CAS 119-28-8

8-Amino-2-naphthalenesulfonic acid

Description:

8-Amino-2-naphthalenesulfonic acid, with the CAS number 119-28-8, is an organic compound characterized by its naphthalene structure substituted with an amino group and a sulfonic acid group. This compound appears as a solid, typically in the form of a crystalline powder, and is known for its solubility in water due to the presence of the sulfonic acid group, which enhances its ionic character. It is commonly used as a dye intermediate and in the synthesis of various organic compounds, particularly in the textile and pharmaceutical industries. The amino group contributes to its reactivity, allowing for further chemical modifications. Additionally, 8-amino-2-naphthalenesulfonic acid exhibits properties that make it useful as a pH indicator and in biochemical applications, such as in the detection of certain biomolecules. Safety considerations include handling it with care, as it may pose health risks upon exposure. Overall, its unique structure and functional groups make it a valuable compound in various chemical applications.

Formula: C₁₀H₉NO₃S

InChI: InChI=1/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)

InChI key: InChIKey=QEZZCWMQXHXAFG-UHFFFAOYSA-N

SMILES: NC=1C2=C(C=CC(S(=O)(=O)O)=C2)C=CC1

Synonyms:

• 1,7-Cleve's acid
• 1,7-Cleves Acid
• 1-Amino-7-naphthalenesulfonic acid
• 1-Amino-7-sulfonaphthalene
• 1-Naphthylamino-7-sulfonic acid
• 2-Naphthalenesulfonic acid, 8-amino-
• 8-Amino-2-naphtalenesulfonic acid
• 8-Amino-2-naphthalenesulfonic acid
• 8-Aminonaphthalene-2-sulfonic acid
• 8-Naphthylamine-2-sulfonic acid
• Cleve's θ-acid
• Cleves acid
• Cleves acid 1,7
• NSC 4983
• NSC 71784
• C.I. 26135
• NAPHTHIONIC ACID SODIUM SALT 0.5-WATER
• 4-AMINONAPHTHALENE-1-SULPHONIC ACID SODIUM SALT
• 4-AMINO-1-NAPHTHALENESULFONIC ACID SODIUM SALT 0.5-WATER
• CLEVE'S ACID
• 1-AMINO-4-SULFONAPHTHALENE SODIUM SALT
• NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT
• ALPHA-NAPHTHYLAMINE-7-SULFONIC ACID
• 1-NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT
• 1-NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT 0.5-WATER
• 1-NAPHTHYLAMINE-7-SULFONIC ACID
• NAPHTHIONIC ACID SODIUM SALT
• 4-AMINONAPHTHALENE-1-SULFONIC ACID SODIUM SALT
• 1,4-SODIUM NAPHTHIONATE
• 4-AMINO-1-NAPHTHALENESULFONIC ACID SODIUM SALT

8-Amino-2-naphthalenesulfonic Acid

CAS: 119-28-8

Formula: C₁₀H₉NO₃S

Purity: >97.0%(T)(HPLC)

Color and Shape: White to Gray to Brown powder to crystal

Molecular weight: 223.25

Ref: 3B-A0356

8-Aminonaphthalene-2-sulfonic acid, 95%

CAS: 119-28-8

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 product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₁₀H₉NO₃S

Purity: 95%

Molecular weight: 223.25

Ref: 02-J65304

8-Aminonaphthalene-2-sulfonic acid

CAS: 119-28-8

Formula: C₁₀H₉NO₃S

Purity: 95%

Color and Shape: Solid

Molecular weight: 223.2484

Ref: IN-DA0032TJ

8-Aminonaphthalene-2-sulfonic acid

CAS: 119-28-8

8-Aminonaphthalene-2-sulfonic acid

Purity: 97%

Molecular weight: 223.25g/mol

Ref: 54-OR80757

8-Amino-2-naphthalenesulfonic acid

CAS: 119-28-8

Formula: C₁₀H₉NO₃S

Purity: (HPLC) ≥ 97.0%

Color and Shape: Grey to yellow or brown powder

Molecular weight: 223.25

Ref: 7W-GX9350

8-Amino-2-NaphthaleneSulfonic Acid

CAS: 119-28-8

Formula: C₁₀H₉NO₃S

Purity: 95%

Color and Shape: Solid

Molecular weight: 223.25

Ref: 10-A0356

1-Amino-7-naphthalenesulfonic Acid

CAS: 119-28-8

Applications 1-Amino-7-naphthalenesulfonic Acid is used as an analyte in the development of several detection and analytical methods.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Pyrzynska, Krystyna: Analy. Sci., 13(4),  629-632 (1997);Hong, S. P., et al.: Chromatographia, 54(1/2), 83-86 (2001)

Formula: C₁₀H₉NO₃S

Color and Shape: Neat

Molecular weight: 223.25

Ref: TR-A618353