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Sudan I

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Identification
Molecular formula
C16H12N2O2
CAS number
842-07-9
IUPAC name
1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol
State
State

Sudan I is typically found as a solid at room temperature. It is often a fine crystalline powder or granules.

Melting point (Celsius)
131.00
Melting point (Kelvin)
404.00
Boiling point (Celsius)
590.00
Boiling point (Kelvin)
863.00
General information
Molecular weight
248.28g/mol
Molar mass
248.2840g/mol
Density
1.4010g/cm3
Appearence

Sudan I is a red crystalline powder. It is known for its brilliant orange-red color, which makes it useful as a dye. It has a grainy texture and can be seen as a fine powder or granules depending on the preparation.

Comment on solubility

Solubility of 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol

The solubility of 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol can be quite intriguing due to its complex structure. Understanding its solubility characteristics is crucial for applications in organic synthesis and material sciences. Here are some important points to consider:

  • Polar vs. Nonpolar Solvents: This compound may exhibit different solubility behaviors depending on the solvent. It is likely to be more soluble in organic solvents such as xylene or ethanol due to the presence of aromatic rings, which generally favor interactions with nonpolar environments.
  • Hydrophilicity and Hydrophobicity: The methoxy groups on the phenyl ring contribute to the hydrophilicity, while the azo and naphthol moieties may enhance hydrophobic interactions. Thus, there could be moderate solubility in polar solvents, but not high.
  • Temperature Dependence: Like many organic compounds, the solubility of 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol is likely to increase with temperature, which can help in dissolving it more effectively in various applications.

In summary, while specific solubility data may be limited, one can infer that the solubility of this compound is influenced by both its functional groups and the nature of the solvent used. This knowledge can effectively guide chemists in their experimental designs and applications.

Interesting facts

Exploring 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol

1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol, commonly identified in chemical studies for its intriguing structural properties, presents a fascinating subject for both scientists and students alike. Here are some engaging facts about this compound:

  • Structural Complexity: This compound features a unique azo linkage which is central to its chemical reactivity and properties. The presence of the 2,5-dimethoxyphenyl group contributes additional dimensions to its molecular interactions.
  • Colorful Applications: Compounds with azo structures are well-known for their vivid colors, making them popular as dyes. They play critical roles in various industries, including textiles and plastics.
  • Biological Significance: Some azo compounds are studied for their potential biological activities, including antimicrobial and antitumor effects. Research in this area could reveal novel therapeutic agents.
  • Synthetic Pathways: Synthesizing 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol showcases the art of organic synthesis, often requiring specific conditions and careful manipulation of reactants to ensure desired outcomes.
  • Research & Development: As scientists continue to explore such compounds, the scope for developing new derivatives and realizing their applications in various fields, including pharmaceuticals, remains vast and ripe for innovation.

In summary, the study of 1-(2,5-dimethoxyphenyl)azonaphthalen-2-ol not only enhances our understanding of azo compounds but also encourages a broader dialogue on their relevance in modern chemistry and potential future applications.

Synonyms
CITRUS RED 2
6358-53-8
Solvent red 80
C.I. Solvent Red 80
Citrus Red
Citrus Red No. 2
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
CI Solvent Red 80
Cerven rozpoustedlova 80
1-(2,5-Dimethoxyphenylazo)-2-naphthol
C.I. 12156
2,5-Dimethoxy-1-(phenylazo)-2-naphthol
1-(2,5-Dimethyloxyphenylazo)-2-naphthol
2,5-Dimethoxybenzeneazo-beta-naphthol
CCRIS 1875
1-(1-(2,5-Dimethoxyphenyl)azo)-2-naphthol
1-((2,5-Dimethoxyphenyl)azo)-2-naphthalenol
2,5-Dimethoxy-1-phenylazo-2-naphthol
HSDB 2948
2-Naphthalenol, 1-[(2,5-dimethoxyphenyl)azo]-
CI 12156
Cerven rozpoustedlova 80 [Czech]
1-((2,5-Dimethoxyphenyl)azo)-2-naphthol
EINECS 228-778-9
BRN 4510811
DTXSID6024838
2-Naphthol, 1-(2,5-dimethoxyphenylazo)-
2-Naphthol, 1-((2,5-dimethoxyphenyl)azo)-
2-Naphthalenol, 1-((2,5-dimethoxyphenyl)azo)-
2QE5Y68984
CITRUS RED 2 [MI]
CITRUS RED 2 [HSDB]
CITRUS RED 2 [MART.]
DTXCID10809925
CITRUS RED NO. 2 [IARC]
E-121
2-Naphthalenol, 1-(2-(2,5-dimethoxyphenyl)diazenyl)-
CITRUS RED 2 (MART.)
CITRUS RED NO. 2 (IARC)
1-[(2,5-Dimethoxyphenyl)azo]-2-Naphthalenol
2-Naphthalenol, 1-[2-(2,5-dimethoxyphenyl)diazenyl]-
2,5Dimethoxybenzeneazobetanaphthol
1(2,5Dimethoxyphenylazo)2naphthol
2,5Dimethoxy1(phenylazo)2naphthol
1(2,5Dimethyloxyphenylazo)2naphthol
2Naphthol, 1(2,5dimethoxyphenylazo)
1(1(2,5Dimethoxyphenyl)azo)2naphthol
1((2,5Dimethoxyphenyl)azo)2naphthalenol
2-5-Dimethoxy-1-(phenylazo)-2-naphthol
2Naphthalenol, 1((2,5dimethoxyphenyl)azo)
2-Naphthol, 1-((2,5-dimethoxyphenyl)azo)
1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol
Citrus Red No.2
1-[(2,5-dimethoxyphenyl)diazenyl]naphthalen-2-ol
C.I. Solvent red 80 (8CI)
1-[(E)-(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol
UNII-2QE5Y68984
SCHEMBL1486044
SCHEMBL9108481
CHEMBL3560990
CHEBI:82306
CHEBI:229850
GJUABKCEXOMRPQ-FMQUCBEESA-N
GJUABKCEXOMRPQ-UHFFFAOYSA-N
Citrus Red 2, analytical standard
Tox21_303891
AKOS003581987
AKOS028109059
2,5-Dimethoxybenzeneazo-.beta.-naphthol
NCGC00357148-01
1-(2,5-Dimethoxy-phenylazo)-2-naphthol
CAS-6358-53-8
DB-225996
CS-0853810
NS00020681
C19214
1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol #
1-[(2,5-Dimethoxyphenyl)azo]-2-naphthalenol, 9CI
Q2653981
1-(2-(2,5-Dimethoxyphenyl)diazenyl)-2-Naphthalenol