sodium metabisulphite food grade

sodium metabisulphite food grade and industrial grade CAS # 7681-57-4 Hs Code:283111000 Quality are conformed:HG/T 2935-2006

                                                SODIUM METABISULPHITE FOOD GRADE

1. Molecular Formula : Na2 S2 O5

2. CAS# :          7681-57-4

3. HS Code:        28311000

4. Qualities are conformed to HG/T 2935-2006  

ITEMS	UNIT	SPECIFICATION
Purity	%min	96
As	(ppm) max	5
Fe	(ppm) max	50
Pb	(ppm) max	10
Cd	(ppm) max	10
PH		4-5
Water insolubles	(%)max	0.05

5. Packing :

Net 25kgs plastic woven bags with inner liner or as requested.

6. Storage:

   Sealed in cool dry place.

sodium metabisulphite food grade