Shandong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Plant Area:
300 square meters
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Sodium Metabisulfite, Sodium Metabisulphite, Sodium Pyrosulfite manufacturer / supplier in China, offering Inorganic Chemicals Sodium Metabisulphite Food Grade, 25kg PP Woven Bags No. 1498 99.3%Min Nano3 Sodium Salt Nitrate as Chemical Reagent, 25kg/50kg/500kg/1000kg PP Woven Bags No. 1498 99.3%Min Nano3 Sodium Salt Nitrate as Chemical Reagent and so on.

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Inorganic Chemicals Sodium Metabisulphite Food Grade

Purchase Qty. / Reference FOB Price
20-49 Tons US $310
50-99 Tons US $305
100+ Tons US $295
Port: Qingdao, China
Transport Package: 25kg. 50kg, 500kg, 800kg, 1000kg
Payment Terms: L/C, T/T
CAS No.: 7681-57-4
Formula: Na2s2o5
EINECS: 231-673-0
Certification: CCIC, CIQ, ISO
Purity: 90%~99%
Type: Sodium Sulfate

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Basic Info.

Model NO.
Food Grade
Grade Standard
Industrial Grade
Shandong, China
HS Code
Inorganic Chemicals Sodium Metabisulphite Food Grade
Sodium Metabisulfite Industrial Grade
Inorganic Chemicals Sodium Metabisulphite Food Grade

1. 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

2. Package & Loading
Package: 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: 25-27MT/FCL without pallet; 22-24MT/FCL with pallet
Inorganic Chemicals Sodium Metabisulphite Food Grade

3. Specification
Production and testing are organized strictly in accordance with national standard, qualities of products is in accordance with GB1888-2014
ItemQuality spec
Food GradeTechnical Grade
Purity (Na2S2O5)           98.0%≥97.0%
Sulfur dioxide( SO2)      65.0%65.0%
Arsenic ( As )              0.0002%-
Heavy metal (Pb)          0.0005%-
Selenium (Se )             0.0005%-
Iron (Fe)                   0.001%≤0.002%
water insoluble         0.02%≤0.05%
pH-value :4.0-4.84.0-4.8
Note:Meet FCC V and E 223 standard
4. Supply Ability
Supply Ability: 3000 MT per Month
Inorganic Chemicals Sodium Metabisulphite Food Grade

5. Chemical name
Other names: sodium metabisulfite, sodium metabisulphite, sodium pyrosulfite, Sodium disulfite,

6. Use 
  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 2. 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.
7. Storage and transportation 
Stored 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. 
Inorganic Chemicals Sodium Metabisulphite Food Grade

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