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BENZOIN

 
Synonyms 2-Hydroxy-2-phenylacetophenone; 2-Hydroxy-1,2-Diphenylethanone
CAS No 119-53-9
Molecular Weight 212.12
Molecular Formula (C6H5)COCH(OH)(C6H5)
 
Specification
Unit
Typical Value
Appearance -
Off-white, light yellow powder
Assay Wt %
99.50 Min
Volatiles Wt %
0.5 max
Ash Wt %
0.1 max
Melting Point °C
134 – 137
 
Chemical and Physical Properties   

Odor Slight camphor odor
Boiling Point 344°C
Solubility in Water Slightly soluble
Specific Gravity 1.31
 
Application

It is used as an intermediate for organic synthesis, as anticratering / leveling agent for powder coatings, and for various preparations as an antiseptic and protective agent. It is a common ingredient in vaporizer fluids marketed for inhalation. It is the raw material to produce Benzoin esters or Benzil ketals which are photoinitiators, widely applied in UV curing inks, wood coatings, paper coatings, optical fiber, PCB, screen printing , paper varnish and other surface coatings.
 
Caution for Storage

Store dry on pallets, not exposed to heating or direct sunlight, at adequately ventilated area.
 
Packaging Kraft paper bags, 25kg net.

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