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Hexamethyldisilylurea CAS:18297-63-7 (BSU )
2023-11-10 16:29:23

Specification

Melting point 219-221 ° C (lit.)
Boiling point 222 ° C
Density 0.887
Vapor pressure 0.002-1850Pa at 25 ℃
Flash point 65 ° C
Storage conditions Inert atmosphere, Room Temperature
Soluble 100mg/mL, clear to slightly hazy, colorless to light yellow
Form solid
Acidity coefficient (pKa) 16.51 ± 0.46 (Predicted)
Color White to Most white
Reacts with water solubility
Sensitivity
Hydrolysis sensitivity 7: Reacts slowly with moisture/water

Applications

It is an excellent silanization reagent that can replace active hydrogen atoms in organic molecules with trimethylsilicon atomic groups. This product is β- The most ideal silane protecting agent in the synthesis of lactam antibiotics. Silanization reagents can be used in the production of cephalosporin IV and cephalosporin VI.

 
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