Tangshan Huizhong Chemical Industry Co., Ltd.

Sodium Metabisulfite,Sodium Bisulfite,Sodium sulfite,Magnesium Sulphate
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Sodium Metabisulphite

Price:
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Min.Order:
25 Metric Ton/Metric Tons
Place of Origin:
China (Mainland)
MF:
Na2S2O5
Application:
preserving foodstuffs, drinking wa...
Port:
tianjin port,china
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Enterprise Certifiation

Tangshan Huizhong Chemical Industry Co., Ltd.
China (Mainland) China (Mainland)
2004
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Products details

Item specifics

  • Place of Origin: China (Mainland)
  • MF: Na2S2O5
  • Application: preserving foodstuffs, drinking wa...
  • Port: tianjin port,china
  • Purity: 97%
  • Other Names: Sodium Pyrosulfite
  • Grade Standard: Food Grade
  • Model Number: HZ 201007
  • Appearance: White to white yellow free flowing ...
  • EINECS No.: 231-673-0
  • Payment Terms: L/C,D/A,D/P,T/T
  • Brand Name: Huizhong
  • white or light yellow crystalline power: Na2S2O...
  • Supply Ability: 3000 Metric Ton/Metric Tons per Month
  • Classification: Other Inorganic Salts
  • CAS No.: 7681-57-4

Specifications

SODIUM METABISULFITE
NaS2O5: 96.5%min.
Fe: 0.003%max.
Water insoluble: 0.05%max.
Heavy metal: 0.0005% max As: 0.0001%max

Sodium Metabisulfite 7681-57-4

 

Chemical Name: Sodium Metabisulfite / Sodium Metabisulphite / Sodium Disulfite / Sodium disulphite / Sodium pyrosulfite / sodium pyrosulphite

Chemical Formular: Na2S2O5

Molecular Wegight: 190.13

CAS No.: 7681-57-4

 

Specification:

Purity (Na2S2O5)

Iron (Fe)

Heavy metal (Pb)

Water Insoluble

Arsenic (As)

PH value

96.5% min

0.003% max

0.0005% max

0.05% max

0.0001% max

4.0-4.6

 

Typical Physical Properties                                                                                                            

-    Sodium Metabisulfite is a white to slightly yellowish, crystalline powder with a odour of sulfur dioxide. Content of SO2 at least 65%

 

Application                                                             

In the chemical and pharmaceutical industries for various purposes , e. g. as a reducing agent, for purifying and isolating aldehydes and ketones. For destroying waste bromine.
In drinking water treatment to remove excess chlorine. In the treatment of wastewater, e. g. from electroplating plants, to neutralize chromic acid; to remove excess chlorine in the neutralization of cyanide. In special cases to remove oxygen from boiler feed water.
For cleaning and bleaching wool, jute, and other vegetable fibres.
In the paper and pulp industry for bleaching ground wood.
Sodium Metabisulfite photo grade in the photographic and film industry for preparing developer solutions, for acidifying fixing baths.
Sodium Metabisulfite food grade : For preserving foodstuffs . As anti-melanosis additive for sea food.

 

Packing                                                                

in pp bag of 25kg net each, with separate inner PE liner (Qty: 25mt/20'FCL)

in pp bag of 1250kg net each, with separate inner PE liner (Qty: 25mt/20'FCL)

in pp bag of 1000;1100;1200kg net each, with separate inner PE liner (Qty: 25mt/20'FCL)

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