■ Additive and preservative

This product is used as an additive, preservative, antioxidant and anti-microbic agent in the food industry. It is a white granular product that is readily soluble in water.

■ Preservative

This product is used to preserve silage in feed applications. It is a white granular product that is readily soluble in water.

■ Reducing and sulfonating agent

This product is used as a sulfonating agent and reducing agent in chemical process with significant applications for surfactants and polymerization. It is a white granular product that is readily soluble in water.

■ Excipient

This product is considered an excipient in the pharmaceutical industry where it is used as a preservative. It is a white granular product that is readily soluble in water.

■ Product data and typical properties

Formula: Na2SO3
Molecular Weight: 126.04
pH of 5% Solution: 9.8
Bulk Density, lb/ft3: 100
Odorless free flowing, white, fine granular crystal that is soluble in water.

■ Main  product specifications

Arsenic (As) 0.0 – 0.0001%
Sodium Sulfite (Na2SO3) 98.0 – 100.0 %
Heavy Metals (as Pb) 0.0 – 0.001%
Iron (Fe) 0.0 – 0.0005%
Lead (Pb) 0.0 – 0.0002%
Selenium (Se) 0.0 – 0.0005%
Mercury (Hg) 0.0 – 0.0001%
Thiosulfate (S2O3) 0.0 – 0.01 %
Meets all requirements of the Food Chemical Codex (FCC). Kosher approved.

■ Handling and storage

Shelf Life: Nominally 36 months when properly stored in original packaging.
Storage Conditions: Controlled indoor environment that is cool, dry, and well ventilated.

■ Packaging

• 50lb sealed polyethylene bags
• 2200lb polypropylene sacks
• 3000lb polypropylene sacks
• Custom sack sizes upon request