Description

Chromate, Bis[4-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-3-Hydroxy-1-Naphthalenesulfonato]-, Trihydrogen is a complex organometallic dye and pigment intermediate, recognized for its vibrant color properties and chelating structure. This compound is valued for its ability to impart excellent lightfastness and thermal stability in demanding industrial applications. It is primarily utilized by manufacturers in the pigments, dyes, and specialty coatings sectors, where precise color performance and chemical resistance are critical.

Application

• Primary use as a high-performance azo pigment precursor for automotive and industrial coatings.
• Key intermediate in the synthesis of metal complex dyes for textiles and plastics.
• Specialty colorant for inks and toners requiring high durability.
• Functional additive in the production of colored filters and optical materials.
• Research and development chemical for novel chromogenic sensors and indicators.
• Potential use in analytical chemistry as a complexing agent for specific metal ions.

Basic Information

Product Name	Chromate, Bis[4-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-3-Hydroxy-1-Naphthalenesulfonato]-, Trihydrogen
CAS No.	53295-04-8
Molecular Formula	C40H28CrN8O14S2
Molecular Weight	968.81 g/mol
Synonyms	Chromate, bis[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-1-naphthalenesulfonato(3-)]-, trihydrogen; C.I. Mordant Yellow 5:1; Mordant Yellow 5, chromium complex; Chromium complex of 5-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-3-hydroxy-1-naphthalenesulfonic acid; Acid Mordant Yellow GG chromium complex; Pigment Yellow 5:1 (related); 1-Naphthalenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-, chromium complex
EINECS	Contact for details

Quality Control

Our production of this chromate complex adheres to strict batch-to-batch consistency protocols. Quality is verified through multiple analytical checkpoints including HPLC for purity, spectrophotometry for color strength, and metal content analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to ensure it meets your specific application requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95.0%
Color Strength	100% ± 5% (vs. Standard)
Moisture Content (KF)	Max. 2.0%
Ash Content	Max. 1.0%
Chromium Content	5.0% - 6.5%
Heavy Metals (as Pb)	Max. 20 ppm

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