Description

1-Chloro-8-Hydroxy-7-[4-(6-Methylbenzothiazol-2-Yl)Phenylazo]Naphthalene-3,6-Bis(Sulfonic Acid Sodium) Salt is a high-purity, water-soluble azo dye intermediate characterized by its complex aromatic structure. This compound matters for its role as a critical precursor in the synthesis of specialized dyes and pigments, offering excellent color fastness and thermal stability. It is primarily needed by manufacturers in the textile, ink, and specialty coatings industries seeking to produce high-performance colorants.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and direct dyes for cotton, wool, and synthetic fibers.
• Ink Formulation: Used in the production of high-quality pigments for industrial printing inks and toners.
• Specialty Coatings: Serves as a colorant precursor in coatings requiring specific lightfastness and chemical resistance.
• Functional Dyes: Potential intermediate for dyes used in non-textile applications such as lasers or optical data storage.
• Research & Development: Employed in chemical research for developing novel chromophores and studying azo dye chemistry.
• Analytical Reagents: Can be used as a staining agent or indicator in specific analytical chemistry procedures.

Basic Information

Product Name	1-Chloro-8-Hydroxy-7-[4-(6-Methylbenzothiazol-2-Yl)Phenylazo]Naphthalene-3,6-Bis(Sulfonic Acid Sodium) Salt
CAS No.	5850-73-7
Molecular Formula	C30H18ClN4Na2O7S3
Molecular Weight	763.12 g/mol
Synonyms	Acid Black 210; C.I. 300310; 1-Chloro-8-hydroxy-7-[p-(6-methyl-2-benzothiazolyl)phenylazo]naphthalene-3,6-disulfonic acid disodium salt; Benzenesulfonic acid, 2-[4-[2-(7-chloro-8-hydroxy-3,6-disulfo-2-naphthalenyl)diazenyl]phenyl]-6-methylbenzothiazole, disodium salt; Disodium 7-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]diazenyl-1-chloro-8-hydroxynaphthalene-3,6-disulphonate
EINECS	Contact for details

Quality Control

Our 1-Chloro-8-Hydroxy-7-[4-(6-Methylbenzothiazol-2-Yl)Phenylazo]Naphthalene-3,6-Bis(Sulfonic Acid Sodium) Salt is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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