skin whitening cas 98 92 0 vitamin b3 niacinamide cosmetics grade nicotinamide powder

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Product Overview

Description


 


Nicotinamide

 

Another Names: Niacinamide,Vitamin B3,Vitamin PP 

CAS:98-92-0

EINECS:202-713-4

molecular structure:

Cosmetic bulk nicotinamide powder 99% vitamin b3 niacinamide for skin whitening


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.

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0.1441 s.