Description

Lithium 5-[(3,5-Dichloro-2-Hydroxyphenyl)Azo]-4-[(Ethoxycarbonyl)Amino]-6-Hydroxynaphthalene-2-Sulphonate is a specialized lithium salt of a complex azo dye intermediate, valued for its precise chemical structure and functional groups. This compound is critical for synthesizing high-performance dyes and pigments, offering excellent color fastness and stability in demanding applications. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Textile Dye Intermediate: A key precursor for synthesizing high-grade, wash-fast azo dyes for synthetic and natural fibers.
• Pigment Manufacturing: Used in the production of organic pigments for inks, paints, and coatings, providing strong chromatic properties.
• Specialty Ink Formulation: Serves as a critical component in formulating inks for digital printing and security marking applications.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Functional Material Synthesis: Potential use as a building block for advanced materials, such as dye-sensitized solar cells or photoresponsive polymers.

Basic Information

Item	Detail
Product Name	Lithium 5-[(3,5-Dichloro-2-Hydroxyphenyl)Azo]-4-[(Ethoxycarbonyl)Amino]-6-Hydroxynaphthalene-2-Sulphonate
CAS No.	83784-12-7
Molecular Formula	C19H12Cl2LiN4O6S
Molecular Weight	485.15 g/mol (approx.)
Synonyms	Lithium 5-[(3,5-dichloro-2-hydroxyphenyl)azo]-4-[(ethoxycarbonyl)amino]-6-hydroxy-2-naphthalenesulfonate; C.I. Azoic Coupling Component; Azo Dye Intermediate Lithium Salt; 4-Amino-5-[(3,5-dichloro-2-hydroxyphenyl)azo]-6-hydroxy-2-naphthalenesulfonic acid, ethyl carbamate, lithium salt; 83784-12-7; Lithol Rubine BCA Lithium Salt (related class); Naphthalene sulfonate azo dye intermediate.
EINECS	Contact for details

Quality Control

Our production of Lithium 5-[(3,5-Dichloro-2-Hydroxyphenyl)Azo]-4-[(Ethoxycarbonyl)Amino]-6-Hydroxynaphthalene-2-Sulphonate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure consistent composition and performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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