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CAS 3056-93-7

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C.I. Basic Orange 21

Description:
C.I. Basic Orange 21, with the CAS number 3056-93-7, is a synthetic dye belonging to the class of azo dyes, which are characterized by the presence of one or more azo groups (-N=N-). This compound is primarily used in the textile industry for dyeing fabrics, particularly those made from acrylic fibers, due to its vibrant orange hue and good lightfastness. It exhibits solubility in water, which facilitates its application in various dyeing processes. Basic Orange 21 is known for its strong color intensity and is often utilized in applications requiring bright, vivid colors. However, like many synthetic dyes, it may pose environmental and health concerns, necessitating careful handling and disposal. The dye's stability and performance can be influenced by factors such as pH and temperature during application. Overall, C.I. Basic Orange 21 is a versatile dye with significant industrial relevance, but it requires responsible management to mitigate potential risks associated with its use.
Formula:C22H23ClN2
InChI:InChI=1/C22H22N2.ClH/c1-15-16(17-9-5-7-11-19(17)23-15)13-14-21-22(2,3)18-10-6-8-12-20(18)24(21)4;/h5-14H,1-4H3;1H
InChI key:InChIKey=ZOMLUNRKXJYKPD-UHFFFAOYSA-N
SMILES:CC1(C)C=2C(N(C)C1=CC=C3C=4C(N=C3C)=CC=CC4)=CC=CC2.Cl
Synonyms:
  • 1,3,3-Trimethyl-2-[2-(2-methylindol-3-yl)vinyl]-3H-indolium chloride
  • 1,3,3-trimethyl-2-[(E)-2-(2-methyl-1H-indol-3-yl)ethenyl]-3H-indolium chloride
  • 1H-Indole, 2,3-dihydro-1,3,3-trimethyl-2-[(2-methyl-3H-indol-3-ylidene)ethylidene]-, monohydrochloride
  • 1H-Indole, 2,3-dihydro-1,3,3-trimethyl-2-[2-(2-methyl-3H-indol-3-ylidene)ethylidene]-, hydrochloride (1:1)
  • 3H-Indolium, 1,3,3-trimethyl-2-[2-(2-methylindol-3-yl)vinyl]-, chloride
  • Aizen Cathilon Orange GL
  • Aizen Cathilon Orange GLH
  • Albright orange
  • Astrazon Orange
  • Astrazon Orange 3R
  • See more synonyms
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