Description

2-Naphthalenesulfonic Acid, 5-[[4-(Acetylamino)-2-[(Ethylphenylamino) Sulfonyl]Phenyl]Azo]-6-Amino-4-Hydroxy -, Monosodium Salt is a high-purity azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which is critical for producing consistent and vibrant colorants. It is primarily required by manufacturers in the dye and pigment industry, as well as for research and development in advanced material science.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key component in the production of colorants for textiles, leather, and paper.
• Used in the formulation of specialized inks for printing and packaging applications.
• Acts as a functional intermediate in organic synthesis for research and pharmaceutical development.
• Potential use as a colorimetric reagent or indicator in analytical chemistry.
• Employed in the development of functional dyes for non-textile applications such as lasers or optical media.

Basic Information

Product Name	2-Naphthalenesulfonic Acid, 5-[[4-(Acetylamino)-2-[(Ethylphenylamino) Sulfonyl]Phenyl]Azo]-6-Amino-4-Hydroxy -, Monosodium Salt
CAS No.	6360-10-7
Molecular Formula	C26H24N5NaO7S2
Molecular Weight	605.61 g/mol
Synonyms	Acid Red 1, Sodium Salt; C.I. 18050; Naphthalene Red; 5-[[4-(Acetylamino)-2-[(ethylphenylamino)sulfonyl]phenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid monosodium salt; 2-Naphthalenesulfonic acid, 6-amino-5-[[4-(acetylamino)-2-[(ethylphenylamino)sulfonyl]phenyl]azo]-4-hydroxy-, monosodium salt; Azo Rubine S; Food Red 10 (discontinued).
EINECS	228-885-8

Quality Control

Our production of this azo dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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