Description

Methylsulfate Salt Of 2-[Ethyl-4-(6-Methoxy-3-Methylbenzothiazolium-2-Ylazo)-3-Methyl- Phenyl]Amino]Ethanol is a specialized cationic diazo dye intermediate with a complex heterocyclic structure. This compound is valued for its role in synthesizing high-performance dyes and pigments, particularly for demanding applications requiring specific color fastness and affinity. It is primarily utilized by manufacturers in the textile, specialty ink, and advanced material coating industries.

Application

• Cationic Dye Synthesis: A key intermediate for producing cationic (basic) dyes used in acrylic fiber dyeing.
• Specialty Ink Formulation: Used in the manufacture of inks for security printing, digital textiles, and high-resolution inkjet applications.
• Functional Pigment Production: Serves as a precursor for pigments in coatings and plastics where specific lightfastness and thermal stability are required.
• Research & Development: Employed in academic and industrial R&D for developing novel chromophores and photoactive materials.
• Biological Staining: Potential use in the synthesis of specialized stains for microscopy and histology due to its benzothiazole moiety.
• Photographic Sensitizers: Can be utilized in the development of spectral sensitizers for photographic emulsions.

Basic Information

Product Name	Methylsulfate Salt Of 2-[Ethyl-4-(6-Methoxy-3-Methylbenzothiazolium-2-Ylazo)-3-Methyl- Phenyl]Amino]Ethanol
CAS No.	136213-73-5
Molecular Formula	C22H28N4O5S2 (or as methylsulfate salt)
Molecular Weight	Contact for details
Synonyms	2-[Ethyl-[4-[(6-methoxy-3-methylbenzothiazol-2-yl)diazenyl]-3-methylphenyl]amino]ethanol methyl sulfate
C.I. Basic Blue 147 (related free base)
Methylsulfate salt of a cationic diazo dye intermediate
2-[(4-[(6-Methoxy-3-methyl-2-benzothiazolyl)azo]-3-methylphenyl)ethylamino]ethanol methyl sulfate
Basic Blue 147 salt
Cationic Blue Dye Intermediate
136213-73-5
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) detailing batch-specific results are provided and can be tailored to align with your internal quality standards.

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 nature, the container must be kept tightly sealed after use to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to violet crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, polar organic solvents

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