Description

3-Nitrobenzenesulfonic Acid Phenyl Ester is a specialized organic intermediate characterized by its sulfonate ester functional group. This compound matters for its role as a key building block in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. Industries that require it include pharmaceutical research, agrochemical production, and dye and pigment manufacturing, where it serves as a precursor for sulfonamide derivatives and other functional materials.

Application

• Pharmaceutical Intermediate: Acts as a key precursor in the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and other drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that incorporate sulfonate or sulfonamide moieties.
• Dye and Pigment Manufacturing: Serves as an intermediate for creating sulfonated azo dyes and other colorants with enhanced solubility and fastness properties.
• Polymer Modification: Employed in the synthesis of specialty polymers and resins, where the sulfonate group can impart specific ionic or solubility characteristics.
• Chemical Research & Development: Utilized in academic and industrial R&D labs as a versatile reagent for constructing complex molecular architectures.
• Cross-coupling Reactions: Functions as an electrophilic partner in palladium-catalyzed cross-coupling reactions to form biaryl structures.

Basic Information

Product Name	3-Nitrobenzenesulfonic Acid Phenyl Ester
CAS No.	41480-04-0
Molecular Formula	C12H9NO5S
Molecular Weight	279.27 g/mol
Synonyms	Phenyl 3-Nitrobenzenesulfonate; 3-Nitrobenzenesulfonic Acid Phenyl Ester; Benzenesulfonic acid, 3-nitro-, phenyl ester; Phenyl m-nitrobenzenesulfonate; m-Nitrophenyl benzenesulfonate; 3-Nitrophenyl benzenesulfonate; NSC 163081
EINECS	Contact for details

Quality Control

Our 3-Nitrobenzenesulfonic Acid Phenyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis workflows.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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