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Pigment Orange 5

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Identification
Molecular formula
C17H12ClN5O4
CAS number
3468-63-1
IUPAC name
2-(4-chloro-2-nitro-phenyl)azo-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide
State
State

At room temperature, Pigment Orange 5 is a solid. It is typically produced and used in powdered form, highlighting its utility in industries that require stable colorants.

Melting point (Celsius)
252.00
Melting point (Kelvin)
525.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
365.76g/mol
Molar mass
365.7800g/mol
Density
1.4800g/cm3
Appearence

Pigment Orange 5 appears as an orange powder, owing its vibrant color to its extensive conjugation and azo group. It is commonly used in plastic, rubber, and paint industries for its stable and bright coloration.

Comment on solubility

Solubility of 2-(4-chloro-2-nitro-phenyl)azo-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide

The solubility of 2-(4-chloro-2-nitro-phenyl)azo-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide can be understood through several key factors:

  • Polarity: The presence of polar functional groups, such as the amide and nitro groups, influences the compound's interaction with solvents.
  • Hydrogen Bonding: This compound may engage in hydrogen bonding, potentially enhancing its solubility in polar solvents like water.
  • Solvent Characteristics: Solubility may vary significantly in different solvents, being more soluble in organic solvents compared to water due to the hydrophobic regions from the aromatic rings.
  • pH Dependency: The solubility could shift depending on the pH of the solution, where acidic or basic conditions might lead to ionization of the functional groups impacting solubility.

In summary, the solubility of this compound is likely to be conditional, significantly influenced by the choice of solvent and the environmental conditions it is subjected to. As with many complex organic compounds, experimentation is essential to determine its exact solubility behavior.

Interesting facts

Interesting Facts about 2-(4-chloro-2-nitro-phenyl)azo-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide

This compound is a fascinating example of an azo dye, which is known for its vibrant colors and various applications in the textile and chemical industries. Here are some key points that highlight the significance and characteristics of this compound:

  • Azo Linkage: The presence of the azo group (–N=N–) in its structure contributes to the compound's ability to form highly colored products. Azo compounds are known for their bright hues, making them valuable in dyeing processes.
  • Pharmaceutical Applications: This compound contains a benzimidazole moiety, which is widely recognized in medicinal chemistry for exhibiting a variety of biological activities. Compounds with a benzimidazole framework are often investigated for their potential as anti-cancer, anti-inflammatory, and anti-viral agents.
  • Environmental Implications: The use of chlorinated compounds in dyes has raised environmental concerns, as they can persist in the environment and potentially form harmful byproducts. Industries must carefully manage these compounds to minimize ecological impacts.
  • Structure and Activity Relationship: The unique combination of functional groups in this compound suggests a rich area for research into the structure-activity relationship (SAR). Understanding how different substituents influence biological activity can lead to the design of more effective compounds.
  • Colorimetric Applications: Due to its structural properties, this compound may be employed in analytical chemistry for the detection and quantification of various analytes through colorimetric methods, showcasing its versatility beyond application as a dye.

As a chemistry enthusiast, you might find it intriguing to explore the synthesis of such complex compounds and the plethora of transformations they can undergo. This reflects the **creative** possibilities within the field of organic chemistry and highlights the importance of interdisciplinary approaches!


Synonyms
12236-62-3
Permanent Orange HL
PV Orange HL
HSDB 3902
EINECS 235-462-4
NOVOPERM ORANGE HL
2-[(4-Chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
DTXSID9041732
EC 235-462-4
Butanamide, 2-((4-chloro-2-nitrophenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-
2-((4-Chloro-2-nitrophenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
Butanamide, 2-(2-(4-chloro-2-nitrophenyl)diazenyl)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-
ACETOACETAMIDE, 2-((4-CHLORO-2-NITROPHENYL)AZO)-N-(2-OXO-5-BENZIMIDAZOLINYL)-
235-462-4
Butanamide, 2-[(4-chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-
Butanamide, 2-[2-(4-chloro-2-nitrophenyl)diazenyl]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-
DTXCID10809985
Butanamide, 2((4chloro2nitrophenyl)azo)N(2,3dihydro2oxo1Hbenzimidazol5yl)3oxo
BUTANAMIDE, 2-((4-CHLORO-2-NITROPHENYL)AZO)-N-(2,3-DIHYDRO-2-OXO-1H-BENZIMIDA ZOL-5-YL)-3-OXO-
2-[(4-chloro-2-nitrophenyl)diazenyl]-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide
649L6L708A
Butanamide,2-[(4-chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-
UNII-649L6L708A
SCHEMBL2641841
SCHEMBL2641849
HY-D0488
CS-0010580
NS00004060
Q27263731
2-((4-CHLORO-2-NITROPHENYL)AZO)-N-(2,3-DIHYDRO-2-OXO-1H- BENZIMIDAZOL-5-YL)-3-OXOBUTYRAMIDE