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CAS 846-70-8

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Acid Yellow 1

Description:
Acid Yellow 1, with the CAS number 846-70-8, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its bright yellow color, which results from the presence of azo functional groups (-N=N-). This compound is water-soluble, making it suitable for use in aqueous dyeing processes. Acid Yellow 1 exhibits good lightfastness and stability under acidic conditions, which is advantageous for its application in acidic dyeing environments. However, like many azo dyes, it may raise concerns regarding potential toxicity and environmental impact, particularly due to the possibility of releasing aromatic amines upon degradation. Safety data sheets typically recommend handling it with care, using appropriate personal protective equipment to minimize exposure. Overall, Acid Yellow 1 is valued for its vibrant hue and versatility, but its use is subject to regulatory scrutiny in various regions due to health and environmental considerations.
Formula:C10H6N2O8S·2Na
InChI:InChI=1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;
InChI key:InChIKey=IMLARSADUHFAPD-UHFFFAOYSA-N
SMILES:N(=O)(=O)C=1C2=C(C(O)=C(N(=O)=O)C1)C=C(S(=O)(=O)O)C=C2.[Na]
Synonyms:
  • (2,4-Dinitro-7-Sodiooxysulfonyl-1-Naphthyl)Oxysodium
  • 1307 Yellow
  • 1422 Yellow
  • 2-Naphthalenesulfonate, 5,7-Dinitro-8-Olato-, Sodium Salt (1:1)
  • 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, disodium salt
  • 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, sodium salt (1:2)
  • 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid, disodium salt
  • A.F. Yellow No.1
  • Acid Leather Yellow NYS
  • Acid Yellow S
  • See more synonyms
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