Description

Sodium 3-[[5-(Acetylethylamino)-o-Tolyl]Azo]-4-Hydroxy-6-[(4-Methoxyphenyl)Amino]Naphthalene-2-Sulphonate is a high-purity synthetic organic compound belonging to the azo dye class, valued for its specific chromophoric properties and stability. This chemical is engineered to deliver consistent performance as a specialized colorant and intermediate in advanced manufacturing processes. It is primarily required by industries involved in the production of specialized dyes, pigments, and functional materials where precise color characteristics and chemical compatibility are critical.

Application

• Primary use as a specialized dye intermediate for the synthesis of complex azo dyes and pigments.
• Key component in the formulation of high-performance colorants for inks, coatings, and specialty plastics.
• Potential use as a biological stain or histochemical marker in laboratory and diagnostic applications.
• Employed in research and development for photoactive materials and light-sensitive compositions.
• Used in the manufacturing of functional dyes for non-textile applications such as lasers or optical filters.

Basic Information

Product Name	Sodium 3-[[5-(Acetylethylamino)-o-Tolyl]Azo]-4-Hydroxy-6-[(4-Methoxyphenyl)Amino]Naphthalene-2-Sulphonate
CAS No.	6369-33-1
Molecular Formula	C28H27N5O6S.Na
Molecular Weight	584.60 g/mol
Synonyms	Acid Red 186; C.I. 18810; Sodium 4-hydroxy-3-[[2-methoxy-5-[(2-methylphenyl)azo]phenyl]azo]-6-[(4-methoxyphenyl)amino]-2-naphthalenesulfonate; 3-[[5-(Acetylethylamino)-2-methylphenyl]azo]-4-hydroxy-6-[(4-methoxyphenyl)amino]-2-naphthalenesulfonic acid sodium salt; Azo Rubine S; C.I. Acid Red 186; Lissamine Red 3B; Sulphonated Azo Dye 6369-33-1
EINECS	228-896-5

Quality Control

Our production of Sodium 3-[[5-(Acetylethylamino)-o-Tolyl]Azo]-4-Hydroxy-6-[(4-Methoxyphenyl)Amino]Naphthalene-2-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. The material is characterized and tested against established in-house specifications, which are aligned with industry standards for dye intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance processes.

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). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Complete, clear solution

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