Description

Aniline-4-β-Ethyl Sulfonyl Sulfate-2-Sulfonic Acid CAS NO 42986-22-1 is a specialized aniline derivative and sulfonic acid compound, serving as a key intermediate in the synthesis of complex organic molecules. Its value lies in providing a reactive sulfonic acid group and a protected aniline functionality, enabling precise chemical modifications for high-value applications. This product is essential for manufacturers in the dyestuff, pharmaceutical, and advanced material sectors requiring custom-tailored intermediates for research and production.

Application

• Dyestuff and Pigment Intermediate: A crucial building block for synthesizing acid dyes, reactive dyes, and other colorants, particularly those requiring sulfonic acid groups for solubility and fiber affinity.
• Pharmaceutical Synthesis: Used as a specialized intermediate in the production of active pharmaceutical ingredients (APIs) and fine chemicals, where its specific functional groups enable targeted molecular construction.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for academic and industrial R&D, facilitating the study of sulfonation reactions and aniline chemistry.
• Specialty Polymer Production: Acts as a monomer or functionalization agent in creating polymers with ionic or hydrophilic properties, such as ion-exchange resins or water-soluble polymers.
• Photographic Chemical: Can be utilized in the synthesis of certain photographic chemicals and sensitizers due to its light-sensitive aromatic structure.
• Agrochemical Intermediate: Employed in the development of certain herbicides, fungicides, or plant growth regulators that incorporate sulfonated aniline structures.

Basic Information

Product Name	Aniline-4-β-Ethyl Sulfonyl Sulfate-2-Sulfonic Acid
CAS No.	42986-22-1
Molecular Formula	C8H11NO7S2
Molecular Weight	297.31 g/mol
Synonyms	2-Amino-5-[(ethylsulfonyl)sulfamoyl]benzenesulfonic acid; Benzenesulfonic acid, 2-amino-5-[(ethylsulfonyl)sulfamoyl]-; 4-[(Ethylsulfonyl)sulfamoyl]aniline-2-sulfonic acid; Aniline-4-ethylsulfonylsulfate-2-sulfonic acid; 2-Amino-5-(N-ethylsulfonylsulfamoyl)benzenesulfonic acid; 5-[(Ethylsulfonyl)sulfamoyl]-2-aminobenzenesulfonic acid; 2-Amino-5-[(ethylsulfonyl)aminosulfonyl]benzenesulfonic acid; 4-Amino-3-sulfophenyl ethylsulfonyl sulfate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. We employ advanced analytical techniques including HPLC, IR spectroscopy, and titration to verify identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing all relevant specifications are available upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C/59-77°F). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong oxidizing 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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (1% Solution)	2.0 - 4.0

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