Potassium Metabisulfite - Food grade 100g
 
 
Potassium MetabisulfiteSpecs:
Formula:      & #160;    K2O5S2
Molar mass:  222.31 g·mol−1
Melting point:  190°C
Density:      & #160;    2.34 g/cm3,solid
 
Used as a food preservative - E224 .
 
Grade Definitions
Technical (Tech) grade - For general purpose use where a guaranteed specification is not required.
AR Grade - Suitable for laboratory and general use.
Food Grade – Suitable for food use and consumption (May have stabilisers added)