Description

3-Acetyl-4-Hydroxybenzenesulfonic Acid is a versatile aromatic sulfonic acid derivative that serves as a key intermediate in the synthesis of more complex organic molecules. Its unique structure, featuring acetyl, hydroxyl, and sulfonic acid functional groups, makes it a valuable building block for creating dyes, pigments, and specialty chemicals. This compound is essential for manufacturers and R&D laboratories in the fine chemical, pharmaceutical, and agrochemical sectors seeking reliable, high-purity intermediates for their synthesis workflows.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes, acid dyes, and other colorants, contributing to chromophore development and solubility.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs) and other bioactive molecules, particularly those requiring sulfonated aromatic structures.
• Agrochemical Manufacturing: Serves as an intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Employed in organic synthesis for introducing sulfonic acid groups and for studying structure-activity relationships in new compounds.
• Specialty Surfactant Production: Can be utilized to synthesize specialized anionic surfactants with specific hydrophilic-lipophilic balance (HLB) properties.
• Photographic Chemical: Acts as a component in certain photographic developers and other light-sensitive formulations.

Basic Information

Product Name	3-Acetyl-4-Hydroxybenzenesulfonic Acid
CAS No.	69262-38-0
Molecular Formula	C8H8O6S
Molecular Weight	232.21 g/mol
Synonyms	4-Hydroxy-3-acetylbenzenesulfonic Acid; 1-(4-Hydroxy-3-sulfophenyl)ethanone; 3-Acetyl-4-hydroxybenzenesulphonic Acid; 3-Acetyl-4-hydroxybenzene-1-sulfonic Acid; Ethanone, 1-(4-hydroxy-3-sulfophenyl)-; 4-Hydroxy-3-acetylphenylsulfonic Acid; 3-Acetyl-4-hydroxyphenylsulfonic Acid; 4-Hydroxy-3-acetylbenzenesulphonic Acid
EINECS	Contact for details

Quality Control

Our 3-Acetyl-4-Hydroxybenzenesulfonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide a Certificate of Analysis (COA) with every shipment, detailing key parameters such as assay, related substances, and physical characteristics. Our quality commitment ensures consistent batch-to-batch reliability for your critical synthesis processes.

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 (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Sulfated Ash	≤ 0.5%

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