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Orange G

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Identification
Molecular formula
C16H10N2Na2O7S2
CAS number
1936-15-8
IUPAC name
sodium;2-carboxy-4-(4-nitrophenyl)azo-phenolate
State
State

At room temperature, Orange G is a solid. It is often provided as a powder or crystalline solid.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
250.00
Boiling point (Kelvin)
523.00
General information
Molecular weight
452.37g/mol
Molar mass
452.3650g/mol
Density
1.1275g/cm3
Appearence

Orange G is an organic compound that appears as a bright orange powder or crystals. It is typically used as a dye or stain.

Comment on solubility

Solubility of Sodium 2-Carboxy-4-(4-Nitrophenyl)Azo-Phenolate

Sodium 2-Carboxy-4-(4-nitrophenyl)azo-phenolate, commonly referred to as a dye and indicator compound, exhibits distinctive solubility characteristics that are quite interesting. Here are some key points to consider:

  • Solubility in Water: This compound is generally soluble in water, which makes it useful in various applications, particularly in analytical chemistry as a pH indicator.
  • Polar Nature: The presence of both the sodium salt and carboxyl functional groups contributes to its polar nature, enhancing its ability to dissolve in polar solvents like water.
  • Solvent Influence: While it is soluble in water, its solubility can be affected when mixed with different solvents. For example, non-polar solvents may not effectively solvate the compound due to lack of similar polarity.
  • Temperature Dependency: The solubility may also fluctuate with temperature; typically, an increase in temperature can enhance solubility for several ionic compounds.

In summary, the solubility of sodium 2-carboxy-4-(4-nitrophenyl)azo-phenolate is primarily influenced by its ionic and polar characteristics, making it soluble in aqueous solutions but less so in non-polar environments. Understanding the solubility profile of this compound is essential for its effective application in scientific research and industries.

Interesting facts

Exploring Sodium 2-Carboxy-4-(4-Nitrophenyl)Azo-Phenolate

Sodium 2-carboxy-4-(4-nitrophenyl)azo-phenolate is a fascinating compound with intriguing properties and applications. Here are some noteworthy points to consider:

  • Colorimetric Applications: This compound is widely recognized for its use in colorimetric assays due to the azo group, which provides vivid coloration that can be readily analyzed.
  • Analytical Chemistry: It is employed in various analytical methods, most notably as a reagent for determining the presence of metals like Cu, Pb, and Fe in solutions.
  • Biochemical Significance: The presence of the carboxylic acid group enhances the solubility and reactivity of the compound, making it useful in biochemical assays.
  • Research Utility: Sodium 2-carboxy-4-(4-nitrophenyl)azo-phenolate serves as a valuable tool in research settings, helping scientists explore complex chemical reactions and pathways.
  • Toxicity Considerations: While useful in laboratories, the azo compounds can sometimes exhibit toxicity, which underscores the importance of handling and disposal regulations in research.

In conclusion, sodium 2-carboxy-4-(4-nitrophenyl)azo-phenolate is more than just a chemical formula; it plays a pivotal role in both analytical and biochemistry fields. As researchers maneuver through the complexities of its applications, the compound remains a vital subject of study with potential for further discovery and innovation.

Synonyms
Alizarin Yellow R sodium salt
Mordant Yellow 3R
Sodium 5-[(4-nitrophenyl)azo]salicylate
Alizarine Yellow R sodium
C.I. Mordant Orange 1, monosodium salt
NSC 4895
NSC 4991
EINECS 217-002-4
Alizarin Yellow R, sodium salt
Sodium 5-((4-nitrophenyl)azo)salicylate
R1T3O0G585
Salicylic acid, 5-((p-nitrophenyl)azo)-, sodium salt
2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid sodium salt
Salicylic acid, 5-((p-nitrophenyl)azo)-, monosodium salt
ALIZARIN YELLOW R SODIUM
NSC-4991
Benzoic acid, 2-hydroxy-5-(2-(4-nitrophenyl)diazenyl)-, sodium salt (1:1)
NSC-4895
CI MORDANT ORANGE 1, MONOSODIUM SALT
SALICYLIC ACID, 5-(P-NITROPHENYLAZO)-, SODIUM SALT
Benzoic acid, 2-hydroxy-5-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:1)
Sodium pnitrobenzeneazosalicylate
Sodium 5((4nitrophenyl)azo)salicylate
5(pNitrophenylazo)salicylic acid sodium salt
C.I. Mordant Orange 1, monosodium salt (8CI)
Salicylic acid, 5((pnitrophenyl)azo), sodium salt
2Hydroxy5((4nitrophenyl)azo)benzoic acid sodium salt
Salicylic acid, 5((pnitrophenyl)azo), monosodium salt
Benzoic acid, 2hydroxy5((4nitrophenyl)azo), monosodium salt
Benzoic acid, 2hydroxy5(2(4nitrophenyl)diazenyl), sodium salt (1:1)
1718-34-9
Sodium p-nitrobenzeneazosalicylate
C.I. Mordant Orange 1
5-(p-Nitrophenylazo)salicylic acid sodium salt
sodium;2-carboxy-4-[(4-nitrophenyl)diazenyl]phenolate
Alizarin yellow R (sodium salt)
BENZOIC ACID, 2-HYDROXY-5-((4-NITROPHENYL)AZO)-, MONOSODIUM SALT
Benzoic acid, 2-hydroxy-5-[(4-nitrophenyl)azo]-, monosodium salt
CHEMBL176350
NSC4895
UNII-R1T3O0G585
AlizarinYellowRsodiumsalt
SCHEMBL264266
CHEMBL2028449
DTXSID9024433
MFCD00067121
AKOS015903793
AKOS024387378
AKOS025116704
AKOS030241948
FA52710
A0207
A0579
NS00048339
5-(4-Nitrophenylazo)salicylic acid sodium salt
Q27287677
sodium 2-hydroxy-5-[(e)-(4-nitrophenyl) diazenyl]benzoate
sodium 2-hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoate
sodium 2-carboxy-4-[2-(4-nitrophenyl)diazen-1-yl]benzenolate
Mordant Yellow 3R;CI 1495;2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid monosodium salt
sodium 3-[2-(4-nitrophenyl)hydrazin-1-ylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate