Description

(2-Nitrophenyl)Methanesulfonic Acid is a specialized aromatic sulfonic acid derivative characterized by its nitro-substituted phenyl ring. This compound is valued as a versatile building block and intermediate in advanced organic synthesis, particularly for introducing functionalized sulfonate groups. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring sulfonamide or sulfonate ester functionalities.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the nitrophenylsulfonate moiety is critical for bioactivity.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing azo dyes and other complex colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers with specific ionic or solubility properties.
• Chemical Research: A valuable reagent in academic and industrial laboratories for method development and exploring new reaction pathways.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands for metal catalysis or functionalize surfaces in material science.

Basic Information

Product Name	(2-Nitrophenyl)Methanesulfonic Acid
CAS No.	782389-43-9
Molecular Formula	C7H7NO5S
Molecular Weight	217.20 g/mol
Synonyms	2-Nitrophenylmethanesulfonic Acid; (2-Nitrophenyl)methanesulphonic Acid; Methanesulfonic acid, (2-nitrophenyl)-; o-Nitrophenylmethanesulfonic Acid; 2-Nitrobenzenemethanesulfonic Acid; α-(2-Nitrophenyl)methanesulfonic Acid; (o-Nitrophenyl)methanesulfonic Acid
EINECS	Contact for details

Quality Control

Our production of (2-Nitrophenyl)Methanesulfonic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure consistent quality and reliability. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical specifications.

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 prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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