Description

Acid Blue 1 is a synthetic, water-soluble acid dye belonging to the triphenylmethane class, known for its vibrant blue color. This dye is valued for its strong tinctorial strength and good solubility, making it a versatile coloring agent for various industrial applications. It is primarily used in the textile industry for dyeing protein fibers like wool and silk, as well as in the coloration of paper, leather, and certain specialty inks.

Application

• Textile Dyeing: Primary application for dyeing natural protein fibers such as wool, silk, and nylon, providing bright blue shades.
• Leather Coloring: Used in the tanning industry to impart color to leather goods.
• Paper Staining: Employed in the production of colored papers, including specialty and decorative papers.
• Ink Formulation: A component in the manufacturing of certain types of inks, including stamp pad inks and ballpoint pen inks.
• Biological Staining: Used in microscopy as a histological stain for biological tissues.
• Food Contact Materials: Potential use in coloring food packaging materials where direct food contact is not intended.

Basic Information

Product Name	Acid Blue 1
CAS No.	30586-15-3
Molecular Formula	C27H31N2O6S2•Na
Molecular Weight	566.66 g/mol
Synonyms	Acid Blue 1; Patent Blue V; Erioglaucine A; C.I. 42045; Food Blue 3; Alphazurine FG; Acid Blue 1, sodium salt; Aniline Blue, water soluble; [4-[(4-Diethylaminophenyl)-(5-hydroxy-2,4-disulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]diethylammonium hydroxide inner salt sodium salt
EINECS	250-209-2

Quality Control

Our Acid Blue 1 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against stringent in-house specifications for key parameters including color strength, shade, solubility, and impurity profile. While this product is typically supplied in technical grade, we can provide material compliant with relevant standards for specific applications. A Certificate of Analysis (COA) detailing test results is provided with every shipment.

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 incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to prevent degradation.

Specification

Item	Specification
Appearance	Dark blue to blue-violet powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Clear solution
Ash Content (Sulfated)	≤ 30.0%
Heavy Metals (as Pb)	≤ 20 ppm

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