Description

5-Methyl-2-[(2,7-Dihydro-3-Methyl-2,7-Dioxo-3H-Benzo[E]Perimidin-6-Yl)Amino]Benzenesulfonic Acid Sodium Salt is a specialized organic salt compound, valued for its role as a key intermediate in the synthesis of high-performance dyes and functional pigments. Its complex perimidine-benzenesulfonate structure makes it a critical building block for creating colorants with enhanced lightfastness and thermal stability. This product is essential for manufacturers in the advanced materials, specialty chemical, and research sectors seeking to develop next-generation coloring agents and functional additives.

Application

• Dye & Pigment Intermediate: Primary use as a sophisticated precursor for synthesizing high-value azo, perimidine, and sulfonated dyes.
• Functional Colorants: Production of pigments for inks, coatings, and plastics requiring superior weather resistance and color strength.
• Research & Development: Key starting material (KSM) in organic synthesis for novel chromophores and photoactive compounds in academic and industrial R&D.
• Specialty Chemical Synthesis: Building block for creating complex molecules with potential applications in electronics and advanced material science.
• Analytical Reagents: Potential use in the formulation of specialized stains or indicators for analytical chemistry.

Basic Information

Product Name	5-Methyl-2-[(2,7-Dihydro-3-Methyl-2,7-Dioxo-3H-Benzo[E]Perimidin-6-Yl)Amino]Benzenesulfonic Acid Sodium Salt
CAS No.	6871-89-2
Molecular Formula	C24H18N3NaO5S
Molecular Weight	483.47 g/mol
Synonyms	Sodium 5-Methyl-2-[(3-methyl-2,7-dioxo-2,7-dihydro-3H-benzo[e]perimidin-6-yl)amino]benzenesulfonate; 6-[(4-Methyl-2-sulfophenyl)amino]-3-methyl-3H-benzo[e]perimidine-2,7-dione Sodium Salt; Benzenesulfonic acid, 5-methyl-2-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-benzo[e]perimidin-6-yl)amino]-, sodium salt (1:1); C.I. 560160; Acid Blue 332; Perimidine derivative sodium salt.
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-2-[(2,7-Dihydro-3-Methyl-2,7-Dioxo-3H-Benzo[E]Perimidin-6-Yl)Amino]Benzenesulfonic Acid Sodium Salt adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Contact for higher grades)
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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