
Sodium cacodylate trihydrate
Synonyms: Cacodylic acid sodium salt trihydrate or Dimethylarsinic acid sodium salt or Dimethylarsonic acid sodium saltC2H6AsNaO2 • 3H2O(CH3)2AsO2Na • 3H2OMr 214.03CAS Number [6131-99-3]EC Number 204-708-2Beilstein Registry Number 3702348Merck 14,8595RTECS CH7890000MDL Number MFCD00149079PubChem Substance ID 24892242Purity ≥ 98.0%UN Number UN 1688 6.1/PG 2pKa 6.3 at 25°C
Useful pH Range of a Sodium cacodylate trihydrate buffer is 5.0 - 7.4
HR2-737 is titrated to pH 6.5 using HClHR2-737 Measured Conductivity Range: 43.4 - 47.1 mS/cm at 25°CHR2-737 Measured Refractive Index Range: 1.35633 - 1.35711 at 20°C
Titrate HR2-575 to the desired pH using HClHR2-575 Measured pH Range: 8.4 - 8.5 at 25°CHR2-575 Measured Conductivity Range: 33.7 - 36.5 mS/cm at 25°CHR2-575 Measured Refractive Index Range: 1.35556 - 1.35635 at 20°C