STPP
Purity: 94% min
White powder or granule
CAS: 7758-29-4
Usage: Detergent, ceramic, petroleum...
STPP (Sodium Tripolyphosphate)
Chemical formula: Na5P3O10
Molecular weight: 367.86
Properties: White powder, apparent density: 0.35-0.90g/ml, melting point: 622degree, easily dissolving in water; Water solution is alkaline(pH value of 1% solution is 9.7); Can be used to soften water; Has some surfactant properties.
Application: Mainly used as syndet adjuvant, soap synergist and prevent bar soap from oiling off and blooming; Has strong emulsification on lubricant and oils and fats, can be used to adjust the pH value of buffer soap solution; Can be used as water softener for industrial water, pretanningagent and dyeing adjuvant; Drilling mud dispersant; Dispersant in preparing suspension in paint, kaolinite, magnesium oxide, calcium carbonate etc.; Oil-proofing agent and antifoulant in paper industry.