Description

4-Methoxybenzaldehyde-3-Sulfonic Acid Sodium Salt is a key organic intermediate and sulfonated aromatic aldehyde derivative. This compound is valued for its water-solubility and reactivity, making it a versatile building block for more complex chemical syntheses. It is primarily sought by manufacturers in the pharmaceutical, dye, and specialty chemical industries for the production of active ingredients, colorants, and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a sulfonated aromatic moiety.
• Dye and Pigment Manufacturing: Serves as a key precursor for producing water-soluble dyes, acid dyes, and reactive dyes.
• Chemical Synthesis: Acts as a versatile building block for creating more complex sulfonated aromatic compounds and fine chemicals.
• Research & Development: Employed in academic and industrial R&D labs for exploring new synthetic pathways and material properties.
• Photographic Chemicals: Can be used in the formulation of certain specialty photographic chemicals.
• Cross-linking Agent: Potential use in polymer chemistry as a modifying or cross-linking agent for specific resins.

Basic Information

Product Name	4-Methoxybenzaldehyde-3-Sulfonic Acid Sodium Salt
CAS No.	5393-59-9
Molecular Formula	C8H7NaO5S
Molecular Weight	238.19 g/mol
Synonyms	Sodium 4-Methoxybenzaldehyde-3-sulfonate; 3-Formyl-4-methoxybenzenesulfonic Acid Sodium Salt; 4-Methoxy-3-sulfobenzaldehyde Sodium Salt; p-Anisaldehyde-3-sulfonic Acid Sodium Salt; Sodium p-Anisaldehyde-3-sulfonate; 4-Methoxybenzaldehyde-3-sulfonic Acid Sodium Salt; 3-Sulfo-4-methoxybenzaldehyde Sodium Salt
EINECS	226-377-7

Quality Control

Our 4-Methoxybenzaldehyde-3-Sulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and meets the agreed-upon specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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