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          Photoinitiator 819

          First, the basic chemical information
          1, Product name: photoinitiator 819 
          2, Chinese name: phenyl bis (2,4,6-trimethylbenzoyl) phosphine oxide 
          3, English name: Phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide 
          4, Molecular formula: C26H27O3
          5, Molecular weight: 418.46 
          6, CAS number: 162881-26-7 

          Second, physical and chemical parameters 
          1, Appearance : yellow powder 
          2, Density: 1.19 g / cm3
          3, Melting point: 127 ~ 131.5 ° C 
          4, Boiling point: ≥ 168 ° C 
          5, Content: ≥ 98% (liquid chromatography) 
          6, Vapor pressure: 5 × 10-10 kPa (25 ° C)    
          7, UV absorption peak: 295 , 370nm 
          8, Uses: for UV curing varnish and paint system, such as wood, paper, metal, plastic, optical fiber and printing inks and prepreg systems. 
          9, packaging: 20KG cardboard drum or box

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