Need a specific stain for your lab work? This is EMS Acid Fuchsin, also known as Rubin S, Fuchsin S, Acid Magenta, or Acid Violet 19. It's a certified biological stain commonly used in various histological and botanical staining procedures. This listing is for a 25-gram bottle, sold individually. The Chemical Abstract Service (CAS) number is 3244-88-0, and its formula is C20H17N3Na2O9S3 with a formula weight of 585.54. It's handy to know its solubility: about 0.053% in water and 1.21% in alcohol. Whether you're in a research lab, a classroom, or doing specialized work that requires this particular dye, this 25g quantity gives you plenty to work with. It's a staple for many staining protocols, so if your procedure calls for Acid Fuchsin, this is a straightforward, reliable source from EMS. Just handle it with the proper care and safety precautions you'd use for any laboratory chemical.
