Description

1-Naphthalenesulfonic Acid, 4-[(2-Hydroxy-1-Naphthalenyl)Azo]-, Barium Salt (2:1) is a specialized organometallic azo compound, valued for its unique chemical structure and functional properties. This product is engineered to deliver consistent performance as a key intermediate or functional additive in advanced manufacturing processes. It is primarily utilized by industries involved in the production of high-performance pigments, dyes, and specialty chemical formulations where precise color and stability are critical.

Application

• Primary use as a precursor or intermediate in the synthesis of high-value azo pigments and dyes.
• Potential functional additive in the formulation of specialty coatings and inks requiring specific colorfastness and chemical resistance.
• Research and development of novel colorants for plastics and polymers.
• Use in analytical chemistry as a reagent or standard for method development and calibration.
• Exploration in the development of functional materials for niche industrial applications.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 4-[(2-Hydroxy-1-Naphthalenyl)Azo]-, Barium Salt (2:1)
CAS No.	121029-08-1
Molecular Formula	C20H14N2O4S · 1/2Ba
Molecular Weight	~ 460.78 g/mol (for barium salt form)
Synonyms	4-[(2-Hydroxy-1-naphthyl)azo]-1-naphthalenesulfonic acid barium salt; Barium 4-[(2-hydroxy-1-naphthyl)azo]-1-naphthalenesulfonate; C.I. Pigment Red; Azo Barium Lake; 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, barium salt (2:1); Barium 1-naphthalenesulfonate azo dye; Light Red Barium Salt
EINECS	Contact for details

Quality Control

Our production of 1-Naphthalenesulfonic Acid, 4-[(2-Hydroxy-1-Naphthalenyl)Azo]-, Barium Salt (2:1) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet our high standards and customer specifications. A Certificate of Analysis (COA) detailing key parameters is provided with each shipment to guarantee traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Red to reddish-brown powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Barium Content	As per theoretical value ± 2%

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