Description

Black 1 CAS NO 1341-93-1 is a high-purity synthetic organic pigment belonging to the class of azo dyes, valued for its intense and stable black coloration. This compound is critical for industries requiring durable, lightfast, and chemically resistant pigments for demanding applications. It is primarily utilized by manufacturers in the plastics, coatings, inks, and specialty textile sectors seeking consistent batch-to-batch quality and performance.

Application

• Primary pigment for coloring plastics, including PVC, polyolefins, and engineering resins.
• Key component in the formulation of industrial and automotive coatings and paints.
• Used in the production of high-quality printing inks, including packaging and publication inks.
• Coloration agent for synthetic fibers and specialty textiles.
• Pigment for masterbatches and color concentrates.
• Potential use in the coloration of rubber and elastomeric products.
• Applicable in the manufacturing of colored construction materials like concrete and sealants.
• Used in specialty applications such as artists' colors and cosmetic pigments (subject to specific grade and regulatory approval).

Basic Information

Product Name	Black 1
CAS No.	1341-93-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Black 1; Aniline Black; C.I. 50440; Pigment Black 1; Benzidine Black; Oxidation Base Black; Azine Black; C.I. Oxidation Base 1
EINECS	215-692-7

Quality Control

Our Black 1 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, hue, particle size distribution, and chemical purity. Certificates of Analysis (COA) documenting these parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Black powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 95.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	≤ 5.0 µm
Oil Absorption	40 - 60 g/100g
pH (10% Slurry)	5.0 - 8.0

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