FORMULA:  C₄H₄NO₄KS

MOL. WEIGHT:       201.24

CAS NO.:     55589-62-3

DESCRIPITON:White, odourless, free flowing crystalline powder having an intensely sweet taste approximately 200 times sweeter than sucrose (3% solution);

TEST

REQUIREMENT

RESULT

Solubility in Water

Freely soluble

Freely soluble

Solubility in Ethanol

Slightly soluble

Slightly soluble

Ultraviolet Abserption

227±2nm

227±2nm

Test for Potassium

Positive

Positive

Precipitation test

Yellow Precipitate

Yellow Precipitate

TEST

REQUIREMENT

RESULT

Assay Content            %

99.0~101.0%

99.34

Loss on Drying(105??/span>,2h)  %

>1

0.14

Organic Impurities    ug/g

>20

<20

Fluoride           mg/kg

>3

<1

Potassium             %

17.0~21

18.72

HeavyMetals       mg/kg

>10

<5

Lead              mg/kg

>1

<1

Selenium          mg/kg

>10

<1

Sulphate              %

>0.1

<0.03

PH(1 in 100 solution)

6.5~7.5

6.63

Arsenic           mg/kg

3

<1

Mercury          mg/kg

span>10

None

TEST

REQUIREMENT

RESULT

Total Plate Count     cfu/g

>200

<10

Coliforms-MPN    MPN/g

>10

None

Yeast and Moulds    cfu/g

>100

<10

E.Coli

Negative

None

Salmonella

Negative

None