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Sodium Metabisulfite Cas Number 7681 57 4 , Sodium Metabisulfite Uses In Water Treatment 

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NINGBO SOURCECHEM CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-0574-86817199-13975090964

Sodium Metabisulfite Cas Number 7681 57 4 , Sodium Metabisulfite Uses In Water Treatment 

Brand Name : Kemsky
Model Number : SMBS industry grade
Certification : ISO 9001/SGS
Place of Origin : Hunan
MOQ : 1 metric ton
Price : usd 280-320 per metric ton
Payment Terms : T/T , L/C
Supply Ability : 3000 tons per month
Delivery Time : 5-8 days
Packaging Details : 25 kgs bag,1000 kgs big bag
name : sodium metabisulphite industry grade
other name : sodium pyrosultite industry grade
situation : powder white crystalline
grade : tech grade,food grade
usage : preservative antistaling agent, food additive
packing : 25 kgs plastic woven bag/1000 kgs jumbo bag
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sodium metabisulfite/sodium pyrosulphite/SMBS


Property: White or light-yellow crystalline powder, smell of SO2. No other smell when dried. Specific gravity is 1.4. It’s soluble in glycerine, It’s soluble slightly in alcohol.
Specification:

Sodium Metabisulfite97% Min
Iron(Fe)0.003% Max
Insoluble matter in water0.05% Max
PH4.0-4.6
Heavy metal(as Pb)0.002% max
Arsenic(As)0.0002% max


Usage: Mainly used for manufacturing sulphuric acid and bactericidal agent, Carrying out vegetable dehydrate, fruit preservation and bleaching.
Packing: In 25kg plastic woven bags lined with PE bag.


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.
0kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.



Specification For Food Grade and Industry Grade :

ItemQuality Index
Food GradeIndustry Grade
Purity ( As Na2S2O5)98.0% min96.0% min
Sulfur Dioxide( SO2)65.0% min65.0% min
Arsenic ( As )0.0002% max-
Heavy metals ( As Pb )0.0005% max-
Selenium (Se )0.0005% max-
Iron (Fe)0.001% max0.002% max
Water insoluble0.02% max0.05% max
PH value :4.0-4.84.0-4.8
Remark :Conformed with FCC V and E 223 Standard



Specification for Pharmaceutical Grade and Photo Grade

ItemQuality Index
Pharmaceutical GradePhoto Grade
Purity ( As Na2S2O5)98.0% min98.0% min
Sulfur Dioxide( SO2)65.0% min65.0% min
Thiosulphate ( As S2O3) :0.05 % max0.05% max
Chloride ( As CL-) :30 ppm max50ppm max
Arsenic ( As ) :1ppm max1ppm max
Lead ( Pb ) :1 ppm max2ppm max
Copper (Cu) :1 ppm max1ppm max
Iron (Fe ) :5 ppm max5ppm max
Mercury (Hg) :0.1ppm max1ppm max
Chromium (Cr) :1 ppm max-
Selenium (Se ) :1 ppm max5ppm max
Zinc (Zn)1 ppm max1ppm max
Cadmium (Cd )1ppm max-
Nickel (Ni)1ppm max-
Na2SO3 + Na2SO41.5% max-
PH value :4.0-4.84.0-4.8
Remark :Conformed with USP standard


Storage: Store the product in a dry and cool place.


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.
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.
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, 50































Product Tags:

sodium metabisulfite preservative

      

sodium metabisulphite food grade

      
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