Product Overview
Description
Nicotinamide
Another Names: Niacinamide,Vitamin B3,Vitamin PP
CAS:98-92-0
EINECS:202-713-4
molecular structure:

Formula:C6H6N2O
Molecular Weight(mol.wt.):122.12
Melting Point(m.p.):128~131℃
Solubility: 1g is soluble in around 2ml water, 1.5ml ethanol or around 10ml glycerin. It's easily soluble in acetone, amyl alcohol, chloroform, propylene glycol, butanol. It is almost insoluble in ether and benzene.
Product Description: white crystalline powder or white granular powder; odorless or near odorless, bitter taste.
Package: 25kg/carton or drum.
Specifciation
Test Items
|
Specifications
|
Appearance
|
White crystalline powder
|
Identification
Test A ( IR)
Test B (UV)
|
The IR Absorption spectrum is concordant with the spectrum of reference standard
Ratio:A245/A262,between 0.63 and 0.67
|
Assay(HPLC)
|
Not less than 99%W/W and not more than101.5%W/W C6H6N2O, Calculated on the dried basis
|
Melting Range
|
128℃ - 131℃
|
Loss on Drying
|
≤0.5%
|
Heavy metals
|
≤0.003%
|
Ignition Residue
|
≤0.1%
|
Readily carbonizable substance
|
Test as per USP
|
Organic Volatile impurities
|
Test as per USP
|
Residual Solvents
|
Test as per USP
|
Storage: store in sealed container under cool and dry place.
Shelf Life: 36 Months
Attention: Keep off moisture.Use as soon as possible after opening.



