Sodium pyrophosphate decahydrate

Sodium pyrophosphate decahydrate (CAS 13472-36-1), commonly abbreviated as TSPP, is the fully hydrated crystalline form of tetrasodium pyrophosphate.

Where is Sodium pyrophosphate decahydrate used?

• Food processing: emulsifying and sequestering salt in processed cheese, seafood, and cured meat products
• Water treatment: sequesters calcium and magnesium hardness, preventing scale in boilers and distribution systems
• Textile and leather processing: disperses dyes and removes metal impurities during preparation
• Personal care: pH buffer and tartar-control agent in oral care products, particularly toothpaste
• It controls texture and prevents discoloration by binding metal ions.

Good to know: Water content affects active concentration relative to the anhydrous grade.

Commercial specifications

• Purity commonly 99% or higher on a dry basis
• Packaging from 25 kg bags to bulk quantities