Description

4-Acetamidobenzenesulfinic Acid Sodium Salt is a key organic intermediate and reducing agent with significant utility in fine chemical synthesis. Its value lies in its role as a versatile building block for the production of pharmaceuticals, dyes, and other specialty chemicals. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Used in the production of specialty dyes, pigments, and colorants.
• Agrochemical Synthesis: Serves as an intermediate in the development of certain herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Employed as a specialized reducing agent and reactant in organic synthesis and process development.
• Photographic Chemical: Can be used in the formulation of certain photographic developers and related chemicals.
• Polymer Additive Precursor: Acts as a monomer or modifier in the synthesis of specialty polymers and resins.

Basic Information

Product Name	4-Acetamidobenzenesulfinic Acid Sodium Salt
CAS No.	15898-43-8
Molecular Formula	C8H8NNaO3S
Molecular Weight	221.21 g/mol
Synonyms	4-Acetamidobenzenesulfinate Sodium Salt; Sodium 4-Acetamidobenzenesulfinate; N-Acetyl Sulfanilic Acid Sodium Salt; p-Acetamidobenzenesulfinic Acid Sodium Salt; 4-(Acetylamino)benzenesulfinic Acid Sodium Salt; Sodium p-Acetamidobenzenesulfinate; Sulfanilic Acid N-Acetyl Derivative Sodium Salt
EINECS	Contact for details

Quality Control

Our 4-Acetamidobenzenesulfinic Acid Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards for use in sensitive applications like pharmaceutical synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

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

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