Description

Benzaldehyde-2,4-Disulfonic Acid Disodium Salt is a key sulfonated aromatic intermediate, prized for its water-solubility and reactivity as a building block for more complex molecules. This compound is essential for manufacturers requiring a stable, ionic precursor for synthesis in demanding aqueous-phase reactions. It is primarily sought by the dye, pharmaceutical, and specialty chemical industries for creating sulfonated dyes, pharmaceutical intermediates, and functional materials.

Application

• Dye and Pigment Intermediate: A crucial precursor for the synthesis of water-soluble, sulfonated azo dyes and acid dyes used in textiles, leather, and paper.
• Pharmaceutical Synthesis: Serves as a building block for creating sulfonated drug candidates and active pharmaceutical ingredients (APIs) where enhanced solubility is required.
• Chemical Intermediate: Used in organic synthesis for introducing sulfonate groups into target molecules, modifying their polarity and solubility profiles.
• Photographic Chemicals: Can be employed in the manufacture of certain specialty chemicals used in photographic development processes.
• Research & Development: Utilized in academic and industrial R&D labs for exploring new synthetic routes and functional materials.
• Cross-linking Agent: Potential use in the production of ion-exchange resins or other polymeric materials requiring ionic functionality.

Basic Information

Product Name	Benzaldehyde-2,4-Disulfonic Acid Disodium Salt
CAS No.	33513-44-9
Molecular Formula	C7H4Na2O7S2
Molecular Weight	326.21 g/mol
Synonyms	2,4-Disulfobenzaldehyde Disodium Salt; Benzaldehyde-2,4-disulfonic Acid Sodium Salt; Disodium 2,4-Disulfobenzaldehyde; 2,4-Bis(sulfonyl)benzaldehyde Disodium Salt; 2-Formylbenzene-1,5-disulfonic Acid Disodium Salt; 2,4-Disulfo Benzaldehyde Disodium Salt; 4-Formyl-m-benzenedisulfonic Acid Disodium Salt
EINECS	Contact for details

Quality Control

Our Benzaldehyde-2,4-Disulfonic Acid Disodium Salt is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and meets specifications critical for industrial synthesis. A Certificate of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee supply reliability and product integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (in Water)	Clear, colorless solution

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