Description

Calcium Bis[4-[[3-[[2-Hydroxy-3-[[(4-Methoxyphenyl)Amino]Carbonyl]-1-Naphthyl]Azo]-4-Methylbenzoyl]Amino]Benzenesulphonate] is a high-purity, complex azo-based chemical compound valued for its specific chromophoric and functional properties. This product is essential for industries requiring precise colorants or specialized intermediates with consistent performance. It is primarily utilized in the manufacturing of advanced pigments, dyes, and as a key intermediate in fine chemical synthesis for research and industrial applications.

Application

• High-Performance Pigment Intermediate: A critical precursor in the synthesis of complex organic pigments for plastics, coatings, and inks.
• Specialty Dye Manufacturing: Used in the production of specialized dyes for textiles, leather, and paper requiring specific lightfastness and color properties.
• Fine Chemical Synthesis: Serves as a key building block in pharmaceutical and agrochemical research for creating novel molecular structures.
• Functional Material Development: Employed in research for developing advanced materials, including sensors and optical devices.
• Analytical Chemistry Reagent: Can be used as a standard or reagent in chromatographic analysis and method development.

Basic Information

Product Name	Calcium Bis[4-[[3-[[2-Hydroxy-3-[[(4-Methoxyphenyl)Amino]Carbonyl]-1-Naphthyl]Azo]-4-Methylbenzoyl]Amino]Benzenesulphonate]
CAS No.	43035-18-3
Molecular Formula	C68H48CaN8O14S2
Molecular Weight	1305.4 g/mol
Synonyms	Calcium 4-[[3-[[2-Hydroxy-3-[(4-methoxyphenyl)carbamoyl]-1-naphthyl]azo]-4-methylbenzoyl]amino]benzenesulphonate; C.I. Pigment Red 57:1 (Calcium salt); Lithol Rubine BCA; Calcium Lithol Rubine; Pigment Red 57:1; Calcium 4-[(3-{[2-Hydroxy-3-[(4-methoxyphenyl)carbamoyl]-1-naphthyl]azo}-4-methylbenzoyl)amino]benzenesulphonate; Calcium salt of 4-[(3-{[2-hydroxy-3-[(4-methoxyphenyl)carbamoyl]-1-naphthyl]azo}-4-methylbenzoyl)amino]benzenesulphonic acid
EINECS	256-077-1

Quality Control

Our Calcium Bis[4-[[3-[[2-Hydroxy-3-[[(4-Methoxyphenyl)Amino]Carbonyl]-1-Naphthyl]Azo]-4-Methylbenzoyl]Amino]Benzenesulphonate] is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing including HPLC, spectrophotometry, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Red to violet powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Insoluble in water; soluble in concentrated sulfuric acid

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