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  • Shanghai Fine Chemicals Co.,Ltd
  • Shanghai Fine Chemicals Co.,Ltd
  • Shanghai Fine Chemicals Co.,Ltd
  • Shanghai Fine Chemicals Co.,Ltd
  • Shanghai Fine Chemicals Co.,Ltd
  • Shanghai Fine Chemicals Co.,Ltd
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Niacin/Niacinamide
 Testing Items                               Specification
 

APPEARANE

WHITE CRYSTALLINE POWDER

IDENTIFICATION

(1)UV ABSORPTION

CONFORMS

(2)IR ABSORPTION

IDENTICAL WITH THE SPECTRUM OBTAIN WITH NICOTINAMIDE CRS

TESTS

RESIDUE ON IGNITION

0.1% MAX

HEAVY METALS

0.003% MAX

LOSS ON DRYING

0.5% MAX

MELTING RANGE

128-131

READILY CARBONIZABLE

CONFORMS

ASSAY

BASIS ON DRIED, IT CONTAINS NOT

LESS THAN 98.5% AND NOT MORE

THAN 101.5% OF NICOTINAMIDE

 
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