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Product information
Product name: Sodium metabisulfite
Molecular formula: Na2S2O5
Cas No.: 7681-57-4
HS NO.: 2832100000
EINECS No.: 231-673-0
Appearance: White powder
Molecular weight: 190.1
Density: 1.4
Place of Origin: Shandong, China (Mainland)
Brand Name: Boteng
Package & Loading
Packa ge: Packed in 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or according to customer's demand.
Port of Loading: Qingdao port Q'ty/20'GP : 25 -27 MT/FCL without pallet ; 22-24MT/FCL with pallet
Specification
Production and testing are organized strictly in accordance with national standard, qualities of products is in accordance with GB 1888-2014
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Item
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Quality spec
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Food Grade
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Technical Grade
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Purity (Na2S2O5) ≥
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98.0%
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≥97.0%
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Sulfur dioxide (SO2) ≥
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65.0%
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65.0%
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Arsenic (As) ≤
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0.0002%
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-
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Heavy metal (Pb) ≤
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0.0005%
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-
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Selenium (Se) ≤
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0.0005%
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-
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Iron (Fe) ≤
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0.001%
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≤0.002%
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water insoluble ≤
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0.02%
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≤0.05%
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pH-value :
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4.0-4.8
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4.0-4.8
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Note:
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Meet FCC V and E 223 standard
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Supply Ability
Supply Ability: 3000 MT per Month
Chemical name
Other names: sodium metabisulfite, sodium metabisulphite, sodium pyrosulfite, Sodium disulfite ,
Use
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 2. food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
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 .
Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Storage and transportation
Store d in a cool, dry place. Packing seal, should prevent air oxidation, pay attention to moisture. Protect against rain and sunlight during transportation. It is strictly prohibited to coexist and transport with acids, oxidants and harmful and toxic substances.