Esseco USA SODIUM SULFITE TECHNICAL GRADE

Identification & Functionality

Molecular weight

126.04

Chemical Structure

Applications & Uses

Main Uses

• Pulping agent - This product is used in the production of chemimechanical, chemithermomechanical and sulphite pulp. It is a white granular product that is readily soluble in water.

• Oxygen scavenging and chlorine removal - This product is used in steam boiler water treatment to remove dissolved oxygen and to remove excess chlorine from wastewater. It is a white granular product that is readily soluble in water.

• Solubilizing agent - This product is used as a solubilizing agent in vegetable tanning. 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.

• Reducing agent for dyes - This product is used in the textile industry as as reducing agent for dyes. It is a white granular product that is readily soluble in water.

• Chrome and metals reduction - This product is used to reduce chrome and other metals. It is a white granular product that is readily soluble in water.

Properties

Appearance

White to Pale Yellow

Specifications

	Value	Units	Test Method / Conditions
Water Insolubles	0.0 - 100	ppm	—
Sodium Sulfate	0.0 - 2.5	%	—
Sodium Chloride	0.0 - 0.02	%	—
pH (1% solution)	9.7 - 10.3	—	—
Iron	0.0 - 0.0015	%	—
Heavy Metals (as Pb)	0.0 - 0.002	%	—
Sodium Sulfite	97 - 100	%	—
Bulk Density	95.0	lb/ft3	—
pH (5% Solution)	10.1	—	—

Packaging & Availability

Packaging

• 50lb sealed polyethylene bags
• 2000lb polypropylene sacks
• Custom sack sizes upon request

Storage & Handling

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.