Features:

1) Formula: C6H7KO2

2) Appearance: white to slightly yellow crystalline powder or granular

3) Content: 98.0%-102%

4) Water: 1.0% max.

5) Alkali: 1.0% max.

6) Acid: 1.0% max.

7) As: 3ppm max.

8) Heavy metals: 10ppm max.

9) Loss on drying: 1.0% max.

10) Standard: FCC IV

Inner packing:

25kg/braided or paper bag lined with PE plastic bag

Or according to buyers' requests