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Sodium Bisulfite - Pure Solution | Technical

Technical Data Sheet (download pdf file)

Characteristics:

Sodium bisulfite is a clear, pale yellow liquid, free of foreign matter, with a strong odor of sulfur dioxide. It is the equivalent of sodium metabisulfite dissolved in water. As such, it is a convenient liquid source of sulfur dioxide, a versatile reducing agent.

Properties:

Formula	NaHSO₃
Molecular Weight	104.06
Specific Gravity	1.32

Specification:

	Typical Analysis	Specification
Total reducing substances (as NaHSO₃)	39.3%	38.0-40.0%
pH (as is)	4.0	3.8-4.4
Iron (Fe)	1 ppm	2 ppm max
Alkalinity (Na₂SO₃)	0.25%	0.6% max
Turbidity (NTU)	0.3	2 max
Sodium Sulfate (Na₂SO₄)	0.2%	0.75% max

Applications:

Chemical industry	Reducing agent.
Water treatment	Oxygen scavenger, chrome reduction, dechlorination.
Textile industry	Dechlorination.
Photographic industry	Stabilizer in fixing Solutions.

Containers:

Bulk tank truck

Safety:

Sodium bisulfite may irritate the eyes, nose and throat and may cause skin irritation. Ingestion may be harmful. When heated or mixed with acids, toxic sulfur dioxide gas is released which may be harmful or deadly if inhaled. May cause severe allergic reactions in some asthmatics and sulfite sensitive individuals.

Anyone responsible for the procurement, use or disposal of this product should familiarize himself and those handling the product with the appropriate Safety and handling precautions involved. Such information is outlined in our Material Safety Data Sheet, which may be obtained by contacting Customer Service.

In the event of an emergency with this product, call the 24-hour General Chemical emergency number: (800) 631-8050.

All statements, information, and data given herein are believed to be accurate and reliable but are presented without guaranty, warranty or responsibility of any kind, express or implied. The user should not assume that all safety measures are indicated or that other measures may not be required. All suggestions made herein are intended for use by persona having requisite knowledge and skill, and are to be used at their own risk. General Chemical assumes no responsibility for this information, and potential purchasers waive all claims they may have and agree to indemnify and hold harmless General Chemical from any claims or damages they may later allege relative to their reliance upon these suggestions.