Description

4-Hydroxy-3-[[2-[4-(tert-Pentyl)Phenoxy]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid is a high-purity, synthetic azo dye intermediate known for its distinct chromophoric properties. This compound is critical for manufacturers requiring precise color development and consistent batch-to-batch performance in demanding applications. It is primarily utilized by the dye and pigment industries, as well as in specialized research and development for advanced materials.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of high-performance red and orange azo dyes.
• Textile Dye Manufacturing: Used in the production of dyes for coloring natural and synthetic fibers, offering good light and wash fastness.
• Industrial Pigments: Employed in the formulation of pigments for plastics, inks, and coatings, providing vibrant and stable coloration.
• Research & Development: Acts as a standard or starting material in chemical research for developing new chromophores and functional dyes.
• Specialty Chemical Synthesis: Utilized in the custom synthesis of complex organic molecules for niche applications in electronics or imaging.

Basic Information

Item	Details
Product Name	4-Hydroxy-3-[[2-[4-(tert-Pentyl)Phenoxy]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid
CAS No.	93804-35-4
Molecular Formula	C27H26N2O7S2
Molecular Weight	554.63 g/mol
Synonyms	Acid Red 359; C.I. 18215; 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[2-[4-(1,1-dimethylpropyl)phenoxy]phenyl]azo]-; 4-Hydroxy-3-((2-(4-(tert-pentyl)phenoxy)phenyl)azo)naphthalene-2,7-disulfonic acid; 4-Hydroxy-3-[[2-[4-(1,1-dimethylpropyl)phenoxy]phenyl]azo]-2,7-naphthalenedisulfonic acid; tert-Pentyl derivative of an azo dye intermediate; Azo dye intermediate CAS 93804-35-4
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-3-[[2-[4-(tert-Pentyl)Phenoxy]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid adheres to stringent quality protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark 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.