Sodium Metabisulphite Food Grade
CAS Registry Number: 7681-57-4 | Formula: Na2S2O5
Applications
Molecular Formula : Na2S2O5
Molecule Weight : 190.12
CAS NO .: 7681-57-4
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
|
Item |
Specification |
Test Result |
|
Purity(As Na2S2O5) |
≥97.0% |
≥98.0% |
|
Sulfur Dioxide(SO2) |
≥65.0% |
≥66.0% |
|
Arsenic(As) |
≤0.0001% |
≤0.0001% |
|
Heavy Metals(As Pb) |
≤0.0005% |
≤0.0004% |
|
Selenium(Se) |
≤0.0005% |
≤0.0005% |
|
Iron(Fe) |
≤0.002% |
≤0.0012% |
|
Water Insoluble |
≤0.05% |
≤0.02% |
|
PH Value |
4.0-4.8 |
4.5 |
Application:bleaching agent (such as candy, pastry, magnolia slices, etc.); leavening agent (such as bread, biscuits, etc.); preservative and bactericide (such as fruit juice, canned food, brewing, grain storage and preservation, etc.); antioxidant and fresh-keeping agent (such as enoki mushroom, seafood, fruits and vegetables, etc.).
Storage: Store in a dry and cool place.
Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.