Description

Pyrrole Blue CAS NO 1324-86-3 is a synthetic organic pigment belonging to the pyrrole class of heterocyclic compounds. This high-performance colorant is valued for its intense blue hue and excellent stability in various formulations. It is primarily utilized by manufacturers in the plastics, coatings, and specialty inks industries seeking durable and vibrant coloration. Our supply ensures consistent quality and reliable performance for demanding industrial applications.

Application

• Plastics Coloring: Masterbatch and compound production for engineering plastics, fibers, and packaging materials.
• Industrial Coatings: Pigmentation for automotive, coil, and powder coatings requiring weather resistance.
• Specialty Inks: Formulation of high-performance printing inks, including security and decorative inks.
• Synthetic Fibers: Mass coloration of polypropylene, nylon, and polyester fibers during polymerization or spinning.
• Research & Development: Used as a chemical intermediate or reference standard in organic synthesis and material science.

Basic Information

Product Name	Pyrrole Blue
CAS No.	1324-86-3
Molecular Formula	C24H16N2O4
Molecular Weight	396.40 g/mol
Synonyms	Pyrrole Blue; C.I. Pigment Blue 25; 1,4-Bis[(2,5-dichlorophenyl)amino]-9,10-anthracenedione; 1,4-Bis(2,5-dichloroanilino)anthraquinone; Anthraquinone Blue; Dichloroanthraquinone Blue; PB25; Cl 21180
EINECS	215-363-4

Quality Control

Our Pyrrole Blue is manufactured under a strict quality management system to ensure batch-to-batch consistency. Quality parameters, including color strength, hue, and chemical purity, are verified against established internal specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties 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 incompatible materials and sources of ignition. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Std.)
Hue	Within agreed tolerance
Moisture (KF)	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	< 10.0 µm

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