Description

1-Naphthalenesulfonic Acid, 2-[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Barium Salt (1:1) is a specialized metallized azo dye complex valued for its color properties and stability. This compound is engineered to deliver consistent performance as a pigment and colorant in demanding industrial applications. It is primarily sought by manufacturers in the coatings, plastics, and specialty ink industries where precise coloration and material compatibility are critical.

Application

• Industrial Pigment for Coatings and Paints: Used to impart durable color to industrial and protective coatings.
• Plastics and Polymer Coloring: Serves as a colorant in the manufacturing of colored plastic compounds and masterbatches.
• Specialty Printing Inks: Employed in formulations for inks requiring specific shade and stability.
• Textile Dyeing Auxiliary: Can be used in specific dyeing processes for synthetic fibers.
• Research and Development: Acts as a chemical intermediate or reference standard in synthetic chemistry and material science R&D.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 2-[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Barium Salt (1:1)
CAS No.	121029-07-0
Molecular Formula	C20H12BaN2O8S2
Molecular Weight	634.82 g/mol (approx.)
Synonyms	Barium 2-[(2-hydroxy-6-sulfo-1-naphthyl)azo]-1-naphthalenesulfonate; C.I. Pigment Red 277; C.I. 200115; Barium Salt of 1-Naphthalenesulfonic Acid, 2-[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-; 2-[(2-Hydroxy-6-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid barium salt; Pigment Red 277; Barium Lake of Azo Dye
EINECS	Contact for details

Quality Control

Our production of 1-Naphthalenesulfonic Acid, 2-[(2-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo]-, Barium Salt (1:1) adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing purity, heavy metal content, and other critical parameters is provided with every shipment to support your quality assurance processes.

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); ensure containers are kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 3.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Barium Content	Contact for details

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