RDD019

Potassium phosphate tribasic

anhydrous, free-flowing, Redi-Dri^™, reagent grade, ≥98%

• Synonym(s): Tripotassium phosphate
• Linear Formula: K₃PO₄
• CAS Number: 7778-53-2
• Molecular Weight: 212.27
• EC Number: 231-907-1
• MDL number: MFCD00036295
• PubChem Substance ID: 329824228
• NACRES: NA.25

Properties

• Quality Level: 100
• grade: anhydrous; reagent grade
• product line: Redi-Dri^™
• assay: ≥98%
• form: crystalline
• quality: free-flowing
• loss: ≤5.0% loss on ignition
• pH: 11.9 (25 °C, 10 g/L)
• solubility: water: 100 mg/mL, clear, colorless
• density: 2.564 g/mL at 25 °C (lit.)
• SMILES string: [K].OP(O)(O)=O
• InChI: 1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
• InChI key: LWIHDJKSTIGBAC-UHFFFAOYSA-K

Description

Packaging

2.5 kg in poly drum

500 g in poly bottle

1 kg in poly bottle

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H318 - H335
• Precautionary Statements: P280 - P305 + P351 + P338 + P310
• Target Organs: Respiratory system
• RIDADR: NONH for all modes of transport
• WGK Germany: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable