Description

3-Methyl-2-((p-Sulfophenyl)Azo)Benzothiazoliumhydroxideinnersalt is a synthetic azo dye intermediate characterized by its benzothiazole core and sulfonic acid group, which imparts water solubility. This compound is valued for its role in producing high-performance, colorfast dyes and pigments for demanding industrial applications. It is primarily sought by manufacturers in the textile, leather, and specialty ink industries for creating vibrant and durable colorants.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and acid dyes used on cotton, wool, silk, and nylon fibers.
• Leather Finishing: Used in the production of dyes for coloring leather goods, providing rich, uniform shades.
• Ink Manufacturing: Serves as a precursor for pigments in specialty inks, including inks for packaging and security printing.
• Paper Coloring: Employed in the synthesis of dyes for high-grade paper and decorative paper products.
• Biological Staining: Potential use as an intermediate for developing histological stains in laboratory settings.
• Research & Development: Utilized as a building block in organic synthesis and materials science research for novel chromophores.

Basic Information

Product Name	3-Methyl-2-((p-Sulfophenyl)Azo)Benzothiazoliumhydroxideinnersalt
CAS No.	16600-07-0
Molecular Formula	C14H11N3O3S2
Molecular Weight	333.38 g/mol
Synonyms	3-Methyl-2-[(4-sulfophenyl)azo]benzothiazolium hydroxide inner salt; Basic Orange 29; C.I. 48035; 2-[(4-Sulfophenyl)azo]-3-methylbenzothiazolium hydroxide inner salt; Azo Benzothiazole Dye Intermediate; 3-Methyl-2-(p-sulfophenylazo)benzothiazolium hydroxide
EINECS	240-677-6

Quality Control

Our production of 3-Methyl-2-((p-Sulfophenyl)Azo)Benzothiazoliumhydroxideinnersalt adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for industrial applications. Quality is verified through comprehensive analytical testing, including HPLC for assay and purity, and spectroscopy for structural confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical 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 sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Orange to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Content (KF)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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