Description

3,5-Dibromosulfanilic Acid, Sodium Salt is a high-purity, organobromine derivative of sulfanilic acid, serving as a critical intermediate in advanced chemical synthesis. Its value lies in providing a reactive, water-soluble aromatic system with two bromine atoms for selective functionalization. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty dye industries, where it is used to build complex molecules and create active agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in developing brominated compounds with targeted biological activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where the dibromo-substituted aromatic ring contributes to product efficacy.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes and pigments, imparting specific color properties and lightfastness.
• Chemical Research & Development: A versatile reagent in organic synthesis labs for coupling reactions, electrophilic substitutions, and as a model compound in methodological studies.
• Analytical Chemistry: Can be employed as a standard or reagent in specific chromatographic or spectroscopic analytical methods.
• Material Science: Potential use in the synthesis of functionalized polymers or advanced organic materials requiring sulfonate and bromine functionalities.

Basic Information

Product Name	3,5-Dibromosulfanilic Acid, Sodium Salt
CAS No.	78824-10-9
Molecular Formula	C6H3Br2NNaO3S
Molecular Weight	374.95 g/mol
Synonyms	Benzenesulfonic acid, 2-amino-3,5-dibromo-, sodium salt; Sodium 3,5-dibromo-4-aminobenzenesulfonate; 4-Amino-3,5-dibromobenzenesulfonic acid sodium salt; 3,5-Dibromo-4-aminobenzenesulfonic acid sodium salt; 3,5-Dibromosulfanilate sodium; Sodium 3,5-dibromosulfanilate; 2-Amino-3,5-dibromobenzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our 3,5-Dibromosulfanilic Acid, Sodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthesis applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and strong acids. The product may be hygroscopic; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility (1% in Water)	Clear, colorless to pale yellow solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.