Description

2-Methyl-3-Sulfobutyl-5-Chlorobenzothiazolium, Inner Salt is a specialized organic salt with a benzothiazole core, valued for its role as a key intermediate and functional additive in advanced chemical synthesis. Its unique zwitterionic structure makes it particularly useful in applications requiring solubility control and specific reactivity. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop new active ingredients or performance materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with benzothiazole-based structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the chlorobenzothiazole moiety imparts specific biological activity.
• Dye and Pigment Manufacturing: Acts as a precursor or intermediate in the synthesis of specialized dyes, optical brighteners, and photographic sensitizers.
• Polymer Additive: Functions as a modifier or curing agent in specialty polymer formulations to enhance specific material properties.
• Research & Development: A valuable reagent for academic and industrial research in organic chemistry, medicinal chemistry, and materials science.
• Corrosion Inhibitor Formulation: Potential use as a component in high-performance corrosion inhibitor blends for industrial applications.

Basic Information

Product Name	2-Methyl-3-Sulfobutyl-5-Chlorobenzothiazolium, Inner Salt
CAS No.	53061-07-7
Molecular Formula	C12H14ClNO3S2
Molecular Weight	327.82 g/mol
Synonyms	5-Chloro-2-methyl-3-(4-sulfobutyl)benzothiazolium, inner salt; 2-Methyl-5-chloro-3-(4-sulfobutyl)benzothiazolium hydroxide, inner salt; 3-(4-Sulfobutyl)-5-chloro-2-methylbenzothiazolium inner salt; 5-Chloro-2-methylbenzothiazole-3-propylsulfonic acid, betaine; Benzothiazolium, 5-chloro-2-methyl-3-(4-sulfobutyl)-, hydroxide, inner salt; CAS 53061-07-7
EINECS	Contact for details

Quality Control

Our production of 2-Methyl-3-Sulfobutyl-5-Chlorobenzothiazolium, Inner Salt adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support cGMP standards for pharmaceutical-grade applications upon request.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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