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);
IDENTIFICATION
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
PURITY
TEST REQUIREMENT RESULT
Assay Content % 99.0~101.0% 99.51
Loss on Drying(105℃,2h) % ≦1 0.023
Organic Impurities ug/g ≦20 <20
Impurity mg/kg ≦20 <20
Fluoride mg/kg ≦3 <3
Potassium % 17.0~21 17.99
HeavyMetals mg/kg ≦10 <10
Lead mg/kg ≦1 <1
Selenium mg/kg ≦30 <3
Sulphate % ≦0.1 <0.02
PH(1 in 100 solution) 6.5~7.5 6.99
Arsenic mg/kg ≦3 <3
Mercury mg/kg ≦10 None