- CuSO4r- M = 159,60 g/molr- CAS [7758-98-7]r- EINECS-No.: 231-847-6r- Density: 1,02 g/cm3 r- EC-Index-No.: 029-004-00-0r- GHS-H sentences: H412r- GHS-P sentences: P273 - P501ar- Tariff number: 2833 25 00 00r- Applications: analytical chemistry, fungicide.rrSPECIFICATIONSrfactor: 0,999 - 1,001runcertainty ± 0,001 rr1 ml = 0,024968 g CuSO4·5H2O This volumetric solution was checked by means of potentiometric methods using an EDTA disodium salt standard solution, that was also checked against Scharlau's calcium carbonate volumetric standard. Scharlau's volumetric standards are directly traceable to the Standard Reference Materials from NIST (National Institute of Standards and Technology, USA). r