POTASSIUM METABISULFITE FOOD GRADE

La description

POTASSIUM METABISULFITE Basic information

executive standard: european food grade  potassium metabisulfite E**4
molecular formula: K2S2O5=**2.**6
molecular weight: **2.*3

Synonyms:dipotassiumdisulfite;dipotassiummetabisulfite;Disulfurousacid,dipotassiumsalt;potassiummetabisulphate;pyrosulfurousacid,dipotassiumsalt;POTASSIUM PYROSULFITE;POTASSIUM M-BISULFITE;POTASSIUM METABISULFITE

MF: K2O5S2
MW: **2.*2
EINECS: ********3
Product Categories: Inorganics
Mol File: *********8.mol

 
POTASSIUM METABISULFITE Chemical Properties
mp  **0°C
solubility  H2O: 0.1 M at *0 °C, clear, colorless
 
Merck  *4,***5
 
Safety Information
Hazard Codes  Xi
Risk Statements  ****6/*7/*8
Safety Statements  ****6
WGK Germany  1
 
RTECS  TT******0
 
F  *3

Product characteristics:
The Product was with the relative density of 2.*4 .The melting point was ******0 ℃ (decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.

Product usage:
the product was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.