S7778

Sodium phosphate tribasic dodecahydrate

BioXtra, ≥98.0% (titration)

• Synonym(s): TSP, Trisodium phosphate (tert) dodecahydrate, Trisodium phosphate dodecahydrate
• Linear Formula: Na₃PO₄ · 12H₂O
• CAS Number: 10101-89-0
• Molecular Weight: 380.12
• EC Number: 231-509-8
• MDL number: MFCD00149198
• UNSPSC Code: 12161700
• PubChem Substance ID: 24899764
• NACRES: NA.25

Properties

• product line: BioXtra
• assay: ≥98.0% (titration)
• form: powder
• impurities: Insoluble matter, passes filter test; ≤3% Free alkali (as NaOH)
• pH: ~13.0 (20 °C, 0.5 M in water)
• solubility: H₂O: 0.5 M at 20 °C, clear, colorless
• density: 1.62 g/mL at 25 °C
• anion traces: chloride (Cl^-): ≤0.005%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Al: ≤0.0005%; Ba: ≤0.0005%; Bi: ≤0.0005%; Ca: ≤0.001%; Cd: ≤0.0005%; Co: ≤0.0005%; Cr: ≤0.0005%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.005%; Li: ≤0.0005%; Mg: ≤0.0005%; Mn: ≤0.0005%; Mo: ≤0.0005%; Ni: ≤0.0005%; Pb: ≤0.0005%; Sr: ≤0.0005%; Zn: ≤0.0005%
• absorption: ≤0.023 at 280 in H₂O at 0.5 M; ≤0.035 at 260 in H₂O at 0.5 M
• application(s): diagnostic assay manufacturing
• SMILES string: O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O
• InChI: 1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3
• InChI key: ASTWEMOBIXQPPV-UHFFFAOYSA-K

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges