Description

Chromate(5-), Bis4-Hydroxy-7-(2-Hydroxy-1-Naphthalenyl)Azo-3-(2-Hydroxy-3-Nitro-5-Sulfophenyl)Azo-2-Naphthalenesulfonato(4-)-, Pentasodium is a complex, high-purity metallized azo dye salt. This compound is engineered for applications requiring a specific chromate-based colorant with excellent stability and solubility. It is primarily utilized in advanced material science and specialized industrial coloring processes where precise color properties and chemical compatibility are critical.

Application

• Specialized Pigment and Dye Manufacturing: Acts as a key intermediate or final colorant for high-performance pigments.
• Advanced Material Coatings: Used in formulating functional coatings for metals, plastics, and composites where specific optical properties are needed.
• Analytical Chemistry and Staining: Serves as a selective staining agent or indicator in microscopic analysis and histology due to its chromate complex.
• Research & Development: Employed in chemical research for synthesizing novel coordination compounds and studying azo-chromate chemistry.
• Functional Textile Dyeing: Potential use in dyeing technical textiles that require metal-complex dyes for enhanced light and wash fastness.

Basic Information

Item	Detail
Product Name	Chromate(5-), Bis4-Hydroxy-7-(2-Hydroxy-1-Naphthalenyl)Azo-3-(2-Hydroxy-3-Nitro-5-Sulfophenyl)Azo-2-Naphthalenesulfonato(4-)-, Pentasodium
CAS No.	159574-72-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Pentasodium Bis[4-hydroxy-7-[(2-hydroxy-1-naphthyl)azo]-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonate] Chromate(5-); C.I. Mordant Black 17, Sodium Salt; Chromate(5-) complex with 4-hydroxy-7-[(2-hydroxy-1-naphthalenyl)azo]-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonic acid; Acid Chrome Dye Black; Mordant Dye Black 17; Pentasodium [7-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-hydroxy-3-[(2-hydroxy-3-nitro-5-sulfophenyl)diazenyl]naphthalene-2-sulfonate] chromate
EINECS	Contact for details

Quality Control

Our Chromate(5-), Bis4-Hydroxy-7-(2-Hydroxy-1-Naphthalenyl)Azo-3-(2-Hydroxy-3-Nitro-5-Sulfophenyl)Azo-2-Naphthalenesulfonato(4-)-, Pentasodium is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. Certificates of Analysis (COA) documenting key specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong reducing agents. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (Chromate Content)	Contact for details
Purity (HPLC)	≥ 95% (or as per grade)
Loss on Drying	≤ 5.0 %
Sulfated Ash	Contact for details
Solubility	Soluble in water

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