Formula: Copper(II) acetate in dilute acetic acid. CAS: Mixture (142-71-2 for Cu(OAc)₂) EC No.: Mixture M (Molar Mass): Not applicable for solution D (Density): ~1.05 g/cm³ mp (Melting Point): Not applicable bp (Boiling Point): Not applicable Optical Rotation: Not applicable

Composition: 6.7% w/v Copper(II) acetate in 1% v/v acetic acid. Appearance: Clear, blue solution. Sensitivity: Produces a brick-red precipitate of cuprous oxide within 2-3 minutes with monosaccharides (but not disaccharides under the conditions). Specificity Test: Passes test (distinguishes mono- from di-saccharides). Stability: Stable for 6 months when stored in a tightly closed bottle.