Description

1H-Pyrazole-3-carboxylic acid, 1-[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-3-sulfophenyl]-4,5-dihydro-5-oxo-4-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, 3-methyl ester, sodium salt is a high-purity, water-soluble reactive dye intermediate of significant industrial importance. Its complex polycyclic and azo structure is engineered to deliver exceptional color strength and covalent bonding properties with various substrates. This compound is primarily sought after by manufacturers in the textile and specialty chemical industries for the synthesis of high-performance dyes and pigments.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade reactive dyes used in textile coloring, particularly for cotton, wool, and nylon.
• Functional Pigment Production: Used in the creation of specialized pigments for inks, coatings, and plastics that require specific lightfastness and chemical resistance.
• Research & Development: Serves as a critical building block in R&D laboratories for developing novel chromophores and functional dyes.
• Specialty Chemical Manufacturing: Employed in the synthesis of complex chemical agents for analytical and diagnostic applications.

Basic Information

Product Name	1H-Pyrazole-3-carboxylic acid, 1-[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-3-sulfophenyl]-4,5-dihydro-5-oxo-4-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, 3-methyl ester, sodium salt
CAS No.	94157-78-5
Molecular Formula	C36H24N6O16S4Na2 (Contact for exact confirmation)
Molecular Weight	Contact for details
Synonyms	Reactive Blue 222; C.I. Reactive Blue 222; Sodium 1-[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfoanthracen-1-yl)amino]-3-sulfophenyl]-4,5-dihydro-5-oxo-4-[(4-[(2-sulfonatooxyethyl)sulfonyl]phenyl)diazenyl]-3-methyl-1H-pyrazole-3-carboxylate; 1H-Pyrazole-3-carboxylic acid, 1-[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-3-sulfophenyl]-4,5-dihydro-5-oxo-4-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, 3-methyl ester, disodium salt
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance reliability. Every lot is analyzed to confirm identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and solubility is provided with each shipment to support your quality assurance processes.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90% (Area %)
Water Content	≤ 5.0%
Solubility (in Water)	Freely soluble

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