CAS NUMBER
 

59-67-6 
 
 
 
 
INCI NAME
 

Niacin 
 
 
 
 
DEFINITION
 
A white, odorless or nearly so, fine granular crystal or crystalline powder. The product has been manufactured without the use of any excipients which yields a free-flowing product with excellent tabletting characteristics. 
 
 
 
 
SPECIFICATIONS
 

Appearance: White to light yellow, fine granular crystalline powder
 
Melting point: 234-238°F 

Loss on drying: 1.0% Maximum 

Sulphated ash (residue on ignition): 0.1% Maximum 

Chloride: 0.02% Maximum (220 ppm) 

Sulfate: 0.02% Maximum (220 ppm) 

Heavy Metals: 0.002% (20 ppm) 

Total ordinary impurities meets USP requirements 

Organic volatile impurities meets USP requirements 

Assay: 99.5-101.0% (dried) 
 
 


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