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Sudan I

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Identification
Molecular formula
C16H12N2O
CAS number
842-07-9
IUPAC name
1-(2,4-dimethylphenyl)azonaphthalen-2-ol
State
State

At room temperature, Sudan I is typically found in a solid state.

Melting point (Celsius)
131.00
Melting point (Kelvin)
404.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
248.29g/mol
Molar mass
248.2870g/mol
Density
1.0800g/cm3
Appearence

Sudan I appears as a reddish-brown crystalline powder.

Comment on solubility

Solubility of 1-(2,4-dimethylphenyl)azonaphthalen-2-ol

The solubility of 1-(2,4-dimethylphenyl)azonaphthalen-2-ol can be considered within the context of its structural characteristics and functional groups. This compound, containing both aromatic and hydroxyl components, exhibits a tendency to dissolve in various solvents, although certain factors affect its solubility:

  • Aromatic Compounds: Being a derivative of naphthalene, its extensive aromatic system may lead to substantial solubility in organic solvents.
  • Polar vs. Nonpolar Solvents: It tends to dissolve better in polar organic solvents (like alcohols and some ethers) due to the presence of the hydroxyl group.
  • Temperature Dependence: As with many organic compounds, solubility can increase with rising temperatures.

To summarize, while 1-(2,4-dimethylphenyl)azonaphthalen-2-ol shows favorable solubility characteristics in polar environments, its solubility can be significantly impacted by factors such as solvent type, temperature, and the overall molecular structure. As noted, the influence of intermolecular interactions plays a crucial role in determining its behavior in solution:

"The polarity of the functional groups must be considered when predicting solubility.”

Understanding these nuances can help in predicting the behavior of this compound in various chemical environments.

Interesting facts

Insights into 1-(2,4-Dimethylphenyl)azonaphthalen-2-ol

1-(2,4-Dimethylphenyl)azonaphthalen-2-ol is a compound that reflects the fascinating world of organic synthesis and the intricate relationships between molecular structure and application. Here are some intriguing points about this compound:

  • Structural Diversity: The compound's structure showcases a unique azo functional group, which is notable for its contribution to the properties of azo dyes and pigments.
  • Applications: Azo compounds are widely used in various fields, including dyes, pharmaceuticals, and materials science. This particular compound can be explored for its potential applications in dyeing processes.
  • Stability: The presence of the naphthol moiety imparts certain stability characteristics to the compound, as naphthol derivatives often exhibit defined reactive behavior, particularly in electrophilic substitutions.
  • Research Relevance: Compounds like this one are frequently of interest in research, especially within the realms of heterocyclic chemistry and organic synthesis. Scientists often study their synthesis and reaction mechanisms to uncover new compounds and materials.
  • Environmental Concerns: While azo compounds present numerous advantages, it is also crucial to understand their environmental impact. Some azo dyes can degrade to potentially harmful amines, prompting ongoing research into safer alternatives.

In summary, 1-(2,4-dimethylphenyl)azonaphthalen-2-ol is not just a compound of chemical interest; it encapsulates broader themes of utility, research significance, and environmental stewardship in the field of chemistry.

