The molecular formula of this product is FeSO₄.7H₂O, appearing as light green or light yellow-green crystals, odorless, with a salty and astringent taste. It is easily soluble in water and glycerin, insoluble in ethanol, has corrosive properties, and is hygroscopic.

　　Molecular weight: 278.01

　　Product performance:

　　1. It can be used as a flocculant in water treatment and can also be applied in municipal and industrial wastewater treatment plants as a chemical agent for phosphorus removal to prevent eutrophication of surface water bodies.

　　2. It can also serve as an industrial reducing agent to treat chromates in cement and neutralize excess oxidants in water treatment processes, such as the boiler's room temperature deoxygenation process.

　　Product quality indicators:

　　Application fields:

　　(This product is used not only for the treatment of drinking water, industrial water, and various wastewater but can also be used as a raw material for the production of iron-based water treatment agents.)

　　(Usage methods and precautions:)

　　(1) The product can be used directly or diluted before use. The dilution concentration can be determined based on the dosage of the agent, the quality of the water to be treated, and the dosing device; the dosage should be determined based on stirring tests and production tests.

　　(2) It should not be mixed with other water purification agents or organic flocculants; it must not be stored together with other chemical agents.

　　(3) Care should be taken during transportation to avoid damage to packaging; it must not be exposed to sunlight or rain; it is prohibited to store or transport together with toxic or harmful substances.

　　(4) The shelf life of the product is one year.