Tetrasodium EDTA

Tetrasodium EDTA (CAS 64-02-8), also known as Edetate Tetrasodium, is a fully neutralized sodium salt of ethylenediaminetetraacetic acid; a chelating and sequestering agent.

Where is Tetrasodium EDTA used?

• Personal care and cosmetics: stabilizes formulations by deactivating trace metals
• Industrial and household cleaners: sequester hardness ions, improving surfactant efficiency and preventing scale buildup on surfaces and equipment
• Water treatment: controls metal ion concentrations and inhibits scale formation in process systems
• Pharmaceutical manufacturing: chelating preservative aid, extending product stability
• By binding calcium, magnesium, and heavy metal ions, it prevents mineral interference in formulations, process water, and finished products.

Good to know: These metals would otherwise degrade active ingredients or cause discoloration. This is particularly important in topical and injectable formulations where metal contamination must be tightly controlled.

Commercial specifications

• Aqueous solutions typically at 40% concentration
• Buyers should confirm grade and moisture content when sourcing.