Vijay Enterprises

Grade

:

Food Grade

Chemical Formula

:

Na₂S₂O₅

CAS Number

:

7681-57-4

E Number

:

E223

Appearance

:

White, fine crystalline powder.
Free from any extraneous material

Odour

:

Faint smell of SO₂ Gas

Solubility

:

Soluble in cold water

Matter insoluble in water

:

< 0.1%

Assay (as Na₂S₂O₅)

:

> 95%

Assay (as SO₂)

:

> 63%

pH (10% solution)

:

4.0 - 4.5

Iron

:

< 20 mg/Kg

Arsenic

:

< 3 ppm

Lead & other heavy metals

:

< 20 ppm

Storage

:

Store at room temperature at dry place

Packaging

:

25 Kg Polyethylene lined HDPE bags

Grade

:

Food Grade

Chemical Formula

:

K₂S₂O₅

CAS Number

:

16731-55-8

E Number

:

E224

Appearance

:

White, fine crystalline powder.
Free from any extraneous material

Odour

:

Pungent (SO₂ Gas)

Solubility

:

Soluble in hot and cold water. Insoluble in alcohol

Matter insoluble in water

:

< 0.1%

Purity (as K₂S₂O₅)

:

> 90%

Presence of Na₂S₂O₅

:

< 5%

Moisture Content¹

:

< 5%

pH (10% solution)

:

4.3 – 4.7

Iron

:

< 25 mg/Kg

Arsenic

:

< 3 ppm

Lead & other heavy metals

:

< 20 ppm

Storage

:

Store at room temperature at dry place

Packaging

:

50 Kg Drums