Material Safety Data Sheet (MSDS) for 1-Octylimidazole

Identification

Product Name: 1-Octylimidazole
CAS Number: 25385-16-6
Chemical Formula: C11H18N2
Synonyms: N-Octylimidazole
Product Use: Intermediate for synthesis, Research chemical
Manufacturer: Contact specific supplier for name and emergency phone
Supplier Address: Refer to shipment documents
Emergency Contact: Local health and safety officials have helplines for chemical incidents.

Hazard Identification

GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute toxicity (oral, Category 4)
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, Harmful if swallowed
Pictograms: Exclamation mark
Precautionary Statements: Wash thoroughly after handling, Wear gloves/protective clothing/eye protection, Do not eat, drink, or smoke during use
Potential Health Effects: Exposure can irritate eyes, skin, or airways, Ingestion may bring toxic effects
Environmental Hazard: May cause harm to aquatic life.

Composition / Information on Ingredients

Chemical Name: 1-Octylimidazole
CAS Number: 25385-16-6
Concentration: ≥98% as supplied
Impurities: Minor related imidazole derivatives below 2% not significant under standard handling
Additives: None present, supplied as pure substance
Other Information: Not blended with hazardous stabilizers.

First Aid Measures

Inhalation: Move affected person to fresh air, If breathing feels difficult, help provide oxygen and seek medical attention if symptoms persist
Skin Contact: Rinse skin with plenty of soap and water, Remove any contaminated clothing, Seek medical advice if rash or irritation appears
Eye Contact: Rinse cautiously with water for several minutes, Keep eyelids apart to allow thorough flushing, Seek medical care if irritation continues
Ingestion: Do not induce vomiting, Rinse mouth with water (no swallowing), Call poison control or get medical help immediately
Most Important Symptoms: Redness, pain, nausea possible
Notes for Physicians: Treat symptomatically, Provide supportive measures as needed.

Fire-Fighting Measures

Extinguishing Media: Use carbon dioxide, dry chemical powder, or alcohol-resistant foam, Water spray only for large fires
Specific Hazards: Decomposition releases irritating and toxic fumes including nitrogen oxides, carbon monoxide
Firefighting Equipment: Fire fighters should put on self-contained breathing apparatus and full protective clothing
Flash Point: Over 100°C (estimated, specific testing advised)
Advice for Fire Responders: Avoid inhalation of combustion products, Keep containers cool with water spray, Dispose of fire runoff according to regulations.

Accidental Release Measures

Personal Precautions: Wear gloves, goggles, and a laboratory coat, Avoid contact with eyes, skin, and clothing, Ensure enough ventilation
Evacuation: Cordon off area in case of large spill, Alert local authorities if required
Environmental Precautions: Prevent entry into drains and surface waters, Dike spill if possible to limit spread
Cleanup Methods: Mop up with inert absorbent material (sand, vermiculite), Collect residue in tight containers for disposal, Clean affected area with soap and water, Ventilate room
Disposal of Collected Material: See disposal considerations for further instruction.

Handling and Storage

Handling: Do not breathe dust, mist, or vapor, Always wear appropriate protective equipment, Work in well-ventilated locations, Avoid eating or drinking near chemical use
Storage: Keep container tightly closed, Store in a cool, dry, well-ventilated place away from sources of ignition and incompatible chemicals
Compatibility: Keep from strong oxidizing agents and acids
Precautions for Safe Handling: Clean up spills immediately, Handle with care to avoid splashing or dust formation
Special Requirements: Store in labeled chemical-resistant container, Keep away from food and drink stocks.

Exposure Controls and Personal Protection

Exposure Limits: No exposure limits set by OSHA, ACGIH, or NIOSH
Engineering Controls: Use chemical fume hood or local exhaust, Ensure emergency eyewash and shower stations are accessible
Personal Protection: Wear laboratory gloves (nitrile preferred), Chemical splash goggles or face shield, Lab coat or apron, Closed-toe shoes
Hygiene Measures: Wash hands and face thoroughly after handling, Remove contaminated clothing and wash before reuse, Do not smoke or eat in work area
Respiratory Protection: Required in poorly ventilated or high-exposure settings, Use approved respirators designed for organic vapors.

