Synonyms: Chrome-potassium alum, Chrome-potassium alum
Chemical formula: KCr (SO4) 2 · 12H2O
International name: Chromium potassium alum
CAS No: 7788-99-0
Appearance: dark purple crystals
Packing: bags of 25 kg
Storage: Store in a dry, well-ventilated area
Chrome-potassium alum KCr ((SO4) 2 • 12H2O) - dark purple, translucent ruby-red octahedral crystals.
Stability: In air quickly erode (lose water) dehydrated by heating more rapidly than in connection with turning a light purple powder. Dissolved in water.
Chrome-potassium alum used as a tanning agent in the manufacture of fur artisanal and alum are widely used in the textile industry. And also for painting ceramics.
Generally Alum has long been used as a mordant in dyeing wool and cotton yarn and fabrics. Due to the fact that the salts of trivalent metals cause denaturation of proteins, alum is used as a tanning agent in the leather industry at aluming and photographic (for photographic emulsions on a gelatin-based) and in medicine as an astringent, styptic and cautery, etc.