Description

2-[[4-[Ethyl(2-Hydroxyisopropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate is a specialized cationic azo dye intermediate with significant commercial importance in high-performance colorant synthesis. Its molecular structure is engineered to provide excellent substantivity and color fastness properties, making it a critical component for demanding applications. This compound is primarily required by manufacturers in the textile, ink, and specialty polymer industries seeking to develop vibrant, durable dyes and pigments.

Application

• Primary intermediate for the synthesis of cationic (basic) dyes used in acrylic fiber dyeing.
• Key precursor in manufacturing high-performance inks for jet printing and security printing applications.
• Used in the production of specialty pigments for plastics and coatings requiring high thermal stability.
• Component in biological staining agents and histochemical dyes for laboratory diagnostics.
• Intermediate for functional colorants used in laser-sensitive materials and optical data storage.
• Research chemical for developing novel photoactive materials and organic semiconductors.

Basic Information

Product Name	2-[[4-[Ethyl(2-Hydroxyisopropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate
CAS No.	82281-90-1
Molecular Formula	C22H29N5O4S
Molecular Weight	459.56 g/mol
Synonyms	Basic Orange 41; C.I. 48035; 2-[[4-[Ethyl(2-hydroxy-1-methylethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate; 3-Methyl-2-((4-(N-ethyl-N-(2-hydroxypropyl)amino)phenyl)azo)-6-methoxybenzothiazolium acetate; Cationic Orange G; Astrazon Orange G; Azo Benzothiazolium Salt; 2-((4-(Ethyl(2-hydroxypropyl)amino)phenyl)azo)-6-methoxy-3-methylbenzothiazolium acetate
EINECS	Contact for details

Quality Control

Our production of 2-[[4-[Ethyl(2-Hydroxyisopropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate adheres to stringent quality management systems to ensure batch-to-batch consistency and purity. All materials undergo rigorous analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) documenting identity, purity, and related substances are available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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