Description
Potassium Metabisulfite, Crystal, R1-EAgent is also known as potassium pyrosulfite and is primarily used as a chemical sterilant or antioxidant. It is chemically similar to sodium metabisulfite and considered to be a disulfite. The R1-EAgent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured R1-EAgent grade products meet the toughest regulatory standards for quality and purity.