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metabisulfitedesodium/Sodium Metabisulphite/as food preservatives and decolorizer

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metabisulfitedesodium/Sodium Metabisulphite/as food preservatives and decolorizer

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metabisulfitedesodium/Sodium Metabisulphite/as food preservatives and decolorizer

Sodium Metabisulfite (SMBS)

Market price Sodium Metabisulfite /sodium meta bisulfite factory (SMBS)

Sodium Metabisulfiate(SMBS) is mainly used as reduction agent. Furthermore, sodium metabisulfite is ideal for the bleaching of vegetable fibers and textile, for the production of solutions, which are used in the developing of photos and films as well as for the treatment of tanning agents in dyeing of textiles. ChoiceChem offers different grades’ sodium metabisulfite, all meeting highest quality standards.

1. Chemical Analysis-Sodium Metabisulfiate(SMBS)

Component	Range	Typical
Assay(Na₂S₂O₅ )	96.0% min.	97.5%
Iron content(base on Fe)	0.005% max.	0.002%
water insoluble matter	0.05% max.	0.02%
Arsenic content(base on As)	1 ppm max.	1ppm
Pb	10 ppm max.	5ppm
Appearance	White or yellowish crystalline powder
Test Standard	Food Grade: GB 1893-2008
Test Standard	Industrial Grade: HG/T2826-1997

2. Application-Sodium Metabisulfiate(SMBS)

Industrial Uses
Water Treatment	Eliminating dissolved oxygen in waste water and in pipes; Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial. Sodium metabisulfite is used in water treatment plants to remove excess chlorine.
Bleaching Agent	Sodium metabisulfite's functions as a bleaching agent, which is useful in making paper pulp, cotton and wool.

Industrial Uses

Water Treatment

Eliminating dissolved oxygen in waste water and in pipes;
Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial.
Sodium metabisulfite is used in water treatment plants to remove excess chlorine.

Bleaching Agent

Sodium metabisulfite's functions as a bleaching agent, which is useful in making paper pulp, cotton and wool.

Food Preservative
Antimicrobial	Sodium metabisulfite is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. Sodium metabisulfite acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe.
	In beer and wine manufacturing, sodium metabisulfite is used as both a sterilizer and an antioxidant in the process of brewing beer or fermenting wine.

Other Uses
Medicinal	Sodium metabisulfite is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals.
Photographic and film industry	For preparing developer solutions, for acidifying fixing baths (photo grade).
Landscape Gardening	Sodium metabisulfite used in landscape gardening as a tree stump remover, as it disintegrates the lignin -- chemicals in plant cell walls -- in the tree stumps, making them easier to remove.
Fiber Industry	In the sulphitisation of tanning extract.
Gold mining	For bleaching ground wood, as an antichlor.

3. Transportation Information:-Sodium Metabisulfiate(SMBS)

DOT Classification:	Not a DOT controlled material
U.N.	Not applicable.
Packing Group:	Not applicable.

4. Storage & Handing-Sodium Metabisulfiate(SMBS)

(1). Precautions:

Keep locked up.
Do not ingest.
Do not breathe dust.
Avoid contact with skin.
Wear suitable protective clothing.
In case of insufficient ventilation, wear suitable respiratory equipment.
If ingested, seek medical advice immediately and show the container or the labels.
Keep away from incompatibles such as oxidizing agents, acids.

(2). Storage:

Not allowed in room with any oxidant or strong acid, and keep away from an oxidation by air or humidity.
Sodium Metabisulphite should NOT store for long time. DO NOT mix with inflammable substances, gasoline and oxidants.
During transportation, keep away from direct sunlight and humidity.

5. Packing-Sodium Metabisulfiate(SMBS)

In net 25kg / 1000kg / 750kg / 1250kg pp bags
Packing with pallets ( per customer's requirements )
27MT/20’FCL

CAS RN.:	7681-57-4
EINECS:	231-673-0
H.S.CODE:	2832.1000.00

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