Sodium metabisulfite 97%

Sodium metabisulfite97% 1.Competitive price& quality 2.prompt delivery 3.perfect after-sale service

Sodium  metabisulfite 97%

Another Name: sodium metabisulfite na2s2o5CAS No.: 7681-57-4 Molecular Formula: Na2S2O5

1) Specification:

Item	Specification
	Food Grade	Tech Grade
Appearance	White or Slightly Yellow Crystalline Powder
Content	97.0% Min	97.0% Min
SO2	65.0% Min	65.0% Min
Na2S2O4	2.0% Max	2.0% Max
Insolubles In Water	0.05% Max	0.05% Max
Particle Size	85% (Mesh 200)	85% (Mesh 200)
pH	4.5 -5.5	4 -4.6
Fe	5ppm max	5ppm max
Heavy Metal	10 ppm max
As	1 ppm max

2)Packing: 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement, and one container load 25MT.

3) Applications: as preservative, bleach or loosener for food

Sodium metabisulfite 97%