Description

3,5-Dinitro-2-Hydroxybenzoic Acid Sodium is a high-purity sodium salt derivative of a nitro-substituted salicylic acid, valued for its role as a versatile synthetic intermediate and analytical reagent. Its structure makes it a critical precursor in the synthesis of complex organic molecules, particularly in the development of dyes, pigments, and specialized fine chemicals. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise chemical building blocks are required.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Dye & Pigment Synthesis: Used as a precursor in the manufacturing of azo dyes and other nitro-aromatic based colorants.
• Agrochemical Production: Acts as an intermediate in the creation of herbicides, pesticides, and other crop protection agents.
• Analytical Chemistry: Employed as a reagent or standard in various chromatographic and spectroscopic analytical methods.
• Chemical Research: Utilized in academic and industrial R&D for exploring new organic reactions and material science applications.
• Fine Chemical Synthesis: A crucial component in the multi-step synthesis of specialty chemicals and performance materials.

Basic Information

Product Name	3,5-Dinitro-2-Hydroxybenzoic Acid Sodium
CAS No.	46506-88-1
Molecular Formula	C7H3N2NaO7
Molecular Weight	250.10 g/mol
Synonyms	Sodium 3,5-dinitrosalicylate; 3,5-Dinitrosalicylic Acid Sodium Salt; 2-Hydroxy-3,5-dinitrobenzoic Acid Sodium Salt; DNS Sodium Salt; Sodium 2-hydroxy-3,5-dinitrobenzoate; 3,5-Dinitro-2-hydroxybenzoate Sodium; DNSA Sodium Salt
EINECS	Contact for details

Quality Control

Our 3,5-Dinitro-2-Hydroxybenzoic Acid Sodium is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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