Description

Naphthopicric Acid CAS NO 63978-89-2 is a specialized organic compound belonging to the class of nitrated aromatic acids. This chemical is valued for its role as a key intermediate and reagent in advanced synthetic chemistry and materials science. It is primarily sought by research institutions and industrial manufacturers involved in the development of dyes, pigments, and high-performance polymers. Consistent quality and reliable supply are critical for ensuring the success of downstream applications and process stability.

Application

• Chemical Synthesis Intermediate: Serves as a crucial building block for synthesizing complex organic molecules, including specialized dyes and pigments.
• Dye and Pigment Manufacturing: Used in the production of high-value, color-fast dyes for textiles, inks, and industrial coatings.
• Polymer Research: Acts as a functional monomer or additive in the development of novel polymeric materials with specific optical or thermal properties.
• Analytical Chemistry: Employed as a standard or reagent in chromatographic analysis and other laboratory testing procedures.
• Photographic Chemicals: Finds application in the formulation of certain light-sensitive compounds used in specialized photographic processes.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical reactions and material properties.

Basic Information

Product Name	Naphthopicric Acid
CAS No.	63978-89-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	1-Nitro-2-naphthol-4-sulfonic acid; 4-Hydroxy-3-nitro-1-naphthalenesulfonic acid; 1-Naphthol-4-sulfonic acid, 2-nitro-; Naphthol Yellow S acid; Acid Yellow 1 (precursor); Naphthol Yellow S intermediate; Naphthol Yellow acid; 2-Nitro-1-naphthol-4-sulfonic acid
EINECS	Contact for details

Quality Control

Our Naphthopicric Acid is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and impurity profiling, to meet exacting customer requirements. Certificates of Analysis (COA) documenting all test results are provided with every shipment. We adhere to relevant industry standards and can support compliance needs for various application sectors.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.