Description

7-[(4-Amino-3-Methylbenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized organic intermediate featuring a naphthalene core functionalized with sulphonic acid, hydroxyl, and benzoylamino groups. This compound matters for its role as a key building block in the synthesis of complex dyes, pigments, and advanced organic materials, offering precise structural control. It is primarily needed by manufacturers in the fine chemical, dye and pigment, and pharmaceutical research sectors seeking high-purity intermediates for specialized synthesis.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes, acid dyes, and other complex colorants, particularly those requiring high lightfastness and specific hue properties.
• Fine Chemical Synthesis: Serves as a versatile building block for creating more complex molecules in pharmaceutical research and specialty chemical manufacturing.
• Research & Development: Used in academic and industrial R&D labs for exploring new organic compounds, materials, and catalytic processes.
• Functional Material Production: Potential application in the development of organic semiconductors, sensors, or other advanced materials due to its conjugated structure and functional groups.

Basic Information

Product Name	7-[(4-Amino-3-Methylbenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	6361-46-2
Molecular Formula	C₁₈H₁₅N₂O₅S
Molecular Weight	371.39 g/mol
Synonyms	4-Hydroxy-7-[[(4-amino-3-methylphenyl)carbonyl]amino]-2-naphthalenesulfonic acid; 7-[(4-Amino-3-methylbenzoyl)amino]-4-hydroxy-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 7-[[(4-amino-3-methylphenyl)carbonyl]amino]-4-hydroxy-; C.I. 18050; Acid Orange 60 intermediate; 4-Amino-3-methylbenzoyl-1-amino-8-hydroxynaphthalene-3,6-disulfonic acid (related compound); 1-Amino-8-hydroxy-3,6-disulfo-4-(4'-amino-3'-methylbenzoylamino)naphthalene
EINECS	Contact for details

Quality Control

Our 7-[(4-Amino-3-Methylbenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthesis. 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). Keep away from strong acids and incompatible organic solvents. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulphated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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