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Home > Products > inorganic chemical series > Industrial Grade & food grade Sodium Metabisulfite

Industrial Grade & food grade Sodium Metabisulfite

Basic Info

Model No.:  Food grade

Product Description

  • Model NO.: Food grade
  • Grade Standard: Food Grade
  • CAS No.: 7681-57-4
  • Application: Food additives, cleaning agent
  • market: worldwide
  • Trademark: CH
  • Specification: 99% min
  • HS Code: 2832100000
  • Appearance: Powder
  • MF: Na2S2O5
  • EINECS No.: 231-673-0
  • Sample: available
  • Inspection: SGS
  • Transport Package: 25kg/bag
  • Origin: China

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.
Specification For Food Grade and Industry Grade :

White powder sodium metabisulfite price 97% 


Item Food Grade Industry Grade
Purity ( As Na2S2O5)% 98min 97min
Sulfur Dioxide( SO2)% 65.0min 65.0min
Arssnic (As)% 0.0002max --
Heavy Metals (As Pb)% 0.0005max --
Selenium (As Se)% 0.0005max --
Iron (As Fe)% 0.001max 0.002max
Water Insoluble% 0.02max 0.05max
PH Value 4.0-4.8 4.0-4.8

Specification for Pharmaceutical Grade and Photo Grade  
Item Quality Index
Pharmaceutical 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 % max 0.05% max
Chloride ( As CL-) : 30 ppm max 50ppm max
Arsenic ( As ) : 1ppm max 1ppm max
Lead ( Pb ) : 1 ppm max 2ppm max
Copper (Cu) : 1 ppm max 1ppm max
Iron (Fe ) : 5 ppm max 5ppm max
Mercury (Hg) : 0.1ppm max 1ppm max
Chromium (Cr) : 1 ppm max -
Selenium (Se ) : 1 ppm max 5ppm max
Zinc (Zn) 1 ppm 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

(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..
Packing & Delivery

PACKING: 25kg pp bag or 1000kg jumbo bag

DELIVERY: 10-15days after received your prepayment or original LC


Q: Are you trading company or manufacturer of sodium metabisulfite price?
A: We are a trading company with a wide range products,and have good realationship with the factories.
Q: How long is your delivery time?
A: Generally it is 7-10 days, if we have stock. If not, maybe need 10-15 days to arrange the shipping.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: We can do TT payment, 100%LC at sight and DP.
If you have another question, pls feel free to contact us as below:

Industrial Grade & food grade Sodium Metabisulfite
Industrial Grade & food grade Sodium Metabisulfite
Industrial Grade & food grade Sodium Metabisulfite
Industrial Grade & food grade Sodium Metabisulfite
Industrial Grade & food grade Sodium Metabisulfite
Industrial Grade & food grade Sodium Metabisulfite

Contact us if you need more details on Sodium Metabisulfite. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Sodium Metabisulfite price、price of Sodium Metabisulfite. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : inorganic chemical series

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