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Published: 30/08/2018


CAS No.98-92-0
EINECS No.202-713-4
CharacteristicA white or almost white, crystalline powder or colourless crystals.
Molecular FormulaC6H6N2O
Molecular weight122.13
Shelf life36 months
Country of originChina
ApplicationsNutritional Vitamin


Identification(USP, FCC)(UV) 0.63 to 0.67
Identification(EP/BP)(TLC) Keep conformity with the standard.
Identification(IR) Keep conformity with the standard.
Assay(FCC)Titration 98.5% to 101.0%
Assay(EP/BP)Titration 99.0% to 101.0%
Melting point128 to 131°C
pH(EP/BP)6 to 7.5
Colour & Clarity of Solution(EP/BP)not more intensely coloured than reference solution BY7
Readily Carbonisable Substances(USP, FCC)not more coloured than matching Fluid A
Any impurity(EP/BP) Max:0.1%
Total Impurities(EP/BP) Max:0.2%
Loss on drying Max:0.5%
Residue on ignition Max:0.1%
Heavy metals(USP) Max:30ppm
Lead(FCC) Max:2ppm
Mesh Size(40 mesh sieve) Min:99
Packaging25kg carton/ composite paper bag


Total plate count Max:10000cfu/g
Yeasts & Moulds Max:1000cfu/g
SalmonellaNegative in 25g
Escherichia Coli Max:3MPN/g

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