Description

3-Nitro-5-Sulphosalicylic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate and analytical reagent. Its unique structure, featuring both nitro and sulfonic acid groups, provides valuable chemical functionality for synthesis and complexometric analysis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, dye, and chemical analysis sectors seeking high-purity intermediates and chelating agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Complexometric Titration Reagent: Used as a metallochromic indicator or masking agent in the analysis of metal ions like iron and aluminum.
• Dye and Pigment Manufacturing: Intermediate for producing azo dyes and other colorants due to its reactive nitro and sulfonic acid groups.
• Chemical Research & Development: Valuable reagent for organic synthesis, particularly in reactions requiring directed substitution or chelation.
• Analytical Chemistry: Employed in spectrophotometric methods and as a standard for calibration in various analytical techniques.
• Water Treatment Formulations: Potential component in specialty formulations for metal sequestration and scale inhibition.

Basic Information

Product Name	3-Nitro-5-Sulphosalicylic Acid
CAS No.	56609-17-7
Molecular Formula	C7H5NO8S
Molecular Weight	263.18 g/mol
Synonyms	5-Sulfosalicylic Acid-3-Nitro; 3-Nitro-5-sulfosalicylic acid; 2-Hydroxy-3-nitro-5-sulfobenzoic Acid; 3-Nitro-5-sulfosalicylic Acid Monohydrate; NSC 403796; 3-Nitro-5-sulphosalicylic Acid; 3-Nitro-5-sulfosalicylic acid (technical grade); 3-Nitro-5-sulfosalicylic acid, 97%
EINECS	Contact for details

Quality Control

Our 3-Nitro-5-Sulphosalicylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and laboratory use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. Due to its acidic nature, ensure storage containers are made of compatible materials.

Specification

Item	Specification
Appearance	Yellow to pale brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 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.