Description

8-Nitro-1,3,5-Naphthalenetrisulfonic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate in advanced chemical synthesis. Its unique structure, featuring both nitro and multiple sulfonic acid groups, makes it a valuable precursor for creating dyes, pigments, and functional materials. This compound is primarily utilized by manufacturers in the fine chemicals, specialty dyes, and pharmaceutical intermediates sectors seeking to develop products with specific chromophoric or ionic properties.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of acid dyes, reactive dyes, and other complex colorants, particularly for textiles and inks.
• Chemical Synthesis Reagent: Used as a sulfonating and nitrating agent or precursor in the manufacture of other specialty organic compounds.
• Pharmaceutical Intermediate: Employed in the research and development of certain active pharmaceutical ingredients (APIs) requiring a naphthalene sulfonic acid backbone.
• Corrosion Inhibitor Formulation: Acts as a component in formulations designed to protect metal surfaces in industrial processes.
• Analytical Chemistry: May be used as a standard or reagent in specific analytical methodologies.
• Research & Development: Serves as a versatile substrate for academic and industrial research in organic and medicinal chemistry.

Basic Information

Product Name	8-Nitro-1,3,5-Naphthalenetrisulfonic Acid
CAS No.	66620-35-7
Molecular Formula	C₁₀H₇NO₁₁S₃
Molecular Weight	461.36 g/mol
Synonyms	1,3,5-Naphthalenetrisulfonic acid, 8-nitro-; 8-Nitro-1,3,5-naphthalenetrisulfonic acid; NSC 403119; Trisodium 8-nitronaphthalene-1,3,5-trisulfonate (salt form); Nitro NTSA; 8-Nitro-NTSA
EINECS	Contact for details

Quality Control

Our 8-Nitro-1,3,5-Naphthalenetrisulfonic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and residual solvents is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its strong acid nature, store separately from bases and reactive metals. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in water, polar organic solvents

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