Description

3-[[4-[(Benzothiazol-2-Yl)Azo]-3-Methylphenyl]Ethylamino]-1-Propanesulfonic Acid Sodium Salt is a high-purity, water-soluble azo dye intermediate characterized by its sulfonic acid sodium salt functionality. This compound is valued for its ability to impart specific color properties and act as a reactive component in advanced synthesis. It is essential for manufacturers in the textile, specialty ink, and analytical reagent industries seeking consistent performance and batch-to-batch uniformity for their formulations.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and acid dyes for coloring natural and synthetic fibers like wool, silk, and nylon.
• Specialty Inks: Used in the formulation of high-performance inks for jet printing, security printing, and other niche applications requiring precise color characteristics.
• Analytical Chemistry: Employed as a chromogenic reagent or indicator in spectrophotometric analysis and biochemical assays due to its specific light-absorbing properties.
• Research & Development: Serves as a building block in organic synthesis for developing novel dyes, pigments, and functional materials in academic and industrial R&D labs.
• Photographic Industry: Can be utilized in the production of light-sensitive materials and color couplers.
• Biological Staining: Potential use in histological stains for microscopy, leveraging its ability to bind to specific cellular structures.

Basic Information

Product Name	3-[[4-[(Benzothiazol-2-Yl)Azo]-3-Methylphenyl]Ethylamino]-1-Propanesulfonic Acid Sodium Salt
CAS No.	67875-03-0
Molecular Formula	C19H21N4O3S2Na
Molecular Weight	440.51 g/mol
Synonyms	1-Propanesulfonic acid, 3-[[4-[(2-benzothiazolyl)azo]-3-methylphenyl]ethylamino]-, sodium salt (1:1); Sodium 3-({4-[(1,3-benzothiazol-2-yl)diazenyl]-3-methylphenyl}ethylamino)propane-1-sulfonate; Acid Red 1 (related class); C.I. 18050 (related index); Azo Benzothiazole Dye Intermediate; 3-((4-((Benzothiazol-2-yl)azo)-3-methylphenyl)(ethyl)amino)propane-1-sulfonate Sodium Salt; Water-soluble azo dye salt
EINECS	Contact for details

Quality Control

Our production of 3-[[4-[(Benzothiazol-2-Yl)Azo]-3-Methylphenyl]Ethylamino]-1-Propanesulfonic Acid Sodium Salt adheres to stringent quality protocols to ensure it meets the exacting standards required for industrial and research applications. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance 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). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition (Sulfated Ash)	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

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