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Product Name: 18-Diazabicyclo[5.4.0]undec-7-ene
Synonyms: DBU
CAS Number: 6674-22-2
Recommended Use: Organic base; chemical reagent
Supplier Details: Name, address, contact number of manufacturer or distributor
Emergency Phone: 24-hour emergency response number
Product Code: Internal tracking for product batches
UN Number: 2929
Molecular Formula: C9H16N2
Molecular Weight: 152.24 g/mol
GHS Classification: Acute Toxicity (Oral, Category 4); Skin Corrosion/Irritation (Category 1B); Eye Damage (Category 1); Specific Target Organ Toxicity, Single Exposure
Hazard Statements: Harmful if swallowed; Causes severe skin burns and eye damage; May cause respiratory irritation
Pictograms: Corrosive, Exclamation Mark
Signal Word: Danger
Precautionary Statements: Wear protective gloves, eye and face protection; Wash hands thoroughly; Do not eat, drink or smoke during use; IF INHALED: Remove person to fresh air; IF ON SKIN: Rinse with plenty of water
Routes of Exposure: Inhalation, skin, eyes, ingestion
Symptoms of Exposure: Burning of skin and mucous membranes, headache, nausea, coughing, respiratory discomfort
Chemical Name: 18-Diazabicyclo[5.4.0]undec-7-ene
Synonym(s): DBU
PURITY: ≥98%
CAS Number: 6674-22-2
EC Number: 229-713-7
Hazardous Components: DBU (100%)
Inhalation: Move person to fresh air, keep at rest, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, rinse skin under running water for 15 minutes, seek immediate medical help
Eye Contact: Rinse eyes with water for at least 15 minutes, hold eyelids open, get medical attention
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical advice
Most Important Symptoms: Severe eye and skin irritation, burns, inhalation damage
Note to Physicians: Treatment based on symptoms, monitor for delayed effects
Suitable Extinguishing Media: Carbon dioxide, dry chemical, alcohol-resistant foam, water spray
Unsuitable Media: Do not use high-pressure water jet
Hazards Arising from Combustion: Toxic fumes of carbon oxides, nitrogen oxides
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus
Specific Methods: Remove containers from fire area if safe, cool with water spray, prevent runoff
Explosion Hazards: Vapors may form explosive mixtures with air if heated
Personal Precautions: Evacuate area, provide adequate ventilation, wear appropriate personal protection
Environmental Precautions: Prevent further leakage or spillage, do not release into drains, soil, or waterways
Cleanup Methods: Absorb spill with inert material such as sand or earth, collect into suitable container, dispose of according to local regulations
Decontamination: Wash the contaminated area with water, ventilate the area
Notification: Inform authorities if significant spillage enters water sources or soil
Precautions for Safe Handling: Avoid contact with skin, eyes, and clothing, avoid inhalation of vapors, only use in well-ventilated area, never pipette by mouth
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing immediately
Conditions for Storage: Keep in tightly closed original container, store in cool, dry, well-ventilated place, keep away from acids, oxidizing agents, moisture; avoid heat sources
Incompatibilities: Strong acids, oxidizers, moisture
Packaging Materials: Use compatible, corrosion-resistant containers and labels
Control Parameters: No established occupational exposure limit (check local authority guidelines)
Engineering Controls: Use chemical fume hood, ensure good room ventilation, emergency eyewash and shower stations
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), safety goggles or face shield, lab coat or apron, suitable respiratory protection if airborne exposure likely
Environmental Exposure Controls: Prevent chemical from entering drains, soil, or water systems
Appearance: Clear colorless to pale yellow liquid
Odor: Pungent, amine-like
pH: Alkaline (strong base in water)
Melting Point/Freezing Point: -70°C
Boiling Point: 261°C
Flash Point: 97°C (closed cup)
Evaporation Rate: No data available
Flammability: Not highly flammable, but combustible
Vapor Pressure: 0.24 mmHg at 25°C
Vapor Density: 5.3 (air = 1)
Solubility: Miscible with water, soluble in most organic solvents
Partition Coefficient (Log Pow): -0.41
Viscosity: No data available
Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: Reacts with acids, acid chlorides, and oxidizing agents with possible heat and gas generation
Conditions to Avoid: Heat, naked flames, moisture, incompatible substances
Incompatible Materials: Strong acids, oxidizing agents, acid chlorides
Hazardous Decomposition Products: Nitrogen oxides, carbon oxides, toxic fumes
Acute Toxicity: Oral LD50 (rat): 472 mg/kg
Inhalation: May cause respiratory tract irritation, coughing, shortness of breath
Skin Corrosion/Irritation: Causes severe burns
Eye Damage/Irritation: Causes severe eye damage
Chronic Effects: Prolonged or repeated exposure may cause dermatitis
Sensitization: No reliable studies indicating skin sensitization
Mutagenicity: No positive mutagenicity data
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, OSHA
Reproductive Toxicity: No reliable evidence for reproductive toxicity
Target Organs: Skin, eyes, respiratory system, gastrointestinal tract
Ecotoxicity: Harmful to aquatic organisms at high concentrations
Aquatic Toxicity: No specific data, but similar strong bases can raise pH and affect aquatic life
Persistence and Degradability: Readily biodegradable under environmental conditions
Bioaccumulative Potential: Low log Kow suggests limited risk of bioaccumulation
Mobility in Soil: Readily miscible with water, expected to be mobile
Other Effects: May alter pH of water bodies, harming organisms
Waste Treatment Methods: Dispose of in accordance with local, state, and federal regulations
Product Disposal: Dilute and neutralize with care, then dispose as hazardous waste
Contaminated Packaging: Empty containers may contain residue, dispose safely after triple-rinsing
Special Precautions: Do not allow large spillages to reach natural water sources, avoid release to environment
UN Number: 2929
UN Proper Shipping Name: Toxic liquid, corrosive, organic, n.o.s. (18-Diazabicyclo[5.4.0]undec-7-ene)
Transport Hazard Class: 6.1 (Toxic), 8 (Corrosive)
Packing Group: II
Labels: Toxic, Corrosive
Environmental Hazards: Not classified as marine pollutant
Special Precautions for Transport: Secure and label containers correctly, provide proper documentation
OSHA Status: Hazardous chemical according to OSHA Hazard Communication Standard
TSCA Status: Listed on the U.S. Toxic Substances Control Act inventory
REACH Status: Registered under EU REACH regulation
SARA Title III Sections 302/311/312/313: Not listed as reportable under U.S. SARA Title III
DSL/NDSL (Canada): Listed/checked
Other Regulatory Information: Country-specific restrictions or occupational exposure standards may apply, follow local and national guidelines
Labeling: Comply with chemical labeling, hazard communication, and shipping requirements
