Description

5-Fluoroorthanilic Acid (So3H=1) is a specialized aromatic sulfonic acid derivative, distinguished by the presence of both a sulfonic acid group and a fluorine substituent on the aniline ring. This unique structure makes it a valuable intermediate for synthesizing advanced dyes, pigments, and functional materials where fluorine incorporation enhances properties like lightfastness and chemical resistance. It is primarily sought by manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries for the development of novel active ingredients and high-performance additives.

Application

• Agrochemical Intermediate: A key building block for synthesizing modern herbicides, pesticides, and fungicides, where the fluorine atom improves biological activity and environmental stability.
• Pharmaceutical Synthesis: Used in the research and production of active pharmaceutical ingredients (APIs), particularly in creating sulfonamide-based drugs and fluorinated compounds.
• Dye and Pigment Manufacturing: Serves as a crucial intermediate for producing acid dyes, reactive dyes, and organic pigments, imparting superior color fastness and solubility.
• Functional Material Production: Employed in the synthesis of liquid crystals, optical brighteners, and polymer additives that require specific sulfonic acid and fluorine functionalities.
• Chemical Research & Development: Utilized as a versatile reagent in organic synthesis for introducing both sulfonic acid and fluoro groups into complex molecular architectures.

Basic Information

Product Name	5-Fluoroorthanilic Acid (So3H=1)
CAS No.	393-42-0
Molecular Formula	C6H6FNO3S
Molecular Weight	191.18 g/mol
Synonyms	2-Amino-4-fluorobenzenesulfonic Acid; 4-Fluoro-2-aminobenzenesulfonic Acid; 5-Fluoro-2-aminobenzenesulfonic Acid; 4-Fluoroaniline-2-sulfonic Acid; 2-Amino-4-fluorophenylsulfonic Acid; 5-Fluoro-orthanilic Acid; 4-Fluoro-2-sulfoaniline
EINECS	206-889-7

Quality Control

Our 5-Fluoroorthanilic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, guaranteeing traceability and compliance with industry standards for intermediate chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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