Description

Acid Blue 1 is a synthetic, water-soluble acid dye belonging to the triphenylmethane class, valued for its bright and vibrant blue color. Its primary value lies in its strong affinity for protein-based fibers like wool, silk, and nylon, as well as its use in specialized staining applications. This product is essential for manufacturers in the textile, leather, and biological staining industries seeking a reliable and consistent blue dye. The compound is commercially supplied under the CAS registry number 116-95-0.

Application

• Textile Dyeing: Primarily used for dyeing wool, silk, and nylon fibers, producing clear blue shades with good fastness properties.
• Leather Coloring: Applied in the dyeing of leather goods to achieve uniform and attractive blue finishes.
• Biological Staining: Employed as a histological stain in microscopy for visualizing specific tissue components.
• Ink Manufacturing: Serves as a colorant in the formulation of specialty inks, including for pens and markers.
• Paper Coloring: Used in the tinting and coloring of certain types of paper products.
• Food Contact Material Dyeing: Can be used for coloring packaging materials where appropriate regulatory compliance is met.

Basic Information

Product Name	Acid Blue 1
CAS No.	116-95-0
Molecular Formula	C₂₇H₃₁N₂NaO₆S₂
Molecular Weight	566.67 g/mol
Synonyms	Patent Blue V; Acid Blue V; C.I. 42045; Erioglaucine A; Wool Blue V; Aniline Blue WS; L-Gulonic acid, γ-lactone, sodium salt (derivative); [4-[[4-(Dimethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium hydrogen sulfate, sodium salt
EINECS	204-145-2

Quality Control

Our Acid Blue 1 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against stringent in-house specifications, which typically include parameters for identification, assay, and impurity profiles. A Certificate of Analysis (COA) detailing the results of these quality control tests is provided with every shipment to guarantee compliance with your requirements.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain color stability.

Specification

Item	Specification
Appearance	Dark blue powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85%
Color Strength	100 ± 5% (vs. Standard)
Water Solubility	Clear solution
Moisture Content	≤ 5.0%
Ash Content (Sulfated)	≤ 30.0%

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