Description

Hydrogen bis[3-[4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzene-1-sulphonamidato(2-)]chromate(1-) , compound with 2-ethyl-1-hexylamine (1:1) is a complex chromium-based azo compound primarily utilized as a high-performance pigment and colorant. This product is engineered to deliver exceptional color strength, thermal stability, and lightfastness, making it a critical component for demanding industrial applications. It is essential for manufacturers in the coatings, plastics, and specialty ink industries seeking durable and vibrant coloration solutions.

Application

This specialized chromium complex is designed for high-value applications where color performance and durability are paramount.

• Industrial Coatings and Paints: Used in automotive, coil, and powder coatings for superior weatherability and UV resistance.
• Plastics and Masterbatch Coloring: Imparts stable, vibrant colors to engineering plastics and polymers processed at elevated temperatures.
• Specialty Printing Inks: A key pigment for security inks, metal decorative inks, and other high-performance printing applications.
• Colored Filters and Optical Materials: Employed in the production of pigments for glass, ceramics, and optical filters.
• Synthetic Fibers: Used in the mass coloration of fibers requiring excellent wash and light fastness.

Basic Information

Item	Details
Product Name	Hydrogen bis[3-[4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzene-1-sulphonamidato(2-)]chromate(1-) , compound with 2-ethyl-1-hexylamine (1:1)
CAS No.	97338-26-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Brown 38; Chromium complex of 4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1-phenyl-1H-pyrazole-1-sulfonamide; Pigment Brown 38; 2-Ethyl-1-hexylamine salt of chromium complex brown pigment; 1-Phenyl-4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazole-1-sulfonamide chromium complex; Chromium brown pigment complex; Azo chromium complex brown
EINECS	Contact for details

Quality Control

Our production of this pigment adheres to stringent quality control protocols to ensure batch-to-batch consistency in color value, particle size, and chemical purity. Quality is verified through advanced analytical techniques including HPLC, spectrophotometry, and X-ray diffraction. A comprehensive Certificate of Analysis (COA) detailing purity, heavy metal content, and specific performance characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Brown Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	≤ 5.0 μm
Heavy Metals (as Pb)	≤ 20 ppm

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