Description

3,5-Dibromo-4-Nitroso-Benzenesulfonic Acid Sodium Salt is a specialized aromatic sulfonate derivative, valued for its unique combination of bromine and nitroso functional groups. This compound serves as a critical synthetic intermediate and functional additive in advanced chemical manufacturing. It is primarily required by R&D laboratories and industrial producers in the pharmaceutical, agrochemical, and specialty dye sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring brominated aromatic scaffolds.
• Agrochemical Synthesis: Serves as a key building block for developing novel herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a precursor for synthesizing specialized azo dyes and colorants with enhanced light-fastness properties.
• Chemical Research & Development: Employed in organic synthesis for introducing sulfonate and nitroso groups into target molecules.
• Polymer Modification: Utilized as a functional monomer or additive to impart specific ionic or reactive properties to polymer chains.
• Cross-coupling Reactions: Functions as a substrate in palladium-catalyzed reactions (e.g., Suzuki, Heck) due to the presence of bromine substituents.

Basic Information

Product Name	3,5-Dibromo-4-Nitroso-Benzenesulfonic Acid Sodium Salt
CAS No.	78824-09-6
Molecular Formula	C6H2Br2NNaO4S
Molecular Weight	374.95 g/mol
Synonyms	Sodium 3,5-dibromo-4-nitrosobenzenesulfonate; Benzenesulfonic acid, 3,5-dibromo-4-nitroso-, sodium salt; 4-Nitroso-3,5-dibromobenzenesulfonic acid sodium salt; 3,5-Dibromo-4-nitrosobenzenesulfonate sodium; Sodium 3,5-dibromo-4-nitrosobenzenesulphonate
EINECS	Contact for details

Quality Control

Our 3,5-Dibromo-4-Nitroso-Benzenesulfonic Acid Sodium Salt is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) documenting all critical quality attributes is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 3.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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