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CAS 523-44-4

:

Orange I

Description:
Orange I, also known as Acid Orange 7, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its vibrant orange color, which results from the presence of azo (-N=N-) functional groups in its molecular structure. This compound is water-soluble, allowing it to be easily incorporated into aqueous solutions for dyeing purposes. Orange I exhibits good lightfastness and stability under acidic conditions, making it suitable for use in environments where pH may vary. However, like many azo dyes, it has raised environmental and health concerns due to potential toxicity and the formation of aromatic amines upon degradation. Regulatory bodies often monitor its use, particularly in food products, to ensure safety standards are met. Overall, while Orange I is valued for its coloring properties, its application is subject to scrutiny regarding environmental impact and human health.
Formula:C16H12N2O4S·Na
InChI:InChI=1S/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);
InChI key:InChIKey=CEQOUNIKCGZOPR-UHFFFAOYSA-N
SMILES:N(=NC1=CC=C(S(=O)(=O)O)C=C1)C=2C3=C(C(O)=CC2)C=CC=C3.[Na]
Synonyms:
  • 1333 Orange
  • 4-p-Sulfophenylazo-1-naphthol monosodium salt
  • A.F. Orange No. 1
  • Acid Leather Orange I
  • Acid Orange 20
  • Acid Orange I
  • Aizen Orange I
  • Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt
  • Benzenesulfonic acid, 4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • Certiqual Orange I
  • See more synonyms
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