Description

Pigment Blue 1 is a synthetic organic colorant belonging to the triarylmethane class, known for its brilliant and intense blue hue. This pigment is valued for its excellent tinctorial strength and versatility in creating a wide range of color shades. It is primarily used by manufacturers in the coatings, plastics, and specialty ink industries seeking vibrant and stable coloration for their products.

Application

• Coloration of industrial and decorative paints and coatings, including automotive finishes.
• Pigmentation for plastics and polymers, such as PVC, polyolefins, and engineering resins.
• Manufacturing of high-quality printing inks for packaging, publications, and security applications.
• Coloring of specialty textile prints and dyes.
• Production of colored paper and paper products.
• Use in artist's colors and pigments.
• Formulation of colored soaps and detergents.
• Tinting for construction materials like concrete and mortar.

Basic Information

Product Name	Pigment Blue 1
CAS No.	1325-87-7
Molecular Formula	C33H40N3O6S2·XAl
Molecular Weight	~ 647.8 g/mol (Free Acid)
Synonyms	Victoria Pure Blue BO; C.I. 42595; Basic Blue 7; Aluminium salt of [4-[[4-(Dimethylamino)phenyl][4-(ethylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium hydrogen sulfate; Victoria Blue B; Spirit Blue; Ethyl Victoria Blue B; C.I. Pigment Blue 1; Aniline Blue (related).
EINECS	215-379-2

Quality Control

Our Pigment Blue 1 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality is verified against key parameters including color strength, shade, particle size distribution, and chemical stability. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee compliance with your technical 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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Water Soluble Matter	≤ 1.5%
Particle Size (Residue on 325 mesh)	≤ 0.5%
Lightfastness	≥ 5 (Scale 1-8)
Heat Stability	≥ 180°C

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