CAS 90-21-1

4-Chloro-5-hydroxy-2,7-naphthalenedisulfonic acid

Description:

4-Chloro-5-hydroxy-2,7-naphthalenedisulfonic acid, with the CAS number 90-21-1, is an organic compound that belongs to the class of naphthalene derivatives. This substance features a naphthalene ring system substituted with two sulfonic acid groups and a hydroxyl group, along with a chlorine atom. The presence of these functional groups imparts significant water solubility and acidity to the compound, making it useful in various applications, including as a dye intermediate and in analytical chemistry. The sulfonic acid groups enhance its reactivity and ability to form salts, while the hydroxyl group can participate in hydrogen bonding, influencing its solubility and interaction with other molecules. Additionally, the chlorine atom contributes to the compound's overall stability and reactivity. Due to its structural characteristics, 4-Chloro-5-hydroxy-2,7-naphthalenedisulfonic acid is often utilized in the synthesis of other chemical compounds and in the development of dyes and pigments. Safety data should be consulted for handling and exposure guidelines, as with any chemical substance.

Formula: C₁₀H₇ClO₇S₂

InChI: InChI=1S/C10H7ClO7S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,12H,(H,13,14,15)(H,16,17,18)

InChI key: InChIKey=PGAVDCUYQQGYAK-UHFFFAOYSA-N

SMILES: ClC=1C2=C(C=C(S(=O)(=O)O)C=C2O)C=C(S(=O)(=O)O)C1

Synonyms:

• 8-Chloro-1-naphthol-3,6-disulfonic acid
• 1-Naphthol-3,6-disulfonic acid, 8-chloro-
• Chloro HAc ac
• 4-Chloro-5-hydroxy-2,7-naphthalenedisulfonic acid
• 2,7-Naphthalenedisulfonic acid, 4-chloro-5-hydroxy-