Reap Chemical Ltd

China Manufacturer with main products: Potassium Nitrate, Calcium Nitrate, Magensium Nitrate, Calcium Ammonium Nitrate, Yraclostrobin, Spirodiclofen, Sodium Hexametaphosphate (SHMP...

Home  >Products Catalog > Phosphates > Sodium Metabisulfite (SMBS)

Sodium Metabisulfite (SMBS)

FOB Price: 340.00 - 350.00 USD/Metric Ton
Payment Terms: L/C, D/P, T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Quick Details

  • Classification: Other Inorganic Salts
  • Purity: 98%
  • CAS No.: 7681-57-4



Sodium Metabisulfite SMBS

Brand Name: REAPCHEM

Pro Name:Sodium Metabisulfite

Other Name:SMBS

Place of Origin:Shandong, China

Molecular Formula:Na2S2O5

Molecular weight:190.09

CAS No:7681-57-4

Appearance: White powder crystal


Grade:TECH Grade / FOOD Grade/High purity Grade

2. Packaging & Delivery

Packaging detail:PP woven bag with PE inner bag in 25kg/50kg/1000kg or according to customer's demand.

Loaded:25mt/20'FCL with pallets, 25mt/20'FCL without pallets

Delivery detail:Within 7-10 days

Transportation:by SEA


3. Specifications

Analysis Item


TECH Grade

FOOD Grade

High Purity Grade


96.5% min

97.0% min

98.0% min

Iron (as Fe)

0.005% max

0.003% max

0.001% max

Appearance of solution


Colorless and transparent


Arsenic (as as)

0.0001% max

0.0001% max

0.0001% max

Heavy Metals (as Lead)


0.0005% max

0.0005% max





Water Insoluble

0.05% max

0.05% max

0.05% max

4. Application

Sodium metabisulfite is mainly used as preservative in food applications, as an  enzyme inhibitor in waste water treatment and leather tanning process. for bleaching wool and jute in textile industries. As antichlor after cotton bleaching printing and dying industry, to destroy cyanides in gold mining industry. Preservative in photo developer solutions, as reducing agent and sulfonating agent for chemical and medical industries etc.

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