Synonyms
Sudan II
3118-97-6
Solvent Orange 7
Sudan red
C.I. SOLVENT ORANGE 7
2-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]-
Fettorange B
Pyronalrot R
Sudan Orange
Sudan ax
Motirot G
Ceres Orange RR
Cerotinscharlach G
Sudan scarlet 6g
Sudan X
Cerisol Scarlet G
Resoform Orange R
Fat Scarlet 2G
Sudan Orange RPA
Sudan Orange RRA
Grasan Orange 3R
Lacquer Orange VR
Resin Scarlet 2R
Somalia Orange 2R
Waxakol vermilion L
Red B
Rot B
Rot GG fettloeslich
Orange Insoluble RR
Ponceau insoluble olg
Fat Red (yellowish)
1-(2,4-Xylylazo)-2-naphthol
Red No. 5
Aizen Food Red No. 5
Japan Red 5
Somalia Orange A2R
A.F. Red No. 5
Japan Red 505
FD and C Red No. 32
1-(o-Xylylazo)-2-naphthol
C.I.Solvent Orange 7
Sudan Red II
Sudan 2
Oranz rozpoustedlova 7
1-(2,4-Dimethylphenylazo)-2-naphthol
Soudan II
Ceres oranges RR
C.I. 12140
2-Naphthol, 1-(2,4-xylylazo)-
Sudan-Ii-D6
CI 12140
1-(2,4-Xylidylazo)-2-naphthol
1-((2,4-Dimethylphenyl)azo)-2-naphthalenol
AF Red No. 5
MFCD00003896
2-Naphthalenol, 1-((2,4-dimethylphenyl)azo)-
1-[(2,4-dimethylphenyl)diazenyl]naphthalen-2-ol
8C1M5O3ECT
Ext D and C Red No. 14
DTXSID5040706
CHEBI:82534
Sudan 2;Sudan II;Sudan Orange RPA
NSC-10457
Waxakol vermilion
1-((2,4-Dimethylphenyl)diazenyl)naphthalen-2-ol
(E)-1-((2,4-dimethylphenyl)diazenyl)naphthalen-2-ol
2-Naphthalenol, 1-(2-(2,4-dimethylphenyl)diazenyl)-
A F Red No. 5
Color Index No: 12140
CCRIS 906
Fat Red (Yellowish) (VAN)
Ext D & C Red No. 14
Oranz rozpoustedlova 7 [Czech]
1-[(2,4-Dimethylphenyl)azo]-2-naphthalenol
Ext D and C Red. No. 14
FD & C No. 32
HSDB 6365
EINECS 221-490-4
NSC 10457
UNII-8C1M5O3ECT
2-Naphthalenol, 1-[2-(2,4-dimethylphenyl)diazenyl]-
AI3-02853
SudanRedII
sudan2
Sudan II (C.I. 12140)
Japan Red No.5
Somalia Orange A 2R
Sudan 2 100 microg/mL in Acetonitrile
SUDAN II [IARC]
2-Naphthol,4-xylylazo)-
Red 505
colouring agent CI 12140
SCHEMBL338695
Sudan II, analytical standard
AKA505
SCHEMBL2312130
Sudan II, Dye content 90 %
CHEMBL1552233
SCHEMBL11876770
DTXCID50809863
DTXSID80859795
JBTHDAVBDKKSRW-FMQUCBEESA-N
JBTHDAVBDKKSRW-UHFFFAOYSA-N
HY-D0928
NSC10457
Tox21_303836
s6240
STL280475
AKOS003581978
AKOS028109392
2-Naphthalenol,4-dimethylphenyl)azo]-
FD&C RED NO. 32 (DELISTED)
WLN: L66J BNUNR B1 D1& CQ
C.I. SOLVENT ORANGE 7 [HSDB]
Sudan 2; Sudan II; Sudan Orange RPA
NCGC00164083-01
NCGC00357109-01
AC-34717
NCI60_000109
CAS-3118-97-6
CS-0016870
NS00020508
O0101
1-[(2,4-Dimethylphenyl)diazenyl]-2-naphthol
C19526
1-[2-(2,4-Dimethylphenyl)diazenyl]-2-naphthalenol
1-[(E)-(2,4-dimethylphenyl)diazenyl]naphthalen-2-ol
Q15098649
1a[(1E)a2a(2,4aDimethylphenyl)diazena1a yl]naphthalena2aol
(1E)-1-[2-(2,4-dimethylphenyl)hydrazin-1-ylidene]naphthalen-2-one
1-[2-(2,4-DIMETHYLPHENYL)HYDRAZIN-1-YLIDENE]NAPHTHALEN-2-ONE
40881-21-8