Sodium Metabisulfite

Sodium Metabisulfite 


Detailed Product Description

 97%,97.2% ,98% Sodium Metabisulfite

1.Color:light yellow or white fine crystal

2.Purity: 97%,97.2% ,98%

3.Packing:25kg/50kg bag or pallet avaliable.

99.3% Industrial  Grade Sodium Metabisulfite


Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,

relative density is  1.4, easy to dissolve in water and glycerin, water solution.

It has acidity,and its solubility will become large while raising the temperature

and is less to dissolve in ethanol. Molecular Formula :  Na2S2O5


Molecule Weight :  190.12  

CAS NO .:  7681-57-4 

Appearance : White Free Flowing Fine Crystal or Powder

Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag,

500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

CAS RN.:

7681-57-4

EINECS:

231-673-0

H.S.CODE:

2832.1000.00


1. Food additive
It is used as a preservative and antioxidant in food and is also known as E223.

It may cause allergic reactions in those who are sensitive to sulfites, including respiratory reactions in asthmatics, anaphylaxis and other allergic reactions in sensitive individuals.

Sodium metabisulfite and potassium metabisulfite are the primary ingredients in Campden tablets, used for wine and beer making.

The acceptable daily intake is up to 0.7 milligrams per kilogram of body weight. Sodium metabisulfite oxidizes in the liver to sulfate which is excreted in the urine.

 

2. Sanitization and cleaning agent
It is commonly used in homebrewing and winemaking to sanitize equipment. It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment.

3.Other uses

 

 

ITEM

Quality  Index

STANDARD

result

Na2S2O5

(calculated by dry base) %

96.5

97.2

Fe

(calculated by dry base) %

0.003

0.002

 Water insoluble matter

(calculated by dry base) %

0.05

0.03

Have metal

(calculated by dry base) %

            ≤0.0005

0.0004

ARSENIC

 (calculated by dry base) %

0.0001

0.0001

PH(5% water soluble)

4.72

Package and Trade mark

By woven plastic bag out , and white plastic bag inner

Result

qualified

Remark


t01f49ee04e371638bc.jpgt013ac1a845e3b2a8ec.jpgt01560b9ea3f11fa607.jpgt0148200aa49dd6b6ba.jpg


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