Description

1-Anthraquinonesulfonic Acid Sodium Salt is a key organic intermediate and dye precursor with significant industrial utility. Its value lies in its role as a versatile building block for synthesizing anthraquinone derivatives and as a direct component in specialized colorant systems. This compound is essential for manufacturers and R&D teams in the dye and pigment, chemical synthesis, and analytical reagent industries.

Application

• Dye and Pigment Intermediate: A crucial precursor for the synthesis of acid dyes, vat dyes, and other anthraquinone-based colorants.
• Chemical Synthesis: Used as a starting material or sulfonating agent in organic synthesis to produce various specialty chemicals.
• Catalyst and Reagent: Employed in specific catalytic processes and as a reagent in analytical chemistry and laboratory research.
• Textile Industry: Finds application in dyeing processes for fibers where anthraquinone derivatives are required.
• Photographic Chemicals: Used in the formulation of certain light-sensitive compounds and photographic developers.
• Research & Development: Serves as a standard or intermediate in pharmaceutical and material science research.

Basic Information

Product Name	1-Anthraquinonesulfonic Acid Sodium Salt
CAS No.	128-56-3
Molecular Formula	C14H7NaO5S
Molecular Weight	310.26 g/mol
Synonyms	Sodium 9,10-dioxo-9,10-dihydroanthracene-1-sulfonate; Sodium 1-anthraquinonesulfonate; Anthraquinone-1-sulfonic acid sodium salt; 1-Anthraquinonesulfonic acid sodium salt; 1-AQSA sodium salt; C.I. 57910; Alizarin Bordeaux B; Acid Alizarin Bordeaux B
EINECS	204-898-5

Quality Control

Our 1-Anthraquinonesulfonic Acid Sodium Salt is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystals
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfate Ash (Residue on Ignition)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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