Disodium disilicate

Disodium disilicate (CAS 13870-28-5), also known as sodium disilicate, is an inorganic silicate salt used as a pH buffer, corrosion inhibitor, and cleaning agent.

Where is Disodium disilicate used?

• Water treatment: corrosion inhibitor forming a protective silicate film and pH buffer in distribution systems
• Textile and leather processing: pretreatment and scouring aid supporting fiber preparation and dye fixation
• Detergent and industrial cleaning: degreasing action and alkaline conditions for soil removal
• Construction: binder component and setting modifier in cement-based adhesives and coatings
• It buffers pH in distribution systems to ensure stability.

Good to know: Food-contact and personal care applications may require material meeting FCC or equivalent purity specifications.

Commercial specifications

• FCC or equivalent purity specifications for food-contact and personal care