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1,8-Diazabicyclo[5,4,0] undec-7-ene (DBU)
Basic information    
Product name 1,8-Diazabicyclo[5,4,0] undec-7-ene
CAS RN 6674-22-2
EINECS RN 229-713-7
Molecular structure
Molecular formula C9H16N2
Molecular weight 152.24
Quality index Appearance clear, colorless or light yellow liquid.
Assay ≥ 99%
Moisture ≤ 0.2%
Physical and Chemical Properties Density(20℃) 1.02g/ml
Refractive index (20℃) 1.5220
Melting point -70℃
Boiling point 261℃
Flash point 116℃
Water-solubility soluble in water easily
Security data Dangerous mark c
Dangerous category code R22,R35, R52/53  
Safety instruction S26,S36/37/39, S45
Transport Numbers of Dangerous goods 3267
Uses Main Uses: As a good acid stripping agent in drug synthesis for organic base. It can replace organic base such as triethylamine, N, N - dimethyl aniline, pyridine and quinoline, widely used in organic synthesis and semi-synthetic antibiotic, can offers a satisfactory effect in dehydrohalogenation reaction. It is widely used in the production of semi-synthetic cephalospor antibiotic drugs, i.e. under the presence of DBU, ammonia and dichloroethane can produce piperazine in the reactions. It also can be used in the curing agent of epoxy resin, antirust, or used to produce high slow corrosion inhibitor, or used in the catalysis of other chemical reactions. DBU sed in the production of semi-synthetic cephalospor antibiotic drugs, Also used in the preparation of acid stripping agent, antirust, top grade corrosion inhibitor, etc.
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