Description

2-Amino-4-Formamidobenzenesulfonic Acid is a specialized aromatic sulfonic acid derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its molecular structure, featuring both amino and formamido substituents, makes it a valuable building block for constructing complex molecules with specific functional properties. This compound is primarily utilized by research institutions and industrial R&D departments engaged in the development of pharmaceuticals, agrochemicals, and high-performance dyes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a sulfonamide or aniline moiety.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a key intermediate for producing azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Chemical Research & Development: Employed as a versatile building block in organic synthesis for creating libraries of compounds in medicinal and material chemistry.
• Material Science: Investigated for the development of specialty polymers and functional materials where sulfonic acid groups are required for ionic conductivity or solubility.

Basic Information

Product Name	2-Amino-4-Formamidobenzenesulfonic Acid
CAS No.	116293-77-7
Molecular Formula	C7H8N2O4S
Molecular Weight	216.21 g/mol
Synonyms	4-Formamido-2-aminobenzenesulfonic Acid; 2-Amino-4-formamidobenzene-1-sulfonic Acid; Benzenesulfonic acid, 2-amino-4-formamido-; 4-Amino-6-formamidobenzene-1,3-disulfonic acid (isomer); AFSA; 2-Amino-4-carbamoylbenzenesulfonic acid (related); 4-Formylamino-2-aminobenzenesulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 2-Amino-4-Formamidobenzenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced analytical techniques such as HPLC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.