Description

2,5-Disulphobenzaldehyde is a key aromatic aldehyde derivative featuring two sulfonic acid groups, which impart high water solubility and reactivity. This compound serves as a versatile and valuable chemical intermediate in the synthesis of more complex molecules, particularly dyes and optical brighteners. It is essential for manufacturers in the specialty chemicals and fine chemicals sectors seeking to produce sulfonated derivatives with specific functional properties.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing water-soluble, sulfonated azo dyes and fluorescent brightening agents (OBAs).
• Pharmaceutical Synthesis: Used as a specialized intermediate in the research and production of active pharmaceutical ingredients (APIs) requiring sulfonic acid functionality.
• Chemical Research & Development: Employed in organic synthesis for creating novel ligands, catalysts, or functional materials due to its reactive aldehyde and sulfonate groups.
• Cross-linking Agent: Potential use in polymer chemistry for modifying resins or creating cross-linked networks.
• Analytical Reagent: Can serve as a derivatization agent or a standard in analytical chemistry applications.

Basic Information

Product Name	2,5-Disulphobenzaldehyde
CAS No.	51818-11-2
Molecular Formula	C7H6O7S2
Molecular Weight	266.25 g/mol
Synonyms	2,5-Disulfobenzaldehyde; Benzaldehyde-2,5-disulfonic acid; 2,5-Bis(sulfo)benzaldehyde; 2,5-Disulphonylbenzaldehyde; 2,5-Disulfonylbenzaldehyde; 2,5-Disulphobenzaldehyde; 2,5-Disulfonic acid benzaldehyde
EINECS	Contact for details

Quality Control

Our 2,5-Disulphobenzaldehyde is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific technical requirements.

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) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials such as strong oxidizing agents, strong bases, and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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