Description

Uniblue A Sodium Salt is a high-purity, water-soluble dye intermediate and functional colorant. This compound is valued for its consistent quality and stability, making it a reliable component in demanding industrial processes. It is primarily utilized by manufacturers in the textile, paper, and specialty chemical industries for coloration and functional applications.

Application

• Textile Dyeing and Printing: As a key intermediate or direct colorant for synthetic and natural fibers.
• Paper Coloring: For tinting and coloring paper products, including specialty papers.
• Ink Formulation: Used in the production of industrial and specialty inks for consistent color performance.
• Functional Dye Applications: Potential use in light-harvesting arrays, sensors, or other advanced material systems.
• Laboratory Reagent: Serves as a chemical standard or reagent in analytical and research chemistry.
• Leather Processing: For dyeing and finishing in the leather industry.

Basic Information

Product Name	Uniblue A Sodium Salt
CAS No.	14541-90-3
Molecular Formula	C37H27N3Na2O9S3
Molecular Weight	831.78 g/mol
Synonyms	Acid Blue 25, Sodium Salt; C.I. 62055; Uniblue A; 1-Amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid Sodium Salt; 9,10-Anthracenedione, 1-amino-4-(cyclohexylamino)-, hydrogen sulfate (ester), sodium salt; D&C Blue No. 9; Solvent Blue 38 (related); Anthraquinone Blue A Sodium Salt
EINECS	238-588-5

Quality Control

Our Uniblue A Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) documenting key parameters such as assay, impurity profile, and solubility is provided with every shipment to guarantee traceability and compliance.

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 strong oxidizing agents. The material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue to blue-black powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Solubility (Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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