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Sudan I

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Identification
Molecular formula
C16H12N2O
CAS number
842-07-9
IUPAC name
2-methyl-4-(4-phenylazophenyl)azo-phenol
State
State

Sudan I is typically a solid at room temperature.

Melting point (Celsius)
132.00
Melting point (Kelvin)
405.15
Boiling point (Celsius)
407.00
Boiling point (Kelvin)
680.15
General information
Molecular weight
248.28g/mol
Molar mass
248.2780g/mol
Density
1.1690g/cm3
Appearence

Sudan I is a yellow to orange-red crystalline powder. It is commonly used as a dye and is known for its intense color properties.

Comment on solubility

Solubility of 2-methyl-4-(4-phenylazophenyl)azo-phenol

The solubility of 2-methyl-4-(4-phenylazophenyl)azo-phenol in various solvents exhibits interesting characteristics that are crucial for its applications in different fields.

Factors Affecting Solubility

Several factors influence the solubility of this compound:

  • Polarity: The compound has both polar and non-polar functional groups, which may lead to varied solubility in polar versus non-polar solvents.
  • Temperature: As with many organic compounds, increasing temperature generally increases solubility.
  • pH Levels: The solubility can change depending on the acidity or basicity of the solution.

Typical Solvent Behavior

In terms of solvent interaction, it is likely to be soluble in:

  • Organic solvents such as ethanol or acetone due to its hydrophobic aromatic structures.
  • Less soluble in water due to its larger non-polar sections which do not interact well with polar solvent molecules.

In conclusion, understanding the solubility of 2-methyl-4-(4-phenylazophenyl)azo-phenol not only aids in its practical applications but also highlights the intricate balance of molecular interactions at play. As stated, "the solubility of a compound is often a key indicator of its chemical behavior and reactivity," making it a fundamental aspect for scientists to consider in research and development.

Interesting facts

Interesting Facts About 2-methyl-4-(4-phenylazophenyl)azo-phenol

2-methyl-4-(4-phenylazophenyl)azo-phenol, a compound within the azo dye family, showcases an intriguing combination of chemical properties and applications. Azo compounds are characterized by the presence of one or more azo groups (N=N), attaching two aromatic systems. Here are some captivating aspects of this compound:

  • Dyes and Pigments: 2-methyl-4-(4-phenylazophenyl)azo-phenol is primarily utilized in the dye industry, especially as a colorant for textiles and other materials. Its vibrant hues and stability make it a popular choice for creating lasting colors.
  • Structure and Function: The presence of the methyl group and the azo linkage contributes to its unique characteristics, enabling the compound to exhibit various spectral properties that can be fine-tuned for specific applications.
  • Versatile Applications: Beyond textiles, this compound is also used in plastics, inks, and even cosmetics, providing color and aesthetic appeal across multiple industries.
  • Environmental Impact: As with many azo dyes, concerns about environmental safety and toxicity have arisen. Research continues into the biodegradability and ecotoxicity of azo compounds to promote safer alternatives.
  • Cultural Significance: Azo dyes, including this compound, have played a significant role in the history of dyeing techniques and art. They have been essential in creating the vivid colors that define many artistic traditions around the world.

In summary, 2-methyl-4-(4-phenylazophenyl)azo-phenol not only signifies an important class of compounds in chemistry, but also underscores the intersection of science and culture through its role in dye production and application. As research in this field progresses, understanding these compounds' full potential will remain a key area of study.

Synonyms
Disperse Yellow 7
Phenol, 2-methyl-4-((4-(phenylazo)phenyl)azo)-
Phenol, 2-methyl-4-[[4-(phenylazo)phenyl]azo]-
4-((p-(Phenylazo)phenyl)azo)-o-cresol
4-[[p-(phenylazo)phenyl]azo]-o-cresol
Phenol, 2-methyl-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-
Phenol, 2-methyl-4-(2-(4-(2-phenyldiazenyl)phenyl)diazenyl)-
DY 7 dye
228-587-0
6300-37-4
4-[4-(Phenylazo)phenylazo]-o-cresol
Disperse Fast Yellow 4K
Palanil Yellow 5R
Resolin Yellow 5R
Celliton Yellow 5R
Vonteryl Yellow 3R
Samaron Yellow 5RL
Tersetile Yellow 5R
Cilla Fast Yellow 5R
Dianix Fast Yellow 5R
Kayalon Fast Yellow 4R
Celliton Fast Yellow 5R
Supracet Fast Yellow 4R
Acetate Fast Yellow 5RL
Celliton Discharge Yellow 5RL
C.I. DISPERSE YELLOW 7
C.I. 26090
2-methyl-4-[(4-phenyldiazenylphenyl)diazenyl]phenol
o-Cresol, 4-((p-(phenylazo)phenyl)azo)-
4-((4-Phenylazo)phenylazo)-2-methylphenol
NSC-45573
Azofenol 4K
Yellow stable 4K
Palanil Yellow 5RX
Dianix Yellow 5R-E
Yellow Fast Dye 4K
Tersetile Yellow 5RL
DZhp-4K
Serisol Fast Yellow N 5RD
Disperse Dye Fast Yellow 4K
Tulasteron Fast Yellow 5R-B
4-[(4-Phenylazo)phenylazo]-2-methylphenol
o-Cresol, 4-[[p-(phenylazo)phenyl]azo]-
EINECS 228-587-0
Benzene-1-azobenzene-4-azo-o-cresol
NSC 45573
BRN 0925990
Serisol Fast Yellow N5RD
Disperse Yellow 7 100 microg/mL in Acetonitrile
SCHEMBL59885
8Y67EML72D
SCHEMBL2854329
DTXSID9064217
BCP31477
NSC45573
NSC45573?
AKOS015916075
Disperse Yellow 7, Dye content 95 %
FD164190
TS-09947
4-hydroxy-3-methyl4'-phenylazo-azobenzene
NS00044626
2-Methyl-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]phenol
2-methyl-4-{2-[4-(2-phenylhydrazin-1-ylidene)cyclohexa-2,5-dien-1-ylidene]hydrazin-1-ylidene}cyclohexa-2,5-dien-1-one