Anhydrous Sodium Sulfate Msds: What You Need To Know

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Sodium sulfate, or Na2SO4, is a white crystalline compound commonly used in various industries. One of its forms is anhydrous sodium sulfate, which is a dehydrated version of the compound. Anhydrous sodium sulfate is used in many applications, including as a drying agent, in the production of detergents, and in the food industry.

What is an MSDS?

An MSDS, or Material Safety Data Sheet, is a document that provides important information about a chemical substance or product. The document contains information about the properties of the substance, its potential hazards, and guidelines for safe handling and storage. MSDSs are important resources for workers who handle chemicals in the workplace.

Physical and Chemical Properties of Anhydrous Sodium Sulfate

Anhydrous sodium sulfate is a white crystalline powder that is odorless and has a slightly bitter taste. It is soluble in water and insoluble in organic solvents. The compound has a melting point of 884°C and a boiling point of 1429°C. Anhydrous sodium sulfate is stable under normal conditions and does not react with most chemicals.

Potential Hazards of Anhydrous Sodium Sulfate

Anhydrous sodium sulfate is generally considered to be a low hazard chemical. However, like any chemical substance, it can pose a risk if not handled properly. The main hazards associated with anhydrous sodium sulfate are related to its physical properties. The compound is a mild irritant to the skin and eyes and can cause respiratory irritation if inhaled. Ingestion of large amounts of anhydrous sodium sulfate can cause gastrointestinal irritation.

Safe Handling and Storage Guidelines

When handling anhydrous sodium sulfate, it is important to take appropriate safety precautions. Workers should wear appropriate protective clothing and gloves to avoid skin contact. Eye protection should also be worn. If anhydrous sodium sulfate is inhaled, workers should move to an area with fresh air and seek medical attention if necessary. Anhydrous sodium sulfate should be stored in a cool, dry place away from sources of heat and ignition. The compound should be kept in a tightly closed container to prevent moisture from entering.

Uses of Anhydrous Sodium Sulfate

Anhydrous sodium sulfate has many important industrial applications. It is commonly used as a drying agent in the production of various chemicals, including dyes, pigments, and pharmaceuticals. The compound is also used in the production of detergents, where it acts as a water softener. Anhydrous sodium sulfate is also used in the food industry as a filler and anti-caking agent.


Anhydrous sodium sulfate is a useful and versatile compound with many important industrial applications. While it is generally considered to be a low hazard chemical, it is important to handle and store it safely to avoid potential risks. MSDSs are an important resource for workers who handle anhydrous sodium sulfate in the workplace.


1. Sigma-Aldrich. (2023). Sodium sulfate anhydrous. Retrieved from

2. Occupational Safety and Health Administration. (n.d.). Safety data sheet: Sodium sulfate anhydrous. Retrieved from

3. European Chemicals Agency. (n.d.). Sodium sulfate. Retrieved from