Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid)

The Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) by Dinâmica, available at LojaLab, is 4-aminobenzenesulfonic acid, an aromatic compound bearing amino and sulfonic-acid groups in para positions. The aromatic amine can be diazotized in acidic medium and then coupled with suitable aromatic compounds to form colored azo species. This reaction is used in dye synthesis and colorimetric methods, including Griess nitrite assays when sulfanilic acid is specified.

Characteristics

• 4-Aminobenzenesulfonic acid, also called p-aminobenzenesulfonic acid
• Bifunctional aromatic compound with para amino and sulfonic-acid groups
• Forms diazonium salts that participate in azo-coupling reactions
• CAS 121-57-3, formula C6H7NO3S and molar mass 173.19 g/mol
• Analytical/ACS grade with a 98-102% range.

Applications

• Preparation of reagents for colorimetric nitrite determination by Griess-based methods
• Diazotization and coupling in the synthesis of azo dyes and intermediates
• Development of spectrophotometric methods involving colored-species formation
• Synthesis of sulfanilate salts and functionalized aromatic derivatives
• Studies of acid-base equilibria, solubility and reactivity of zwitterionic compounds.

Technical Specifications

• Product: Sulfanilic Acid Analytical/ACS Grade (4-Aminobenzenesulfonic Acid)
• Brand: Dinâmica Química
• Grade: Analytical/ACS grade, 98-102%
• CAS number: 121-57-3
• Chemical formula: C6H7NO3S
• Molar mass: 173.19 g/mol
• Available quantities: 100 g, 500 g.

Technical Data

Frequently Asked Questions

What is Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) used for?

The main applications of Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) include preparation of reagents for colorimetric nitrite determination by Griess-based methods; diazotization and coupling in the synthesis of azo dyes and intermediates.

What are the main characteristics of Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid)?

The characteristics listed for Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) include 4-Aminobenzenesulfonic acid, also called p-aminobenzenesulfonic acid; bifunctional aromatic compound with para amino and sulfonic-acid groups.

How should Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) be selected for a laboratory application?

Selection of Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) should consider the grade, presentation, method requirements, and technical specifications described on this page.

What quantities of Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) are available?

Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) is available in 100 g and 500 g. For other quantities, recurring purchases, or larger requirements, contact the sales team to check availability and request a quotation.

How can companies and institutions purchase Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) and request a formal quotation?

Companies, laboratories, educational institutions, and research organizations can purchase Sulfanilic Acid Analytical Grade (4-Aminobenzenesulfonic Acid) directly from LojaLab. For recurring purchases, internal approval processes, research funding, public procurement, or formal quotation requirements, contact the sales team.

Professional Use and Safety Guidance

This product is intended for professional use in scientific research, laboratory analysis, education, and compatible industrial applications.

Each product has its own handling, storage, and disposal requirements. Before use, consult the corresponding SDS and follow the manufacturer's instructions and the safety procedures adopted by the institution.

LojaLab provides guidance on product selection and provenance; defining the use protocol and verifying suitability for the final application are the responsibility of the purchasing professional or institution.