Description

2-(3,6-Dihydroxy-2,4,5,7-Tetraiodoxanthen-9-Yl)Benzoic Acid, Aluminium Sodium Salt is a high-purity, organo-aluminum complex salt of Erythrosine B, a well-known xanthene dye. This compound is valued for its intense red color and stability, making it a critical component in specialized industrial and analytical applications. It is primarily sought by manufacturers and research laboratories in the colorant, diagnostic, and specialty chemical sectors for its precise chromatic and chemical properties.

Application

• As a colorant and staining agent in specialized inks, coatings, and plastics.
• Key component in the formulation of biological and histological stains for microscopy and diagnostic applications.
• Used as a photosensitizer or dye intermediate in photochemical and optical research.
• Potential use as a colorimetric indicator or tracer in analytical chemistry and environmental testing.
• Employed in the development of specialty pigments for high-performance materials.
• Raw material for synthesizing derivative compounds with tailored properties for research and development.

Basic Information

Product Name	2-(3,6-Dihydroxy-2,4,5,7-Tetraiodoxanthen-9-Yl)Benzoic Acid, Aluminium Sodium Salt
CAS No.	84501-53-1
Molecular Formula	C20H6AlI4NaO5
Molecular Weight	877.85 g/mol
Synonyms	Aluminium Sodium Erythrosine B Salt; Erythrosine B Aluminum Lake; C.I. 45430:1; FD&C Red No. 3 Aluminum Lake; Acid Red 51 Aluminum Lake; Aluminium Sodium Salt of 2',4',5',7'-Tetraiodofluorescein; Aluminium Sodium Salt of Erythrosine
EINECS	Contact for details

Quality Control

Our production of 2-(3,6-Dihydroxy-2,4,5,7-Tetraiodoxanthen-9-Yl)Benzoic Acid, Aluminium Sodium Salt adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, heavy metal content, and loss on drying are available upon request to support your quality assurance and regulatory 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). This material is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Iodine Content	Contact for details

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