The molecular formula for sodium sulfate is Na2O4S. Sodium sulfate is an important mineral in the chemical industry. It is commonly used in soap and detergent, and it is also used to make textiles, glass, paper and hydrochloric acid.
Sodium sulfate is sometimes used in small-scale applications. In laboratory settings, sodium sulfate is used as a drying agent to remove water from organic materials. Sodium sulfate is also used in carpet fresheners and as an additive in cattle feed. Sodium sulfate decahydrate is used as a laxative and is effective for removal of acetaminophen from the body after an overdose.