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Sodium Metabisulfite Tech Grade

China Sodium Metabisulfite Tech Grade, Find details about China Sodium Pyrosulfite, Sodium Metabisulfite from Sodium Metabisulfite Tech Grade

Model NO.
Tech grade
Appearance
Powder
Grade Standard
Industrial Grade
Trademark
TAINUO
Transport Package
PP/PE Wovon Bag
Specification
96.5%
Origin
China
HS Code
2832100000
Model NO.
Tech grade
Appearance
Powder
Grade Standard
Industrial Grade
Trademark
TAINUO
Transport Package
PP/PE Wovon Bag
Specification
96.5%
Origin
China
HS Code
2832100000
Product Description
Sodium metabisulfite industrial grade used for alkyl spice aldeheyde in spice industry


Sodium Metabisulfite Tech Grade
 
  1. Description
NameSodium Metabisulfite
Molecular formulaNa2S2O5
Molecular weight190.09
Executive standardHG/T 2826-2008
CAS NO.7681-57-4
EINECS NO.231-673-0
AppearanceWhite or yellowish crystal powder
Density1.48g/cm3
Melting point170ºC
OdorStrong SO2 odor
SolubilitySoluble in water and acidic in aqueous solution
PropertyWhen exposed to strong acid,it emits SO2 to form corresponding salts.When exposed to air for a long time,it oxidizes to Na2S2O4,so the product can not last forever.SO2 is decomposed when the temperature is higher than 1500ºC.
 
    2.Specification
ItemIndex
Superior qualityFirst class
Main content(Na2S2O4),% ≥96.595
Iron(Fe),% ≤0.0050.01
Water-insoluble,% ≤0.050.05
Arsenic(As) ,% ≤0.0001---
     
       3. Uses
1)  Printing and dyeing mordant
2)  Antichlor in after fabric bleaching
3)  Chemical and medicine reducer and sulfonating agent
4)  Bleaching agent of bamboo
5)  Wood and paper fiber
6)  Nonferrous metal dressing agent
7)  Waste water finishing agent
8)  Rubber coagulator
9)  Alkyl spice aldeheyde in spice industry
10)  Depilating agent
11)  Softening agent and anti-wear agent in leather industry
12)  Reducer of developer and protective agent of fixative in sensitization industry

       4.Packing and Transport
Packing:25/50/1000kg bag
Transport: should be protected from rain and sunlight.It is strictly prohibited to store and transport with acids,oxidants and harmful and toxic substances.
Storage: Should be stored in a dry,clean warehouse.The package should be sealed to prevent air oxidation.Guard against moisture.

Sodium Metabisulfite Tech Grade

 




 


 

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