72061

Sodium triphosphate pentabasic

purum p.a., ≥98.0% (T)

• Synonym(s): Pentasodium tripolyphosphate, Sodium tripolyphosphate pentabasic
• Linear Formula: Na₅P₃O₁₀
• CAS Number: 7758-29-4
• Molecular Weight: 367.86
• EC Number: 231-838-7
• MDL number: MFCD00003514
• UNSPSC Code: 12352302
• PubChem Substance ID: 329763729
• NACRES: NA.21

Properties

• grade: purum p.a.
• Assay: ≥98.0% (T)
• form: powder
• concentration: 57-59% (calc. based on P₂O₅)
• pH: 9.0-10.0 (25 °C, 1% in H₂O)
• solubility: water: soluble 148 g/L at 20 °C
• anion traces: chloride (Cl^-): ≤1000 mg/kg; sulfate (SO₄^2-): ≤500 mg/kg
• cation traces: Ca: ≤200 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤50 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• SMILES string: [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
• InChI key: HWGNBUXHKFFFIH-UHFFFAOYSA-I

Description

Application

for the determination of BSB acc. to DIN 38409-H 51

Other Notes

Straight chain phosphates

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable