Description

2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid is a specialized organic intermediate featuring a benzenesulfonic acid core functionalized with two acetoacetamide groups. This unique molecular structure makes it a valuable building block for synthesizing complex dyes, pigments, and functional polymers. It is particularly sought after by manufacturers in the fine chemical and advanced material sectors who require high-purity, reactive intermediates for custom synthesis and product development.

Application

• Primary Intermediate for Dyes and Pigments: Serves as a key precursor in the synthesis of high-performance azo dyes, reactive dyes, and organic pigments, contributing to color strength and fastness properties.
• Functional Polymer Synthesis: Used in the production of specialty polymers, including polyamides and polyimides, where it can be incorporated to modify solubility, thermal stability, or introduce sulfonic acid groups for ion-exchange capacity.
• Pharmaceutical Intermediate: Acts as a building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules, leveraging its reactive amino and carbonyl sites.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and resins where its multiple functional groups can participate in crosslinking reactions to enhance network formation and material properties.
• Chemical Research & Development: Employed in academic and industrial R&D labs as a versatile synthon for exploring new chemical entities and material science applications.

Basic Information

Product Name	2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid
CAS No.	70185-87-4
Molecular Formula	C16H18N2O8S
Molecular Weight	398.39 g/mol
Synonyms	2,5-Bis(acetoacetamido)benzenesulfonic acid; Benzenesulfonic acid, 2,5-bis[(1,3-dioxobutyl)amino]-; 2,5-Bis(3-oxobutanamido)benzenesulfonic acid; N1,N4-Bis(3-oxobutanoyl)benzene-1,4-diamine-2-sulfonic acid; Acetoacet-m-phenylenediamine sulfonic acid; AA-mPDA sulfonic acid; 2,5-Di(acetoacetamino)benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all test results are provided and available upon request, supporting 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 (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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