85-3034-60　Benzopurpurin 4B (Direct Red 2, CI 23500) 25g　CAS No:992-59-6　265964

特徴

• Benzopurpurine 4B is a biological stain and pH indicator for pH 1.3 to 4.2.
• Synonyms:C.I. Direct Red 2; C.I. Direct Red 2, Disodium Salt; Amanil Purpurine 4B; Atul Direct Red 4B; Azamin 4B; Azocard Red 4B; Bencidal Purple 4B; Benzanil Purpurine 4B; Benzopurpurin 4B; Benzopurpurin B; Benzopurpurine 4BKX; Benzopurpurine 4BX; Brasilamina Red 4B; C.I. 23500; Calcomine Red 4BX; Chrome Leather Red 4B; Cotton Red 4B; Diacotton Benzopurpurine 4B; Diamine Purpurine 4B; Diaphtamine; Diazamine Purpurine 4B; Diazine Red 4B; Diazol Purpurine 4B; Diphenyl Red 4B; Diphenyl Red 4BS; Direct Purpurine 4B; Direct Purpurine M 4B; Direct Red 2; Direct Red 4A; Direct Red 4B; Direct Red DCB; Direct Scarlet 4BE; Eclipse Red; Erie Benzo 4BP; Erie Red 4B; Fast Scarlet; Hispamin Red 4B; Kayaku Benzopurpurine 4B; Mitsui Benzopurpurine 4BX; Paper Red 4BS; Phenamine Purpurine 4B; Purpurin 4B; Purpurine
• Molecular Formula:C34H28N6O6S2•2Na
• Molecular Weight:726.73
• Appearance:Light brown to red-brown powder
• Transition Interval:Violet (pH 1.3) to red (pH 4.2)
• λmax in Water:500nm
• Solubility:Clear, dark red solution (C = 1mg/mL in water)
• Storage:RT