Description

Trisodium Bis[3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitronaphthalene-1-Sulphonato(3-)]Chromate(3-) is a complex chromium azo dye salt, recognized for its specific coordination chemistry and colorant properties. This compound is valued for its precise molecular structure, which imparts distinct characteristics critical for advanced material science and analytical applications. It serves as a key intermediate and functional component for researchers and manufacturers in the specialty dyes and pigments, analytical reagent, and metal complex chemistry sectors.

Application

• Specialty Dye and Pigment Manufacturing: As a precursor or component in the synthesis of high-performance, metal-complex dyes for industrial applications.
• Analytical Chemistry Reagent: Utilized as a selective complexing agent or colorimetric indicator in specific laboratory testing and analysis procedures.
• Research & Development: Serves as a critical material for academic and industrial R&D focused on coordination chemistry, azo dye properties, and chromate complexes.
• Catalyst and Additive Synthesis: Potential use as a ligand or intermediate in the preparation of catalysts or specialized chemical additives.
• Material Science: Investigation into its properties for potential applications in functional materials, sensors, or coatings.

Basic Information

Item	Details
Product Name	Trisodium Bis[3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitronaphthalene-1-Sulphonato(3-)]Chromate(3-)
CAS No.	57693-14-8
Molecular Formula	C₃₄H₁₈CrN₆Na₃O₁₆S₂
Molecular Weight	Contact for details
Synonyms	Chromate(3-), trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-; C.I. Mordant Black 17; Mordant Black 17; Acid Chrome Black T; Chrome Black T; Eriochrome Black T (sodium salt complex); Trisodium (7-nitro-4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]-3-oxidonaphthalene-1-sulfonato)(3-)-(7-nitro-4-[(E)-(2-oxidonaphthalen-1-yl)diazenyl]-3-oxidonaphthalene-1-sulfonato)(3-)chromate(3-)
EINECS	Contact for details

Quality Control

Our production of Trisodium Bis[3-Hydroxy-4-[(2-Hydroxy-1-Naphthyl)Azo]-7-Nitronaphthalene-1-Sulphonato(3-)]Chromate(3-) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee compliance with your technical requirements.

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. For long-term stability, maintain under controlled ambient conditions.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Chromium Content	Contact for details

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