Description

5-[3-(4-Hydroxy-3-Sulfophenyl)-1-Oxo-2-Propenyl]-2,4-Dimethoxybenzenesulfonic Acid Disodium Salt is a high-purity, water-soluble disodium salt of a complex sulfonated aromatic ketone. This compound is valued for its strong chelating properties and its role as a key intermediate in the synthesis of specialized dyes, pigments, and optical brighteners. It is primarily sought by manufacturers in the fine chemicals, specialty dyes, and advanced material sectors for applications requiring precise molecular structure and consistent batch-to-batch quality.

Application

• Specialty Dye & Pigment Intermediate: A critical building block for synthesizing high-value azo and anthraquinone dyes.
• Optical Brightener Production: Used in the manufacture of stilbene-based fluorescent whitening agents for paper, textiles, and detergents.
• Fine Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Chelating Agent: Utilized in formulations where binding to metal ions is required, such as in certain cleaning or water treatment processes.
• Research & Development: Employed in academic and industrial R&D for developing new functional materials and studying sulfonated polymer chemistry.

Basic Information

Product Name	5-[3-(4-Hydroxy-3-Sulfophenyl)-1-Oxo-2-Propenyl]-2,4-Dimethoxybenzenesulfonic Acid Disodium Salt
CAS No.	30251-88-8
Molecular Formula	C₁₇H₁₄Na₂O₁₀S₂
Molecular Weight	488.38 g/mol
Synonyms	2,4-Dimethoxy-5-[3-(4-hydroxy-3-sulfophenyl)-1-oxo-2-propenyl]benzenesulfonic Acid Disodium Salt; Disodium 5-[3-(4-Hydroxy-3-sulfophenyl)-1-oxo-2-propenyl]-2,4-dimethoxybenzenesulfonate; 2,4-Dimethoxy-5-(3-(4-hydroxy-3-sulfophenyl)acryloyl)benzenesulfonic Acid Disodium Salt; Benzenesulfonic acid, 5-[3-(4-hydroxy-3-sulfophenyl)-1-oxo-2-propenyl]-2,4-dimethoxy-, disodium salt
EINECS	Contact for details

Quality Control

Our production of 5-[3-(4-Hydroxy-3-Sulfophenyl)-1-Oxo-2-Propenyl]-2,4-Dimethoxybenzenesulfonic Acid Disodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthesis processes. 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, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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