Description

5-[(6-Chloro-1,4-Dihydro-4-Oxo-1,3,5-Triazin-2-Yl)Amino]-4-Hydroxy-3-[(2-Sulphophenyl)Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt is a high-purity, water-soluble reactive dye intermediate and colorant. This compound is valued for its ability to form strong covalent bonds with substrates, providing excellent wash and light fastness properties. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries for producing vibrant and durable colors.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes used in cotton, wool, and nylon fiber dyeing and printing.
• Textile Industry: Imparts bright, stable hues with superior resistance to washing, light, and perspiration in finished fabrics.
• Inkjet Inks: Used in the formulation of specialty inks for digital textile printing, requiring high color strength and stability.
• Paper Coloring: Employed in the production of high-grade colored papers where color fastness is critical.
• Leather Dyeing: Provides durable and uniform coloration for finished leather goods.
• Research & Development: Serves as a standard or precursor in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	5-[(6-Chloro-1,4-Dihydro-4-Oxo-1,3,5-Triazin-2-Yl)Amino]-4-Hydroxy-3-[(2-Sulphophenyl)Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt
CAS No.	85136-21-6
Molecular Formula	C19H10ClN6O11S3 · xK · yNa
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 85136-21-6; C.I. Reactive Red 198; Potassium Sodium Salt of Azo Triazine Dye; 1,3,5-Triazin-2-amine derivative; 4-Hydroxy-3-[(2-sulfophenyl)azo]-5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2,7-naphthalenedisulfonic acid potassium sodium salt; Azo-triazine chromophore; Textile dye precursor; Water-soluble reactive dye intermediate
EINECS	Contact for details

Quality Control

Our production of 5-[(6-Chloro-1,4-Dihydro-4-Oxo-1,3,5-Triazin-2-Yl)Amino]-4-Hydroxy-3-[(2-Sulphophenyl)Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt adheres to stringent quality management systems. Every batch is analyzed to ensure consistent purity, color strength, and chemical composition, meeting the specific requirements of the dye and pigment industries. Certificates of Analysis (COA) documenting key parameters are available upon request.

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 hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Color Strength	100% ± 3% (vs. Standard)
Moisture Content	Max. 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	Max. 20 ppm
pH (1% Solution)	6.0 - 8.0

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