Description

5-Methoxy-2-Nitrosulphanilic Acid is a specialized aromatic sulfonic acid derivative bearing both nitro and methoxy functional groups. This compound serves as a valuable intermediate and precursor in the synthesis of more complex molecules, particularly dyes, pigments, and pharmaceutical agents. It is primarily required by manufacturers in the fine chemical, dye, and pharmaceutical research and development sectors.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of azo dyes and other complex colorants.
• Pharmaceutical Synthesis: Used as a precursor in the research and development of active pharmaceutical ingredients (APIs).
• Chemical Research: Serves as a versatile reagent in organic synthesis for introducing specific functional groups.
• Analytical Reagent: Potential use in the formulation of specialized analytical reagents and indicators.
• Photographic Chemicals: Can be utilized in the production of certain light-sensitive chemicals.

Basic Information

Product Name	5-Methoxy-2-Nitrosulphanilic Acid
CAS No.	71720-50-8
Molecular Formula	C7H8N2O6S
Molecular Weight	248.21 g/mol
Synonyms	2-Nitro-5-methoxyaniline-4-sulfonic Acid; 5-Methoxy-2-nitrobenzenesulfonic Acid; 4-Amino-5-methoxy-2-nitrobenzenesulfonic Acid; 2-Nitro-5-methoxy-4-aminobenzenesulfonic Acid; 4-Amino-2-nitro-5-methoxybenzenesulfonic Acid; Aniline-4-sulfonic acid, 5-methoxy-2-nitro-; 5-Methoxy-2-nitroaniline-4-sulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 5-Methoxy-2-Nitrosulphanilic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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