- H2SO4r- M = 98,08 g/molr- CAS [7664-93-9]r- EINECS-No.: 231-639-5r- Density: ~ 1,00 g/cm3 r- EC-Index-No.: 016-020-00-8r- Tariff number: 2807 00 00 00r- Applications: analytical chemistry, laboratory reagent, titrant in volumetric analysis.rrSPECIFICATIONSrfactor: 0,999 - 1,001runcertainty ± 0,001 rr1 ml = 0,009808 g H2SO4 This solution was analysed using a certified reference material (tris(hydroxymethyl)-aminomethane). The certified reference material is ISO 17034 accredited, measured according to ISO/IEC 17025 and traceable to the International System of Units by means of a Standard Reference Material from NIST: SRM® 723 (Tris(hydroxymethyl)aminomethane (HOCH2)3CNH2 (Acidimetric Standard)). r