vinegar (tetrahydrate)

Soluble in water

soluble in alcohol, dilute acids, pentyl acetate (tetrahydrate)

Pink crystals (anhydrous)
intense red crystals (tetrahydrate)

1.705 g/cm³ (tetrahydrate)

140 °C (tetrahydrate)

1.542 (tetrahydrate)

503 mg/kg (oral, rat)