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CAS 13725-33-2

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INDIGODISULFONATE DIPOTASSIUM SALT

Description:
Indigodisulfonate dipotassium salt, with the CAS number 13725-33-2, is a synthetic dye and a derivative of indigo, characterized by its vibrant blue color. It is a water-soluble compound, making it suitable for various applications, particularly in textiles and as a colorant in food and cosmetics. The structure of this compound features sulfonate groups, which enhance its solubility and stability in aqueous solutions. It is known for its excellent lightfastness and resistance to fading, which are desirable properties in dye applications. Additionally, this compound is often utilized in analytical chemistry as a reagent due to its ability to form complexes with certain metal ions. Safety data indicates that while it is generally considered to have low toxicity, appropriate handling and safety measures should be observed to avoid potential irritation. Overall, indigodisulfonate dipotassium salt is valued for its functional properties in various industrial and laboratory settings.
Formula:C16H8K2N2O8S2
InChI:InChI=1/C16H10N2O8S2.2K/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;
SMILES:c1cc2c(cc1S(=O)(=O)O)C(=O)C(=C1C(=O)c3cc(ccc3N1)S(=O)(=O)O)N2.K.K
Synonyms:
  • Indigodisulfonic Acid Dipotassium Salt
  • Indigodisulfonic Acid, K Salt
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