Description

Sodium 3,5-Dibromo-4-Hydroxybenzenesulphonate is a halogenated aromatic sulfonate salt, a versatile chemical intermediate valued for its reactivity and functional groups. This compound is essential for synthesizing advanced materials and specialty chemicals where bromination and sulfonation are key modification steps. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and dye industries for research and production purposes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring brominated aromatic structures.
• Agrochemical Synthesis: Serves as a key building block for herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing brominated dyes and colorants.
• Chemical Research & Development: Employed in organic synthesis for introducing sulfonate and bromo functional groups into target molecules.
• Polymer Modification: Can be used to impart flame retardancy or alter solubility properties in specialty polymers.
• Water Treatment Chemicals: Potential use as a precursor for biocides or scale inhibitors.

Basic Information

Product Name	Sodium 3,5-Dibromo-4-Hydroxybenzenesulphonate
CAS No.	21886-86-2
Molecular Formula	C6H3Br2NaO4S
Molecular Weight	353.95 g/mol
Synonyms	3,5-Dibromo-4-hydroxybenzenesulfonic acid sodium salt; Sodium 3,5-dibromo-4-hydroxybenzenesulfonate; Benzenesulfonic acid, 3,5-dibromo-4-hydroxy-, sodium salt (1:1); Bromophenol Blue sodium salt derivative; 4-Hydroxy-3,5-dibromobenzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 3,5-Dibromo-4-Hydroxybenzenesulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent purity and meets specifications for use as a fine chemical intermediate. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.