222003

Sodium phosphate tribasic dodecahydrate

ACS reagent, ≥98%

• 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: 12352302
• PubChem Substance ID: 329752289
• NACRES: NA.21

Properties

• grade: ACS reagent
• Assay: ≥98%
• form: crystals or chunks
• impurities: ≤0.01% insolubles
• pH: 13 (25 °C, 190.1 g/L)
• density: 1.62 g/mL at 25 °C
• anion traces: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.01%
• cation traces: Fe: ≤0.001%; excess alkali (as NaOH): ≤2.5%; heavy metals (as Pb): ≤0.001%
• 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

Description

Application

Sodium phosphate tribasic dodecahydrate may be used in the following processes:

• Fabrication of chitosan membranes for use as the polymer electrolyte in a direct borohydride fuel cell (DBFC).
• Synthesis of hierarchical silver phosphate microcrystals with photocatalytic activity via template-free method.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: 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 Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable