238503

Sodium tripolyphosphate

technical grade, 85%

• Synonyme(s) : Pentasodium tripolyphosphate Anhydrous, STPP, Sodium triphosphate, Sodium triphosphate pentabasic, Sodium tripolyphosphate pentabasic
• Formule linéaire : Na₅P₃O₁₀
• Numéro CAS: 7758-29-4
• Poids moléculaire : 367.86
• Numéro CE : 231-838-7
• Numéro MDL: MFCD00003514
• Code UNSPSC : 12352302
• ID de substance PubChem : 329752508
• Nomenclature NACRES : NA.55

Propriétés

• Qualité: technical grade
• Pureté: 85%
• Forme: powder
• pH: 9.5-10.3 (1 g/L)
• Chaîne SMILES: [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O
• InChI: 1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
• Clé InChI: HWGNBUXHKFFFIH-UHFFFAOYSA-I

Description

Description générale

Sodium tripolyphosphate (STPP) is widely employed as a deflocculant. The major applications of STPP as laundry detergents and cleansing agents. STPP provides benefits such as pH buffering, soil emulsification and hard water sequestration for effective surfactant performance.

Application

Sodium tripolyphosphate is used:

• As a corrosion inhibitor for steel.
• In the preparation of chitosan nanoparticles (CSNPs) by ionic gelation.

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable