Description

Chrome-Black CAS NO 39422-17-8 is a specialized chromium-based complex dye or pigment, recognized for its deep, intense black coloration and excellent stability. This product is engineered to deliver superior performance in applications requiring durable, lightfast, and heat-resistant black shades. It is an essential material for manufacturers in the coatings, plastics, and specialty ink industries seeking high-quality, consistent pigmentation solutions.

Application

• Primary use as a high-performance black pigment in industrial coatings, including automotive and coil coatings, for UV and weather resistance.
• Coloration of engineering plastics and polymers where thermal stability and color consistency are critical.
• Manufacturing of specialty printing inks, such as for security printing or high-durability packaging.
• Pigment for ceramic glazes and colored glass, leveraging its inorganic stability.
• Use in the formulation of artists' colors and conservation materials requiring permanent, archival-quality black pigments.
• Potential application as a colorant in synthetic fibers and masterbatches.

Basic Information

Product Name	Chrome-Black
CAS No.	39422-17-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Black 28; Chrome Black; Chromium Black Pigment; Chromium Oxide Black; C.I. 77428; Black Chrome Oxide; Chromium(III) Oxide Black; Pigment Black 28 (C.I.)
EINECS	Contact for details

Quality Control

Our Chrome-Black is produced under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. The product undergoes comprehensive testing for key parameters including color strength, particle size distribution, and chemical composition. Certificates of Analysis (COA) documenting purity and performance specifications are available upon request.

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 incompatible materials such as strong acids. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Fine Black Powder
Identification (IR)	Conforms
Assay (as Cr2O3)	≥ 95.0%
Color Strength	100 ± 5% (vs. Std.)
Particle Size (D50)	< 5.0 µm
Oil Absorption	15 - 25 g/100g
Residue on Sieve (325 mesh)	≤ 0.5%
Moisture Content	≤ 1.0%

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