833-66-9

Basic information

• Product Name: 2-Naphthol-6-sulfonic acid potassium salt
• Synonyms: 6-hydroxy-2-naphthalenesulfonicacimonopotassiumsalt;6-Hydroxy-2-naphthalenesulfonic acid Monopotassium salt;potassium 6-hydroxynaphthalene-2-sulphonate;Schaeffer's Acid Potasium salt;SCHAEFFERS SALT (POTASSIUM);2-NAPHTHOL-6-SULFONIC ACID POTASSUIM SALT;2-Naphthol-6-sulfoni;6-Hydroxy-2-naphthalenesulfonic Acid Potassium Salt 2-Naphthol-6-sulfonic Acid Potassium Salt Potassium 2-Naphthol-6-sulfonate Schaeffer's Acid Potassium Salt
• CAS NO: 833-66-9
• Molecular Formula: C₁₀H₇O₄S*K
• Molecular Weight: 262.32
• EINECS: 212-631-0
• Product Categories: Intermediates of Dyes and Pigments
• Mol File: 833-66-9.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility: DMSO (Slightly), Methanol (Slightly, Sonicated)
• CAS DataBase Reference: 2-Naphthol-6-sulfonic acid potassium salt(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Naphthol-6-sulfonic acid potassium salt(833-66-9)
• EPA Substance Registry System: 2-Naphthol-6-sulfonic acid potassium salt(833-66-9)

Safety Data

• Hazard Codes: Xi
• Statements: 36
• Safety Statements: 26
• Hazardous Substances Data: 833-66-9(Hazardous Substances Data)

Usage

Description

2-Naphthol-6-sulfonic acid potassium salt is an organic compound that serves as an important intermediate in the chemical industry. It is a derivative of naphthalene, a polycyclic aromatic hydrocarbon, and possesses a sulfonic acid group attached to the 6-position and a hydroxyl group at the 2-position. 2-Naphthol-6-sulfonic acid potassium salt is soluble in water and exhibits acidic properties due to the presence of the sulfonic acid group.

Uses

Used in Dye and Pigment Industry:
2-Naphthol-6-sulfonic acid potassium salt is used as a key intermediate in the synthesis of azo dyes and pigments. Azo dyes are a class of colorants that are widely used in various applications, including textiles, plastics, and printing inks. 2-Naphthol-6-sulfonic acid potassium salt plays a crucial role in the formation of these dyes, as it can react with diazotization reagents to form azo bonds, which impart color to the final product.
In the synthesis of azo dyes, 2-naphthol-6-sulfonic acid potassium salt is first diazotized to form a diazonium salt. This diazonium salt can then react with a coupling component, such as a phenol or amine, to form the azo dye. The resulting dyes exhibit a wide range of colors and are known for their excellent color strength, lightfastness, and resistance to fading.
Furthermore, 2-naphthol-6-sulfonic acid potassium salt can also be used in the production of pigments, which are insoluble colorants used in paints, coatings, and other applications. The sulfonic acid group in the compound allows for the formation of water-soluble derivatives, which can be used to prepare pigment dispersions with improved stability and color properties.

InChI:InChI=1/C10H8O4S.K/c11-9-3-1-8-6-10(15(12,13)14)4-2-7(8)5-9;/h1-6,11H,(H,12,13,14);/q;+1/p-1

Downstream Products

• 2065-70-5 2,6-dichloronaphthalene