1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU)

   • CAS No.: 6674-22-2
   • Molecular Formula: C₉H₁₆N₂
   • Molecular Weight: 152.24 g/mol
   • Appearance: Colorless to pale yellow liquid
   • Solubility: Miscible with common organic solvents; limited solubility in water

Physicochemical Properties

• Boiling Point: ~260 °C (decomposes on prolonged heating)
• Melting Point: ~20–25 °C (batch-dependent)
• Density: ~1.02 g/cm³ at 20 °C
• Flash Point: >100 °C (closed cup) — handle per SDS guidance
• Refractive Index: ~1.47 (typical)

Purity & Quality Standards

• Purity: ≥ 98.0% (GC/HPLC typical)
• Analytical methods: GC / HPLC for identity and purity
• Supplied with COA, TDS and MSDS upon request
• Manufactured / tested under ISO quality systems (where applicable)

Key Applications

• Strong non-nucleophilic base for organic synthesis and lab-scale reactions
• Used in alkylations, eliminations, condensations and polymerization reactions
• Pharmaceutical intermediates and fine chemical manufacturing
• Catalysis and process chemistry where a sterically hindered base is required

Safety & Handling

Hazard Classification: Corrosive/irritant; strong base — handle with care

Signal Word: Danger / Warning (depend on local classification)

Hazard Statements (examples):

• May cause severe skin burns and eye damage
• Harmful if swallowed or inhaled — avoid exposure
• May cause respiratory irritation

Precautionary Measures: Use appropriate PPE (chemical-resistant gloves, eye/face protection, protective clothing). Handle in a well-ventilated area or fume hood. In case of contact or exposure, follow first-aid instructions from SDS.

Toxicological & Environmental Data

• Acute toxicity: See SDS for LD₅₀ references — avoid ingestion and prolonged exposure
• Skin & eye: Corrosive — risk of severe irritation or burns
• Aquatic toxicity: Harmful to aquatic organisms; avoid environmental release
• Biodegradability & bioaccumulation: Limited data; follow local disposal regulations

Storage & Packaging

• Packaging: Supplied in sealed drums, barrels or IBCs as agreed
• Storage: Store in tightly closed containers in a cool, dry, well-ventilated area
• Protect from moisture and incompatible materials (acids, oxidizers)
• Keep away from heat, sparks and open flames
• Shelf Life: Refer to COA / supplier guidance

Contact Information

Company: China Amines

Email: info@chinaamines.com

COA, MSDS, TDS and technical support available on request. Always consult the SDS before use.