations
TSCA: Listed on the United States Toxic Substances Control Act inventory
REACH Status: Registered or pre-registered in accordance with EU requirements
OSHA Hazards: Acute toxicity, corrosive, toxic to aquatic life
SARA Title III: Not considered a hazardous substance under old SARA reporting rules
California Proposition 65: Not listed as causing cancer or reproductive harm
Other National/International Regulations: Subject to workplace protection laws and environmental regulations in many countries; specific requirements may vary
