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CAS 90-20-0

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H acid

Description:
H acid, also known as 1-amino-2-naphthol-4-sulfonic acid, is an organic compound with the CAS number 90-20-0. It is characterized by its sulfonic acid functional group, which imparts strong acidity and enhances its solubility in water. H acid appears as a solid, typically in the form of a crystalline powder, and is known for its deep red color. This compound is primarily used in the dye industry, particularly in the synthesis of azo dyes, due to its ability to form stable dye intermediates. Additionally, H acid exhibits good thermal stability and is soluble in various organic solvents. Its chemical structure includes an amino group and a naphthalene ring, contributing to its reactivity and utility in various chemical reactions. Safety considerations include handling it with care, as it can be harmful if ingested or inhaled, and appropriate personal protective equipment should be used during handling.
Formula:C10H9NO7S2
InChI:InChI=1S/C10H9NO7S2/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,11H2,(H,13,14,15)(H,16,17,18)
InChI key:InChIKey=APRRQJCCBSJQOQ-UHFFFAOYSA-N
SMILES:NC=1C2=C(C=C(S(=O)(=O)O)C=C2O)C=C(S(=O)(=O)O)C1
Synonyms:
  • 1-Amino-3,6-disulfo-8-naphthol
  • 1-Amino-8-Hydroxynaphthalene-3,6-Disulphonic Acid
  • 1-Amino-8-hydroxy-3,6-disulfonaphthalene
  • 1-Amino-8-hydroxynaphthalene-3,6-disulfonic acid
  • 1-Amino-8-naphthol-3,6-disulfonic acid
  • 1-Amino-8-naphthyl-3,6-disulfonic acid
  • 1-Hydroxy-3,6-disulfo-8-aminonaphthalene
  • 1-Hydroxy-8-amino-3,6-disulfonaphthalene
  • 1-Hydroxy-8-amino-3,6-naphthalenedisulfonic acid
  • 1-Naphthol-3,6-disulfonic acid, 8-amino-
  • See more synonyms
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