|Place of Origin:||Hunan|
|Minimum Order Quantity:||1 metric ton|
|Price:||usd 280-320 per metric ton|
|Packaging Details:||25 kgs bag,1000 kgs big bag|
|Delivery Time:||5-8 days|
|Payment Terms:||T/T , L/C|
|Supply Ability:||3000 tons per month|
|Other Name:||Sodium Pyrosultite||Color:||White Or Light Gray|
|Situation:||White Crystalline Powder||Shelf Life:||One Year|
|Grade:||Industry Grade||Packing:||25 Kgs Plastic Woven Bag/1000 Kgs Jumbo Bag|
sodium metabisulphite industry grade
CAS NO 7681-57-4 Na2S2O5 Sodium metabisulfite
1. Chemical formula:Na2S2O5
2. Standard:Industrial Grade:HG/T2826—2008,Food Grade:GB1893—2008 Physical appearance:White or slightly yellow crystal powder.
3. Package:Compound plastic woven bag with polyethylene liner, net weight 25kg or 50kg each.
4. Notice: Store it in aeration and shady place . Not put it together with strong acids, oxidants. Avoid the
wrappage being perforated and prevent from water and moisture when conveyed. Exposure to moisture
will make it to be oxidized easily to release SO2. Do not store it for long time.
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 Pharmaceutical Grade and Photo Grade
(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.
Specification For Food Grade and Industry Grade :
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.
Storage: Store the product in a dry and cool place.
Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.
Contact Person: Ms.xie