- CAS [7447-40-7]r- EINECS-No.: 231-211-8r- Density: 1,00 g/cm3r- Solub. in water: (20 ºC): miscibler- Tariff number: 3822 90 00 00r- Applications: analytical chemistry, laboratory reagent, for electroanalysis.rrSPECIFICATIONSrconductivity (25 °C): 1399 - 1427 µS/cmruncertainty : < 1%rrThe standard has been measured with an electrode, whose cell constant is approx. 0,7 cm-1, and a temperature sensor rrThis conductivity standard is traceable to SRM 999 from NIST (KCl). r15: 1139r20: 1276r25: 1413r30: 1550r35: 1694r40: 1833r