1.0 M Sodium citrate tribasic dihydrate

100 mL bottle of 1.0 M Sodium citrate tribasic dihydrate Optimize Reagent.
Synonyms: Citric acid trisodium salt dihydrate or Trisodium citrate dihydrate
C6H5Na3O7 2H2O
HOC(COONa)(CH2COONa)2 2H2O
Mr 294.10
CAS Number [6132-04-3]
EC Number 200-675-3
Merck 14, 8602
Beilstein Registry Number 6104939
MDL Number MFCD00150031
Purity > 99.0%
Useful pH range of a Sodium citrate tribasic dihydrate buffer: 2.2 - 6.5
Titrate HR2-571 to the desired pH using HCl
HR2-571 Measured pH Range: 8.1 - 9.4 at 25 degrees Celsius
HR2-571 Measured Conductivity Range: 60.0 - 69.8 mS/cm at 25 degrees Celsius
HR2-571 Measured Refractive Index Range: 1.37345 - 1.37370 at 20 degrees Celsius
HR2-735 is titrated to pH 5.6 using HCl
HR2-735 Measured Conductivity Range: 67.4 - 78.5 mS/cm at 25 degrees Celsius
HR2-735 Measured Refractive Index Range: 1.37400 - 1.37502 at 20 degrees Celsius
Al <0.0005%
As <0.00001%
Ba <0.0005%
Bi <0.0005%
Ca <0.005%
Cd <0.0005%
Cl <0.001%
Co <0.0005%
Cr <0.0005%
Cu <0.0005%
Fe <0.0005%
K <0.01%
Li <0.0005%
Mg <0.0005%
Mn <0.0005%
Mo <0.0005%
NH4+ <0.001%
Ni <0.0005%
Pb <0.0005%
SO4 <0.005%
Zn <0.0005%