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CAS 68504-35-8

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Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate (4:1)

Description:
Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate, commonly referred to by its CAS number 68504-35-8, is a synthetic organic compound primarily used as a dye or pigment in various applications, including textiles and inks. This compound features a naphthalene backbone with multiple sulfonate groups, which enhance its solubility in water and contribute to its vibrant color properties. The presence of diazenyl groups imparts significant chromophoric characteristics, making it suitable for use in colorants. Its structure includes hydroxyl groups that can participate in hydrogen bonding, further influencing its solubility and reactivity. As a sodium salt, it is typically more soluble in aqueous solutions, facilitating its application in various formulations. Safety data should be consulted for handling and potential toxicity, as with many synthetic dyes, to ensure proper usage and compliance with regulatory standards. Overall, this compound exemplifies the intersection of organic chemistry and industrial applications, particularly in the field of colorants.
Formula:C22H16N4O14S4·4Na
InChI:InChI=1S/C22H16N4O14S4.4Na/c27-21-18-11(9-16(43(35,36)37)19(21)25-23-12-5-1-3-7-14(12)41(29,30)31)10-17(44(38,39)40)20(22(18)28)26-24-13-6-2-4-8-15(13)42(32,33)34;;;;/h1-10,27-28H,(H,29,30,31)(H,32,33,34)(H,35,36,37)(H,38,39,40);;;;
InChI key:InChIKey=ICEUYUOXSNZQAP-UHFFFAOYSA-N
SMILES:OC=1C2=C(C=C(S(=O)(=O)O)C(N=NC3=C(S(=O)(=O)O)C=CC=C3)=C2O)C=C(S(=O)(=O)O)C1N=NC4=C(S(=O)(=O)O)C=CC=C4.[Na]
Synonyms:
  • 2,7-Bis(2-sulphophenylazo)chromotropic acid tetrasodium salt
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-, tetrasodium salt
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-, sodium salt (1:4)
  • 3,6-Bis(2-sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid, tetrasodium salt
  • Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate (4:1)
  • tetrasodium (3Z,6Z)-4,5-dioxo-3,6-bis[(2-sulfonatophenyl)hydrazono]-3,4,5,6-tetrahydronaphthalene-2,7-disulfonate
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