CAS 116-63-2

1-Amino-2-naphthol-4-sulfonic acid

Description:

1-Amino-2-naphthol-4-sulfonic acid, with the CAS number 116-63-2, is an organic compound that features both amino and sulfonic acid functional groups. This compound is characterized by its naphthalene structure, which consists of two fused benzene rings, and the presence of an amino group (-NH2) and a sulfonic acid group (-SO3H) at specific positions on the naphthalene ring. It is typically a solid at room temperature and is soluble in water due to the sulfonic acid group, which enhances its polarity. This compound is often used as a dye intermediate and in the synthesis of various organic compounds. Its sulfonic acid group contributes to its acidic properties, making it a weak acid. Additionally, 1-amino-2-naphthol-4-sulfonic acid can participate in various chemical reactions, including diazotization and coupling reactions, which are essential in dye chemistry. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.

Formula: C₁₀H₉NO₄S

InChI: InChI=1S/C10H9NO4S/c11-10-7-4-2-1-3-6(7)9(5-8(10)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)

InChI key: InChIKey=RXCMFQDTWCCLBL-UHFFFAOYSA-N

SMILES: S(=O)(=O)(O)C=1C2=C(C(N)=C(O)C1)C=CC=C2

Synonyms:

• 1,2,4-Acid
• 1-Amino-2-hydroxy-4-naphthalenesulfonic acid
• 1-Amino-2-hydroxy-4-sulfonaphthalene
• 1-Amino-2-naphthol-4-sulfonate
• 1-Amino-2-naphthol-4-sulfonic acid
• 1-Amino-4-sulfo-2-naphthol
• 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-
• 2-Hydroxy-4-sulfo-1-naphthylamine
• 2-Naphthol-4-sulfonic acid, 1-amino-
• 3-Hydroxy-4-amino-1-naphthalenesulfonic acid
• 4-Amino-3-naphthol-1-sulfonic acid
• NSC 25061
• NSC 4986

1-Amino-2-naphthol-4-sulfonic Acid

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: >95.0%(T)(HPLC)

Color and Shape: White to Brown to Dark purple powder to crystal

Molecular weight: 239.25

Ref: 3B-A0367

4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 99%

CAS: 116-63-2

4-Amino-3-hydroxy-1-naphthalenesulfonic acid is used as mordant dyes and acid dyes intermediate. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar pro

Formula: C₁₀H₉NO₄S

Purity: 99%

Color and Shape: Powder, Pale cream or pale pink to purple

Molecular weight: 239.25

Ref: 02-B24339

4-Amino-3-hydroxy-1-naphthalenesulfonic acid, ACS, 90+%

CAS: 116-63-2

4-Amino-3-hydroxy-1-naphthalenesulfonic acid is used as a key starting material for the preparation of naphthalenesulfonic acid derivatives by reacting with palmitoyl chloride, which shows the activity to inhibit DNA polymerase and ribonuclease H Activities of HIV-1 reverse transcriptase. It is also

Formula: C₁₀H₉NO₄S

Purity: 90+%

Molecular weight: 239.25

Ref: 02-036290

1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: 95%

Color and Shape: Solid

Molecular weight: 239.2478

Ref: IN-DA000BCI

4-Amino-3-hydroxy-1-naphthalenesulfonic acid, ACS grade

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: ≥ 90.0%

Color and Shape: White to pink-brown or light purple powder

Molecular weight: 239.25

Ref: 7W-GW5511

4-Amino-3-hydroxy-1-naphthalenesulfonic acid

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: ≥ 95.0%

Color and Shape: White to pink-brown or light purple powder

Molecular weight: 239.25

Ref: 7W-GW5931

1-Amino-2-Naphthol-4-Sulfonic Acid

CAS: 116-63-2

1-Amino-2-Naphthol-4-Sulfonic Acid

Purity: 98%

Molecular weight: 239.25g/mol

Ref: 54-OR1009357

1-Amino-2-naphthol-4-sulfonic acid

CAS: 116-63-2

1-Amino-2-naphthol-4-sulfonic acid is a fluorescent dye that belongs to the class of naphtholsulfonates. It has been shown to react with protonated hydroxyl groups, which are present in the matrix, and form an electrochemical impedance spectrum. The fluorescence of tryptophan can be used as a probe to detect the presence of 1-amino-2-naphthol-4-sulfonic acid in a solution. This reaction mechanism suggests that adsorption is the dominating process for 1-amino-2-naphthol-4-sulfonic acid.

Formula: C₁₀H₉NO₄S

Color and Shape: Powder

Molecular weight: 239.25 g/mol

Ref: 3D-FA52648

1-Amino-2-Naphthol-4-Sulphonic Acid (1,2,4-Acid) , ACS, 90%

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: min. 90%

Color and Shape: White to slightly brownish pink, Crystalline powder

Molecular weight: 239.25

Ref: SR-79911

4-Amino-3-hydroxynaphthalene-1-sulfonic acid

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Purity: 95%

Color and Shape: Crystalline,Powder

Molecular weight: 239.25

Ref: 10-F448725

1-Amino-2-naphthol-4-sulfonic Acid

CAS: 116-63-2

Formula: C₁₀H₉NO₄S

Color and Shape: Neat

Molecular weight: 239.25

Ref: TR-A619008