SMBS (First-Class Food Grade)
SODIUM METABISULPHITE – E223 SMBS (First-Class Food Grade)
Product Name | Sodium Metabisulphite | |
Formula | Na2S2O5 | |
Molecular Weight | 190.10 | |
CAS No. | 7681-57-4 | |
HS CODE | 2832.10 | |
Parameter | Kayon Standard Value | Analytical Method |
Appearance | White Crystalline Power | Visual |
Odor | An odor of Sulfur Dioxide | Smell |
Purity(Na2S2O5) | 98.0 % min. | Titrimetric |
SO2 | 66.0 % min. | Titrimetric |
Na2SO4 | 2.0 % max. | Turbidimetric |
Iron(Fe) | 5.0 ppm (mg/kg) max. | Colorimetric |
Lead(Pb) | 5.0 ppm (mg/kg) max. | Polarographic/AAS |
Arsenic(As) | 1.0 ppm (mg/kg) max. | Polarographic/AAS |
Insolubility | None | Gravimetric |
pH (5% solution) | 4.0-4.8 | pH Meter |
Chloride(Cl) | 0.02 % (m/m)max. | Titrimetric |
Cadmium(Cd) | 1.0 ppm (mg/kg) max. | Polarographic/AAS |
Selenium(Se) | 0.5 ppm (mg/kg) max. | AAS |
Mercury(Hg) | 0.1 ppm (mg/kg) max. | Polarographic/AAS |
In 25kg Polyethylene bags, resistant to moisture, air and physical damage
(1) As a preservative and antioxidant in food industries |
(2) Mainly used in Gold, Cobalt, Copper, Zinc mining industries |
(3) Color removing in paint and leather industries |
(4) As a bleaching agent in textile industry |
(5) Antiseptic in production of cellulose esters |
(6) Main raw material in production of sodium hydrosulfite, aromatic alcohols and aldehydes |
(7) Disinfectant in cosmetic industry |
(8) Various applications in paper, fiber, rubber and adhesive industries |
It should be stored in a dry and closed area avoiding air. Due to the decomposition, it loses its activity gradually. |
According to Sodium Metabisulphite natural property, the phenomenon of Pseudo Caking is normal. |