weifang xinganghengrui import and export co. ltd is specializing in the productionof chemical product, known for the excellent quality and dedicated service. |
physical and chemical properties:
white grain or crystalline powder ,odorless or with little benzoin smell. sodium benzoate for food additive is antiseptic, anti-animalcule and antifreezing agent used in food, medicine, tobacco, plating
quality specification :
item |
food grade |
content(base on c7h5nao2 dry basis),% |
99.0-100.5 |
drying loss,% |
1.5 |
dissolve |
meet the stipulation |
transparency and color |
/ |
alkalinity acidity; |
meet the stipulation |
cchloride (base on cl), |
500ppm |
heavy metal(base on pb), |
10ppm |
as(base on as), |
2ppm |
sulfate (base on so4), |
1000ppm |
readily oxidizable substance |
passed the test |
o-benzene tricarbonic acid |
passed the test |