Molecular Structure:

         
Molecular formula: C7H5NO4
Molecular Weight: 167.12
CAS NO: 89-00-9
SPECIFICATION:

ITEMS
 SPECIFICATION
 
APPEARANCE
 WHITE CRYSTALLINE POWDER
 WHITE CRYSTALLINE POWDER
 LIGHT YELLOW CRYSTALLINE POWDER
 
ASSAY
 99.5%MIN
(SEMI-CONDUCTOR GRADE)
 99%MIN
(MEDICAL GRADE)
 98%MIN
(INDUSTRIAL GRADE )
 
MOISTURE
 0.3%MAX
 0.3%MAX
 0.3%MAX