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TianJin TaoShi Chemical Industry Co.,Ltd
 
 
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Sodium Metabisulfite 64% 

  产品分类 : 化學->化學原料->重亞硫酸鈉

     
Sodium Metabisulfite 64%
 
 
         

  产品规格
 
Model No:    7681-57-4
  Country  CN
  Color  White or light yellow
  Packing  25kgs/50kgs net in plastic woven bag with PP lining load 25 MT in 20 FCL"
  Payment Term  T/T, L/C

 

  产品描述
   
  Sodium Metabisulfite 64%

Product details
Quick details:
Classification: Sulphate Type: Ammonium Sulphate CAS No.: 7681-57-4
Other Names: Sodium pyrosulfite, SMBS
Place of Origin: Tianjin China (Mainland)
MF: Na2S2O5 Purity: >98% for food grade >96% for industrial...
EINECS No.: 231-673-0
Grade Standard: Food Grade, Industrial Grade
HS Code: 2832100000
Appearance: White or light yellow crystal powder...

Packaging: 25kgs/50kgs net in plastic woven bag with PP lining load 25 MT in 20 FCL"

1. Both food & tech grade
2. Steady high quality
3.Nicest price &Good service
4. Prompt delivery

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.
Molecule Weight: 190.12

Specification For Food Grade and Industry Grade:

Item Quality Index
Food Grade Industry Grade
Purity ( As Na2S2O5) 98.0% min 96.0% min
Sulfur Dioxide( SO2) 65.0% min 65.0% min
Arsenic ( As ) 0.0002% max ---
Heavy metals ( As Pb ) 0.0005% max ---
Selenium (Se ) 0.0005% max ---
Iron (Fe) 0.001% max 0.002% max
Water insoluble 0.02% max 0.05% max
PH value : 4.0-4.8 4.0-4.8
Remark : Conformed with FCC V and E 223 Standard

Specification for Pharmaceutical Grade and Photo Grade:
Item Quality Index
Pharma ceutical Grade Photo Grade
Purity ( As Na2S2O5) 98.0%min 98.0%min
Sulfur Dioxide( SO2) 65.0%min 65.0%min
Thiosulphate ( As S2O3) 0.05%mn 0.05%min
Chloride ( As CL-) : 30pm max 50ppm max
Arsenic ( As ) : 1ppm max 1ppm max
Lead ( Pb ) : 1ppm max 2pm max
Copper (Cu) : 1ppm max 1ppm max
Iron (Fe ) : 5pm max 5pm max
Mercury (Hg) : 0.1m max 1ppm max
Chromium (Cr) : 1ppm max ---
Selenium (Se ) : 1ppm max 5m max
Zinc (Zn) 1ppm max 1ppm max
Cadmium (Cd ) 1ppm max ---
Nickel (Ni) 1ppm max ---
Na2SO3 + Na2SO4 1.5% max ---
PH value : 4.0-4.8 4.0-4.8
Remark : Conformed with USP standard

Application:
(1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.

   


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