Description

7-Oxo-7H-Benz(De)Anthracene-8-Sulfonic Acid Sodium Salt is a high-purity, water-soluble sodium salt derivative of a benzanthracene sulfonic acid, serving as a critical intermediate in advanced organic synthesis. Its value lies in its unique conjugated aromatic structure and sulfonate functionality, which are essential for imparting specific optical and electronic properties in downstream products. This compound is primarily needed by manufacturers in the dyes and pigments, optical brighteners, and specialty chemical research sectors.

Application

• Key Intermediate for Fluorescent Dyes and Optical Brighteners (OBAs): Its structure is fundamental in synthesizing high-performance fluorescent whitening agents used in paper, textiles, and detergents.
• Precursor for Functional Dyes: Used in the production of specialized dyes for synthetic fibers, plastics, and inks, where lightfastness and color intensity are critical.
• Research & Development in Organic Electronics: Serves as a building block for novel organic semiconductors, light-emitting materials, and photoactive layers in device research.
• Analytical Chemistry Reagent: Can be utilized as a standard or a derivatization agent in chromatographic and spectroscopic analysis.
• Photographic Sensitizers: Historically used in the formulation of certain photographic chemicals.

Basic Information

Product Name	7-Oxo-7H-Benz(De)Anthracene-8-Sulfonic Acid Sodium Salt
CAS No.	69658-12-4
Molecular Formula	C17H9NaO4S
Molecular Weight	332.30 g/mol
Synonyms	7-Oxo-7H-benz[de]anthracene-8-sulfonic acid sodium salt; Sodium 7-oxo-7H-benz[de]anthracene-8-sulfonate; 8-Sulfo-7-oxobenz[de]anthracene sodium salt; Benzanthrone Sulfonic Acid Sodium Salt (related); 7-Oxobenz[de]anthracenesulfonic Acid Sodium Salt; 1,9-Benzanthrone-10-sulfonic Acid Sodium Salt (alternative naming); BA Sulfonate Sodium Salt; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 7-Oxo-7H-Benz(De)Anthracene-8-Sulfonic Acid Sodium Salt is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and traceability. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Reported on COA
Solubility (1% in Water)	Clear, yellow solution

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