Physical and Chemical Properties

Appearance: Pale yellow to colorless liquid or oil, Faint amine-like odor
Melting Point: Below 25°C
Boiling Point: 289°C (estimate, may vary by pressure)
Density: Approximately 0.96 g/cm³ at 20°C
Solubility: Only slightly soluble in water, Soluble in organic solvents like ethanol, acetone, and ether
Vapor Pressure: Very low at ambient temperature
Flash Point: Above 100°C
Viscosity: Moderate, flows well at room temperature
pH: Not applicable or slightly basic for dilute solutions
Partition Coefficient (Log Kow): Expected to be high due to alkyl chain
Other Data: Not corrosive to metals, Combustible under intense heat.

Stability and Reactivity

Chemical Stability: Remains stable in normal laboratory conditions for short and medium term
Conditions to Avoid: Keep away from strong sunlight, elevated temperature, open flames, static discharge
Incompatible Materials: Strong oxidizers (like peroxides, nitrates), Strong acids
Hazardous Decomposition Products: Formation of nitrogen oxides, imidazole derivatives, and carbon monoxide or dioxide when burned
Hazardous Polymerization: Will not occur spontaneously
Reactivity: Not highly reactive, react with acids or oxidants to produce hazardous gases.

Toxicological Information

Routes of Exposure: Inhalation, skin and eye contact, ingestion possible in laboratory accidents
Acute Toxicity: Estimated LD50 (oral, rat) around 600-1000 mg/kg, Harmful if swallowed in large amounts
Skin Irritation: May cause redness or mild dermatitis
Eye Irritation: Contact brings moderate discomfort or conjunctival redness
Sensitization: Not classified as a skin sensitizer, though repeated exposure may increase risk of reaction
Chronic Effects: No evidence for carcinogenicity or mutagenicity in standard references
Target Organs: Not known to target specific organs
Medical Symptoms: Red or sore skin, stomach discomfort or nausea from accidental ingestion
Additional Data: Please consult SDS for animal data or investigate with poison control for latest alerts.

Ecological Information

Eco-toxicity: Data specific to 1-Octylimidazole is limited, Structurally similar compounds can harm aquatic life even at low concentration
Aquatic Environment: Low solubility but long-chain imidazoles might bioaccumulate
Persistence and Degradability: Degrades slowly in cold or oxygen-poor environments, Faster in treatment plants with high microbial content
Mobility: Stays with particulates, Tends to remain near spill area unless carried away by solvents
Bioaccumulation Potential: Moderate to high due to hydrophobic long alkyl tail
Other Harm: Avoid releasing into rivers or municipal water.

Disposal Considerations

Waste Disposal Methods: Treat as hazardous organic chemical waste, Collect residues in tightly sealed containers labeled in accordance with waste regulations
Incineration: Send to licensed chemical waste incinerator equipped for halogen and nitrogenous compound scrubbing
Do Not: Pour down any drain, toilet, or into open environment
Container Disposal: Triple-rinse, remove labels, puncture and destroy following local guidance
Spill Cleanup Waste: Absorbent and spent material must follow same hazardous disposal path.

Transport Information

UN Number: Not specifically assigned for 1-Octylimidazole
Proper Shipping Name: Chemical, N.O.S. (imidazole derivative) if not specifically regulated in shipping
Hazard Class: Usually shipped as non-dangerous goods but check air or sea transport for updates
Packing Group: Consult latest transport regulations for container size and package requirements
Special Precautions: Protect containers from impact, Store upright and secure during transport, Keep away from food
Transport Labels: "Harmful" or "Irritant" stickers recommended for bulk shipments.

Regulatory Information

OSHA Status: Not regulated under specific OSHA standards but falls under general chemical safety law
TSCA Inventory: Confirm listing upon receipt, Import restrictions may apply
SARA 313: Not listed as a reportable toxic chemical
REACH: Registration or notification may be necessary in EU markets
State Regulations: Some US states demand reporting for lab or industrial use, Confirm latest requirements per region
WHMIS (Canada): Considered hazardous chemical requiring labeling and documentation in inventory
Labeling: GHS-aligned hazard statement, pictogram, and precaution wording mandatory for containers outside of active processing areas.