Description

1'-Hydroxy-4-[[4-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]-1-Naphthalenyl]Azo][1,2'-Azobisnaphthalene]-4',7-Disulfonic Acid Disodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart vivid and stable coloration, making it a critical precursor in the synthesis of specialized dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

This versatile azo compound serves as a key building block in various colorant manufacturing processes. Its primary and related applications include:

• Textile Dye Synthesis: As a crucial intermediate for producing acid dyes and direct dyes used on nylon, wool, and silk fibers.
• Ink Manufacturing: Used in the formulation of high-quality printing inks, including those for packaging and security printing applications.
• Specialty Pigment Production: Acts as a precursor for creating lakes and pigments used in plastics, coatings, and artist colors.
• Biological Staining: Potential use in the synthesis of histological stains for laboratory and diagnostic purposes.
• Research & Development: Serves as a standard or reactant in chemical research focused on dye chemistry and azo compound properties.

Basic Information

Product Name	1'-Hydroxy-4-[[4-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]-1-Naphthalenyl]Azo][1,2'-Azobisnaphthalene]-4',7-Disulfonic Acid Disodium Salt
CAS No.	6826-48-8
Molecular Formula	C40H24N6Na2O14S4
Molecular Weight	1010.88 g/mol
Synonyms	Acid Black 107; C.I. 15710; 1,2'-Azobis[5-[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]naphthalene-4',7-disulfonic acid disodium salt; 1'-Hydroxy-4-[[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-4',7-disulfonic acid disodium salt; Disodium 1'-hydroxy-4-[[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-4',7-disulfonate
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity for demanding industrial applications. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
Water Solubility	Freely soluble

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