Chemical Name: 2-Undecyl-Imidazole
Synonyms: 1-(Undecyl)-1H-imidazole, N-Undecylimidazole
CAS Number: 123123-33-1
Molecular Formula: C14H26N2
Molecular Weight: 222.37 g/mol
Recommended Uses: Corrosion inhibitor, antimicrobial agent, research chemical
Supplier Details: AnyChem Distributors, 44 Depot Rd, Industrial Park, CA 90210, United States
Emergency Contact: CHEMTREC USA 1-800-424-9300; International +1-703-527-3887
GHS Classification: Skin Irritation (Category 2), Eye Irritation (Category 2A), Acute Toxicity Oral (Category 4)
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes skin and eye irritation.
Pictograms: Exclamation mark
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Potential Health Effects: Redness, itching, nausea, cough, headache, discomfort
Precautionary Statements: Avoid breathing dust, wear gloves and goggles, wash hands after use
Substance: 2-Undecyl-Imidazole
CAS Number: 123123-33-1
Concentration: >98%
Impurities: None known above 1% significant concentration
Inhalation: Move to fresh air. Seek medical attention if symptoms develop.
Skin Contact: Remove contaminated clothing. Wash skin with plenty of soap and water for at least 15 minutes.
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, occasionally lifting eyelids. Seek medical attention.
Ingestion: Rinse mouth. Do not induce vomiting. Seek immediate medical attention.
Symptoms to Watch: Respiratory irritation, skin rash, eye watering, abdominal pain
General Note: Show this data sheet to doctor in attendance
Suitable Extinguishing Media: Water spray, dry chemical, alcohol-resistant foam, carbon dioxide
Unsuitable Extinguishing Media: Direct water jet
Specific Hazards: Releases toxic fumes of nitrogen oxides and carbon oxides when heated
Special Protective Equipment: Self-contained breathing apparatus and protective clothing
Advice for Firefighters: Keep containers cool, avoid breathing fumes, stay upwind
Personal Precautions: Evacuate unnecessary personnel. Wear gloves, goggles, and dust mask.
Spill Cleanup Methods: Collect with inert absorbent (sand, vermiculite). Scoop up and place in a chemical waste container.
Environmental Precautions: Prevent run-off to sewer or drains.
Disposal: Dispose of according to local, regional, national, and international regulations.
Handling: Use only in well-ventilated areas. Avoid contact with skin, eyes, clothing. Do not eat, drink, or smoke during use.
Storage: Store in a tightly closed container, in a cool, dry, well-ventilated area away from light and incompatible substances such as strong acids and oxidizers.
Incompatible Materials: Strong oxidizing agents, strong acids
Hygiene: Wash thoroughly after handling
Occupational Exposure Limits: No OSHA or ACGIH limits set
Engineering Controls: Use fume hood or local exhaust ventilation
Personal Protection: Wear protective gloves (nitrile recommended), chemical safety goggles, lab coat, and, if dust is generated, NIOSH-approved dust respirator
Environmental Protection: Avoid release into the environment; proper disposal according to regulations
Appearance: Light yellow to off-white powder
Odor: Mild, amine-like
Melting Point: 56–58°C (133–136°F)
Boiling Point: >300°C (>572°F) estimated
Solubility: Slightly soluble in water, soluble in ethanol, DMSO, methanol
Density: 0.98 g/cm³ at 20°C
pH: No data available
Flash Point: No data, presumed >100°C
Vapor Pressure: Low, no data available
Partition Coefficient: Log Kow estimated between 3 and 5
Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: Reacts with strong oxidizing agents and acids
Polymerization: Will not occur
Decomposition Products: Thermal decomposition produces nitrogen oxides and carbon oxides
Acute Toxicity: Oral LD50 (rat) estimated >500 mg/kg
Skin Corrosion/Irritation: Can cause skin irritation after prolonged or repeated contact
Serious Eye Damage/Irritation: Causes irritation
Respiratory Sensitization: Not classified; no human data
Carcinogenicity: No data available; not listed by IARC, NTP, or OSHA
Other Effects: Inhalation of dust may irritate respiratory tract; ingestion may cause nausea or vomiting
Eco-toxicity: Data limited, possible toxicity to aquatic organisms due to imidazole structure
Persistence and Degradability: Not readily biodegradable, could persist in environment
Bioaccumulation Potential: Predicted moderate based on log Kow
Mobility in Soil: Limited mobility expected; binds to soil particles
Other Adverse Effects: Not classified as PBT or vPvB
Disposal Methods: Unused material to be treated as hazardous waste; incinerate under controlled conditions
Packaging Disposal: Rinse containers and dispose through licensed chemical waste contractor
Do Not: Release into drains, surface water, or soil
UN Number: Not regulated as dangerous goods
Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: Not listed
Special Precautions: Avoid spillage during transport; keep packaging secure and clearly labeled
Safety, Health and Environmental Regulations: No specific U.S. TSCA or EU REACH restrictions
Labeling Requirement: GHS-compliant labeling necessary for handling
Other Regulations: Hazardous chemical under OSHA 29 CFR 1910.1200
Chemical Inventory Status: Appears on TSCA inventory; check local registration for Europe, Asia
Workplace Controls: Subject to workplace hazard communication requirements
