Description

Disodium 2-(4-Amino-3-Sulphonatophenyl)-6-Methylbenzothiazole-7-Sulphonate is a high-purity, water-soluble organic intermediate primarily used in the synthesis of advanced functional dyes and pigments. This compound matters for its role as a key precursor in creating colorants with excellent lightfastness and thermal stability for demanding industrial applications. It is essential for manufacturers in the textile, ink, and specialty chemical sectors who require consistent quality and reliable supply chains for their production processes.

Application

• Reactive Dye Intermediate: A critical building block for synthesizing high-performance reactive dyes used in cotton and cellulose fiber dyeing.
• Functional Pigment Synthesis: Used in the production of pigments for inks, plastics, and coatings that require enhanced durability.
• Optical Brightener Precursor: Serves as an intermediate in the manufacture of certain classes of fluorescent whitening agents (FWAs).
• Analytical Reagent: Can be utilized as a standard or reagent in analytical chemistry for colorimetric detection methods.
• Research & Development: Employed in academic and industrial R&D for developing new chromophores and photoactive materials.
• Specialty Chemical Manufacturing: A key starting material for various specialty chemicals where a sulfonated benzothiazole structure is required.

Basic Information

Product Name	Disodium 2-(4-Amino-3-Sulphonatophenyl)-6-Methylbenzothiazole-7-Sulphonate
CAS No.	52044-08-3
Molecular Formula	C14H10N2Na2O7S3
Molecular Weight	484.37 g/mol
Synonyms	Disodium 2-(4-Amino-3-sulfonatophenyl)-6-methyl-1,3-benzothiazole-7-sulfonate; 2-(4-Amino-3-sulfophenyl)-6-methylbenzothiazole-7-sulfonic acid disodium salt; 7-Methyl-2-(4-amino-3-sulfophenyl)benzothiazole-5-sulfonic acid disodium salt; C.I. Fluorescent Brightener 260; Fluorescent Brightener SWN; FBA 260; Blankophor SWN; Leucophor SWN
EINECS	Contact for details

Quality Control

Our Disodium 2-(4-Amino-3-Sulphonatophenyl)-6-Methylbenzothiazole-7-Sulphonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive synthesis applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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