Description

2,5-Dihydroxybenzenesulphonic Acid is a versatile aromatic sulfonic acid derivative, also known as 2,5-Dihydroxybenzenesulfonic acid. This compound is valued for its dual functional groups, making it a key intermediate in the synthesis of dyes, pigments, and specialty chemicals. It is primarily sought after by manufacturers in the chemical, pharmaceutical, and agrochemical industries for its role in creating complex molecular structures.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of azo dyes, acid dyes, and other colorants.
• Pharmaceutical Synthesis: Used as an intermediate in the production of certain active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Serves as a precursor in the formulation of herbicides and plant growth regulators.
• Chemical Research & Development: Employed in organic synthesis and as a reagent for introducing sulfonic acid groups.
• Photographic Chemicals: Can be used in the preparation of certain developers and sensitizers.
• Corrosion Inhibitor Formulation: Acts as a component in specialty chemical blends for metal surface treatment.

Basic Information

Product Name	2,5-Dihydroxybenzenesulphonic Acid
CAS No.	88-46-0
Molecular Formula	C6H6O5S
Molecular Weight	190.17 g/mol
Synonyms	2,5-Dihydroxybenzenesulfonic Acid; 2,5-Dihydroxybenzene-1-sulfonic Acid; 1,4-Dihydroxy-3-sulfobenzene; 3-Sulfohydroquinone; 2,5-Dihydroxy-1-benzenesulfonic Acid; Hydroquinone-3-sulfonic Acid; 3-Sulfohydroquinone; 2,5-Dihydroxyphenylsulfonic Acid
EINECS	201-834-5

Quality Control

Our 2,5-Dihydroxybenzenesulphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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