Description

Calcium 4-[(4-Chloro-5-Ethyl-2-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate is a high-purity azo dye intermediate and pigment, identified by CAS NO 58067-05-3. This compound is valued for its role in producing vivid, stable colors and its utility in advanced material synthesis. It is primarily required by manufacturers in the pigments and dyes, specialty chemicals, and advanced material research sectors.

Application

• Primary intermediate for the synthesis of high-performance azo pigments and dyes.
• Key component in the production of industrial colorants for plastics, inks, and coatings.
• Used in the formulation of specialized textile dyes requiring specific fastness properties.
• Employed as a functional intermediate in research and development of novel organic colorants.
• Potential use in the manufacturing of color filters for optical and electronic applications.
• Acts as a chemical building block for specialty fine chemicals and complex organic molecules.

Basic Information

Product Name	Calcium 4-[(4-Chloro-5-Ethyl-2-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate
CAS No.	58067-05-3
Molecular Formula	C19H12ClN2O6SCa
Molecular Weight	471.91 g/mol
Synonyms	Calcium 4-[(4-Chloro-5-ethyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoate; C.I. Pigment Red 57:1 Calcium Salt; Calcium 3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-2-naphthoate (related compound); Calcium 4-[(4-Chloro-5-ethyl-2-sulfonatophenyl)azo]-3-hydroxy-2-naphthoate; Azo Dye Calcium Salt; 4-[(4-Chloro-5-ethyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic acid calcium salt; Calcium Lithol Rubine B; Pigment Red 57:1 Calcium Lake.
EINECS	Contact for details

Quality Control

Our production of Calcium 4-[(4-Chloro-5-Ethyl-2-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical 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 ambient temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Within specified range
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Sparingly soluble in water; soluble in alkaline solutions

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