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L-THEANINE - DFI-065732

Published:21/06/2019

Description

Country of originChina
Shelf lifeMax 24 months
AppearanceWhite crystalline powder
Formula(Molecular)C7H13N2O3
CAS No.3081-61-6
Molecular weight174.2

Specification

Specific Rotation [ᄀ]D20+7.5 to +8.5°
Assay98.0-102.0%
Melting point200°C to 210°C
Chloride (Cl)<=0.02%
Iron (Fe)<=10 ppm, mg/kg
Heavy metals<=10 ppm, mg/kg
Arsenic<= 1 ppm, mg/kg
Moisture<=1.0%
Residue on ignition<= 0.2%
pH5.0-6.0
Mesh SizeAbout 90% through 60 mesh
Lead<=1 ppm, mg/kg
Cadmium<=0.3 ppm, mg/kg
SolubilityFreely soluble in water, insoluble in EtOH
Ethyl Alcohol<=3000 ppm
Mercury<=0.1 ppm

Microbiological

Total plate count<=1000 cfu/g
Yeasts<=100 cfu/g
Moulds<=100 cfu/g
Escherichia ColiNegative
SalmonellaNegative

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