CAS 104-23-4

4-Aminoazobenzene-4′-sulfonic acid

Description:

4-Aminoazobenzene-4′-sulfonic acid, also known as Sudan I or by its CAS number 104-23-4, is an organic compound characterized by its azo group, which consists of a nitrogen-nitrogen double bond (-N=N-). This compound features an amino group (-NH2) and a sulfonic acid group (-SO3H) attached to a biphenyl structure, contributing to its solubility in water and its use as a dye. It typically appears as a yellow to orange powder and is known for its vibrant color properties, making it valuable in dyeing applications, particularly in textiles and food products. However, it is important to note that 4-Aminoazobenzene-4′-sulfonic acid has raised health concerns due to its potential carcinogenicity, leading to regulatory scrutiny in various countries. Its chemical stability and reactivity can be influenced by pH and environmental conditions, which are critical factors in its application and handling. Safety measures should be observed when working with this compound due to its toxicological profile.

Formula: C₁₂H₁₁N₃O₃S

InChI: InChI=1S/C12H11N3O3S/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)19(16,17)18/h1-8H,13H2,(H,16,17,18)

InChI key: InChIKey=PPVRMPPLECDING-UHFFFAOYSA-N

SMILES: N(=NC1=CC=C(N)C=C1)C2=CC=C(S(=O)(=O)O)C=C2

Synonyms:

• 4'-Aminoazobenzene-4-sulphonic acid
• 4-(4-Aminophenylazo)benzenesulfonic acid
• 4-(4-Sulfophenylazo)aniline
• 4-Amino-1,1′-azobenzene-4′-sulfonic acid
• 4-Amino-4′-sulfoazobenzene
• 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonic acid
• 4-[2-(4-Aminophenyl)diazenyl]-benzenesulfonic acid
• 4′-Sulfo-4-aminoazobenzene
• Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-
• Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-
• Benzenesulfonic acid, p-(p-aminophenylazo)-
• NSC 4704
• Para-Aminoazobenzene-4-sulfonic acid
• p-[(p-Aminophenyl)azo]benzenesulfonic acid
• potassium 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonate
• sodium 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonate
• C.I. 13011 (Free acid)
• C.I. Food Yellow 6
• C.I. Food Yellow 6
• 4-Aminoazobenzene-4'-sulfonic acid

4-((4-Aminophenyl)Diazenyl)Benzenesulfonic Acid

CAS: 104-23-4

4-((4-Aminophenyl)Diazenyl)Benzenesulfonic Acid

Formula: C₁₂H₁₁N₃O₃S

Purity: 97%

Molecular weight: 277.3

Ref: 54-OR1076774

4-((4-Aminophenyl)Diazenyl)Benzenesulfonic Acid

CAS: 104-23-4

Formula: C₁₂H₁₁N₃O₃S

Purity: 97%

Color and Shape: Solid

Molecular weight: 277.2990

Ref: IN-DA007YDP

4-((4-aminophenyl)diazenyl)benzenesulfonic acid

CAS: 104-23-4

Formula: C₁₂H₁₁N₃O₃S

Purity: 97%

Color and Shape: Solid

Molecular weight: 277.3

Ref: 10-F230157

4'-Aminoazobenzene-4-sulphonic acid

CAS: 104-23-4

'4'-Aminoazobenzene-4-sulphonic acid is a multifunctional dye essential for various biological experiments, aiding researchers in observing and analyzing cell structures, tracking biomolecules, evaluating cell functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Its applications extend from basic scientific research to a broad spectrum of clinical diagnostics, while also being widely utilized in traditional fields like textile dyeing and emerging domains such as functional textile processing, food pigments, and dye-sensitized solar cells.

Formula: C₁₂H₁₁N₃O₃S

Molecular weight: 277.299

Ref: TM-T85450