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Niacin Acid/Vitamin B3

CAS number: 59-67-6

Molecular formula:

molecular weight:

Chemical structure:

Details

Product name:     Nicotinic Acid
Shelf life Three years
Inspection Standard:  USP34
Items Specifications Test method Results
Assay, % 99.0-101.0 UV 99.7
Identification A Conform IR Conform

Identification B

(Ratio:A237/A262)

0.46-0.50 UV 0.47
Loss on drying,% ≤ 1.0 Air dry oven 0.19
Residue on ignition ,% ≤0.1

High

temperature

ignition

0.02
Chloride,% ≤0.02 Colorimetry <0.02
Sulfate,% ≤0.02 Colorimetry
Heavy metals,% ≤0.002 Colorimetry
Ordinary impurities Conform TLC Conform
Conclusion : This material complies with USP34