Description

2-Methyl-3-Sulfopropyl Benzothiazolium Inner Salt is a versatile zwitterionic compound featuring a benzothiazole core with a sulfopropyl side chain. This unique structure makes it a valuable intermediate and functional additive, particularly in the synthesis of advanced materials and specialty chemicals. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and polymer industries seeking to develop products with specific ionic or surface-active properties.

Application

• Chemical Synthesis Intermediate: A key building block for synthesizing more complex benzothiazole derivatives, dyes, and photoinitiators.
• Polymer & Material Science: Used as a monomer or additive to impart zwitterionic characteristics, enhancing hydrophilicity, anti-fouling properties, or conductivity in polymers and coatings.
• Pharmaceutical Research: Serves as a precursor in the development of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Formulations: Employed in the synthesis of modern pesticides and herbicides, leveraging the benzothiazole moiety's bioactivity.
• Electrolyte & Battery Research: Investigated for use in electrolyte formulations for energy storage devices due to its ionic nature and potential stability.
• Surfactant & Detergent Industry: Acts as a specialty surfactant or hydrotrope in formulations requiring specific solubility and surface tension control.

Basic Information

Item	Details
Product Name	2-Methyl-3-Sulfopropyl Benzothiazolium Inner Salt
CAS No.	56405-37-9
Molecular Formula	C12H15NO3S2
Molecular Weight	285.38 g/mol
Synonyms	2-Methyl-3-(3-sulfopropyl)benzothiazolium hydroxide, inner salt; 3-(2-Methylbenzothiazol-3-ium-3-yl)propane-1-sulfonate; Benzothiazolium, 2-methyl-3-(3-sulfopropyl)-, inner salt; SPBT; 2-Methyl-3-sulfopropylbenzothiazolium betaine
EINECS	Contact for details

Quality Control

Our production of 2-Methyl-3-Sulfopropyl Benzothiazolium Inner Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to guarantee supply reliability and batch-to-batch consistency for your processes.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which may affect quality.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%

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