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CAS 5280-68-2

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Pigment Red 146

Description:
Pigment Red 146, also known as 1,4-diamino-2,5-dichloroanthraquinone, is an organic pigment widely used in various applications, including coatings, plastics, and inks due to its vibrant red hue and excellent lightfastness. This pigment is characterized by its high tinting strength, which allows for effective coloration even at low concentrations. It exhibits good thermal stability, making it suitable for high-temperature applications. Additionally, Pigment Red 146 is known for its resistance to solvents and chemicals, contributing to its durability in various environments. The pigment is typically insoluble in water and organic solvents, which helps maintain its integrity in formulations. Safety data indicates that while it is generally considered safe for use in many applications, appropriate handling and safety measures should be observed to minimize exposure. Overall, Pigment Red 146 is valued for its performance characteristics, making it a popular choice in the pigment industry.
Formula:C33H27ClN4O6
InChI:InChI=1S/C33H27ClN4O6/c1-42-27-14-13-20(32(40)35-21-10-5-4-6-11-21)16-26(27)37-38-30-22-12-8-7-9-19(22)15-23(31(30)39)33(41)36-25-18-28(43-2)24(34)17-29(25)44-3/h4-18,39H,1-3H3,(H,35,40)(H,36,41)
InChI key:InChIKey=HEKSHDRHZRCZBN-UHFFFAOYSA-N
SMILES:N(=NC1=C(OC)C=CC(C(NC2=CC=CC=C2)=O)=C1)C=3C4=C(C=C(C(NC5=C(OC)C=C(Cl)C(OC)=C5)=O)C3O)C=CC=C4
Synonyms:
  • 12485
  • 2-Naphthalenecarboxamide, N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[2-[2-methoxy-5-[(phenylamino)carbonyl]phenyl]diazenyl]-
  • 2-Naphthalenecarboxamide, N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-
  • 2-Naphthanilide, 4′-chloro-3-hydroxy-2′,5′-dimethoxy-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]azo]-
  • Fuji Fast Carmine 550
  • Helio Fast Carmine BB
  • Hydrocolor Red
  • Karmine FBB 02
  • Lionol Red 5620
  • Microlith Red 3R-A
  • See more synonyms
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