Potassium dichromate, ROTI®Star CRM for volumetry, 80 g HDPE

Potassium dichromate (K₂Cr₂O₇, CAS 7778-50-9) is a ROTI®Star certified reference material for volumetry, supplied in an 80 g HDPE pack. The salt is described by the empirical formula K₂Cr₂O₇, a molar mass of 294,18 g/mol and a density of 2,68 g/cm³, and it is listed under EG nr. 231-906-6. As a ROTI®Star CRM for volumetry, potassium dichromate is intended for volumetric laboratory applications that call for this chemical identity and presentation. The 80 g HDPE pack provides a defined unit quantity of the CRM, matching the stated pack size for this ROTI®Star article. Physical constants published for the product are the molar mass (M) 294,18 g/mol and the density (D) 2,68 g/cm³, which complement CAS 7778-50-9 and the formula K₂Cr₂O₇. This potassium dichromate CRM is offered from manufacturer Carl ROTH in the ROTI®Star range for volumetry. Laboratories specifying a potassium dichromate ROTI®Star CRM for volumetry can select this 80 g HDPE unit, identified by EG nr. 231-906-6, molar mass 294,18 g/mol and density 2,68 g/cm³.

Key features

• CAS number: 7778-50-9
• Pack size: 80 g HDPE
• EG nr.: 231-906-6
• Empirical formula: K₂Cr₂O₇
• Molar mass: 294,18 g/mol
• UNSPSC: 41116107
• Technical Information Sheet:
• Safety Data Sheet: