Description

N-[4-[2,4-Bis(1,1-dimethylpropyl)phenoxy]butyl]-1-hydroxy-4-[[[3-[[[5-hydroxy-8-[[2-(methylsulfonyl)-4-nitrophenyl]azo]-1-naphthalenyl]amino]sulfonyl]phenyl]sulfonyl]amino]-2-naphthalenecarboxamide is a high-purity, complex azo dye intermediate of significant industrial importance. This specialized chemical is engineered for applications requiring precise color formation and high-performance stability. It is a critical component for manufacturers in the dye and pigment industries, particularly for producing high-grade, light-fast colors.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Used in the manufacturing of specialized colorants for inks and toners in digital and industrial printing.
• Key component in the production of dyes for textiles and synthetic fibers.
• Potential use in the formulation of functional dyes for optical and electronic applications.
• Research and development of novel colorants with specific light-fastness and chemical resistance properties.

Basic Information

Product Name	N-[4-[2,4-Bis(1,1-dimethylpropyl)phenoxy]butyl]-1-hydroxy-4-[[[3-[[[5-hydroxy-8-[[2-(methylsulfonyl)-4-nitrophenyl]azo]-1-naphthalenyl]amino]sulfonyl]phenyl]sulfonyl]amino]-2-naphthalenecarboxamide
CAS No.	42905-20-4
Molecular Formula	C55H58N6O12S3
Molecular Weight	1083.28 g/mol
Synonyms	Solvent Yellow 163; C.I. 58840; 1-Hydroxy-N-[4-[2,4-bis(1,1-dimethylpropyl)phenoxy]butyl]-4-[[3-[[[8-[[2-(methylsulfonyl)-4-nitrophenyl]azo]-5-hydroxy-1-naphthyl]amino]sulfonyl]phenyl]sulfonyl]amino]-2-naphthalenecarboxamide; 42905-20-4; Azo dye intermediate 42905-20-4; Light Yellow HLR; Disperse Yellow 163 intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0%
Residue on Ignition (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.