Description

Disodium (3Z)-3-[[4-(4-Anilino-3-Sulfonato-Phenyl)Diazenylnaphthalen-1-Yl]Hydrazinylidene]-4-Oxo-Naphthalene-1-Sulfonate is a high-purity, water-soluble synthetic organic dye belonging to the azo dye class. This compound is valued for its strong colorant properties and stability, making it a critical component in specialized industrial applications where precise coloration is required. It is primarily sought by manufacturers in the textile, ink, and specialty coatings industries for its performance characteristics.

Application

• Textile Dyeing: Used as a key dye for synthetic fibers, particularly polyamide (nylon) and protein-based fibers like wool and silk, providing vibrant and wash-fast colors.
• Ink Formulation: Serves as a colorant in the production of specialty inks for jet printing, packaging, and security applications.
• Industrial Coatings: Incorporated into coatings and paints where specific color standards and lightfastness are critical.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis, given its affinity for certain biological tissues.
• Paper Coloring: Applied in the manufacture of high-grade colored papers and decorative laminates.
• Plastics and Polymers: Used to color certain engineering plastics and polymer resins during the manufacturing process.

Basic Information

Product Name	Disodium (3Z)-3-[[4-(4-Anilino-3-Sulfonato-Phenyl)Diazenylnaphthalen-1-Yl]Hydrazinylidene]-4-Oxo-Naphthalene-1-Sulfonate
CAS No.	6406-45-7
Molecular Formula	C32H20N6Na2O8S2
Molecular Weight	726.64 g/mol
Synonyms	Acid Black 107; C.I. 15711; Disodium 3-[[4-[(4-anilino-3-sulfonatophenyl)diazenyl]-1-naphthyl]hydrazinylidene]-4-oxo-1-naphthalenesulfonate; 3-[[4-[(4-Anilino-3-sulfonatophenyl)diazenyl]-1-naphthyl]hydrazinylidene]-4-oxo-1-naphthalenesulfonic acid disodium salt; (3Z)-3-[[4-[[4-(Anilino)-3-sulfophenyl]azo]-1-naphthalenyl]hydrazono]-4-oxo-1-naphthalenesulfonic acid disodium salt; Azo Black 107; C.I. Acid Black 107
EINECS	Contact for details

Quality Control

Our production of Disodium (3Z)-3-[[4-(4-Anilino-3-Sulfonato-Phenyl)Diazenylnaphthalen-1-Yl]Hydrazinylidene]-4-Oxo-Naphthalene-1-Sulfonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectrophotometry for color strength, to ensure it meets precise customer specifications and industry benchmarks. Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Water Solubility	Freely soluble
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm

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