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CAS 2814-77-9

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Pigment Red 4

Description:
Pigment Red 4, with the CAS number 2814-77-9, is an organic compound primarily used as a colorant in various applications, including paints, plastics, and inks. It belongs to the class of azo pigments, characterized by the presence of azo (-N=N-) functional groups, which contribute to its vibrant red hue. This pigment exhibits excellent lightfastness and stability, making it suitable for outdoor applications where exposure to sunlight is a concern. Additionally, Pigment Red 4 is known for its good dispersibility in various media, which enhances its performance in formulations. It is generally considered to have low toxicity, but safety data sheets should be consulted for handling and exposure guidelines. The compound is often evaluated for its environmental impact, and regulatory compliance may vary by region. Overall, Pigment Red 4 is valued for its bright color, stability, and versatility across multiple industries.
Formula:C16H10ClN3O3
InChI:InChI=1S/C16H10ClN3O3/c17-13-9-11(20(22)23)6-7-14(13)18-19-16-12-4-2-1-3-10(12)5-8-15(16)21/h1-9,21H
InChI key:InChIKey=XLTMWFMRJZDFFD-UHFFFAOYSA-N
SMILES:N(=NC1=C(Cl)C=C(N(=O)=O)C=C1)C=2C3=C(C=CC2O)C=CC=C3
Synonyms:
  • (1Z)-1-[(2-chloro-4-nitrophenyl)hydrazono]naphthalen-2(1H)-one
  • 1-(2-Chloro-4-Nitrophenylazo)-2-Naphthol
  • 1-(o-Chloro-p-nitrophenylazo)-2-naphthol
  • 1-[(E)-(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
  • 1-[2-(2-Chloro-4-nitrophenyl)diazenyl]-2-naphthalenol
  • 12094 Red
  • 2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]-
  • 2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]-
  • 2-Naphthol, 1-(2-chloro-4-nitrophenylazo)-
  • ADC Permanent Red Toner R
  • See more synonyms
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