Description

8-(2,5-Dichlorobenzamido)-1-Naphthol-3,5-Disulfonic Acid is a specialized organic intermediate featuring a naphthalene core functionalized with sulfonic acid groups and a dichlorobenzamido moiety. This compound is valued for its role as a key building block in the synthesis of high-performance dyes and pigments, offering excellent chromophoric properties and structural versatility. It is primarily utilized by manufacturers in the colorant, specialty chemical, and advanced materials sectors seeking to develop products with specific light-fastness and solubility characteristics.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing azo dyes, acid dyes, and reactive dyes, particularly for textiles, leather, and paper.
• Colorant for Specialty Inks: Used in the production of high-quality inks for packaging, security printing, and digital applications.
• Functional Material Synthesis: Serves as a monomer or additive in the development of advanced polymeric materials and optical brighteners.
• Laboratory Research & Development: Employed as a standard or reagent in chemical research focused on chromophore design and sulfonated compound chemistry.
• Photographic Chemical: Can be utilized in the formulation of certain light-sensitive layers and processing chemicals.

Basic Information

Product Name	8-(2,5-Dichlorobenzamido)-1-Naphthol-3,5-Disulfonic Acid
CAS No.	6407-95-0
Molecular Formula	C₁₇H₁₁Cl₂NO₇S₂
Molecular Weight	492.31 g/mol
Synonyms	1-Naphthol-3,5-disulfonic acid, 8-[(2,5-dichlorobenzoyl)amino]-; 8-Amino-1-naphthol-3,5-disulfonic acid 2,5-dichlorobenzoyl derivative; C.I. 37020; 2,5-Dichlorobenzoyl J acid; 8-(2,5-Dichlorobenzoylamino)-1-naphthol-3,5-disulfonic acid; 8-(2,5-Dichlorobenzamido)-J acid; J acid derivative, 2,5-dichloro-
EINECS	Contact for details

Quality Control

Our production of 8-(2,5-Dichlorobenzamido)-1-Naphthol-3,5-Disulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) detailing all critical parameters are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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