Technical SMBS Powder

About Technical SMBS Powder

Sodium Metabisulfite (SMBS) Powder Technical Grade Description

Sodium Metabisulfite (SMBS) is an inorganic compound with the chemical formula NaSO. In its technical grade powder form, it appears as a white to slightly yellow crystalline powder with a strong sulfur dioxide odor. It is primarily used as an antioxidant, reducing agent, and preservative in various industrial and chemical applications.

Chemical Properties:

• Chemical Name: Sodium Metabisulfite

• Formula: NaSO

• Molecular Weight: 190.10 g/mol

• Appearance: White to pale yellow crystalline powder

• Odor: Pungent, sulfur dioxide-like smell

• Solubility: Soluble in water; produces a mildly acidic solution

• CAS Number: 7681-57-4

• Grade: Technical / Industrial

Applications (Technical Grade):

• Water Treatment: Oxygen scavenger and disinfectant

• Textile Industry: Bleaching agent and color stabilizer

• Pulp & Paper: Bleaching and dechlorination

• Mining & Drilling: Cyanide detoxification and pH control

• Photographic Industry: Developing solution component

• Leather Processing: Deliming and bleaching of hides

Key Features:

• Strong reducing agent

• Effective oxygen scavenger

• Controls microbial growth in certain processes

• Cost-effective chemical for large-scale industrial use

Safety & Handling:

• Can release toxic sulfur dioxide gas upon contact with acids

• Avoid inhalation and contact with skin/eyes

• Use with proper PPE (gloves, goggles, dust mask)

• Store in a cool, dry, and well-ventilated area away from acids and moisture