Description

p-[(2-Hydroxy-1-Naphthyl)Azo]Benzenesulphonic Acid, Compound With Methylamine (1:1) is an azo dye intermediate and organic salt known for its role in the synthesis of high-performance colorants. This compound matters for its ability to impart specific color properties and chemical stability to final dye products, ensuring consistent quality and performance. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research and development laboratories focused on advanced material science and specialty chemical synthesis.

Application

• Primary intermediate for the synthesis of azo dyes and pigments, particularly those requiring a naphthyl backbone for color fastness and intensity.
• Key component in the production of industrial colorants used in textiles, inks, and coatings.
• Used in research and development for creating novel chromophores and functional dyes.
• Potential use as a chemical reagent in analytical chemistry and as a staining agent in specialized applications.
• Employed in the development of specialty chemicals for non-textile applications such as plastics and paper coloring.

Basic Information

Product Name	p-[(2-Hydroxy-1-Naphthyl)Azo]Benzenesulphonic Acid, Compound With Methylamine (1:1)
CAS No.	85030-27-9
Molecular Formula	C17H15N3O4S
Molecular Weight	357.38 g/mol
Synonyms	4-[(2-Hydroxy-1-naphthyl)azo]benzenesulfonic acid methylamine salt; C.I. 15865; Acid Orange 20; Methylamine salt of 4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonic acid; 1-Naphthol-2-azo-4'-benzenesulfonic acid methylamine compound; p-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid methylamine salt; Azo dye intermediate 85030-27-9
EINECS	Contact for details

Quality Control

Our p-[(2-Hydroxy-1-Naphthyl)Azo]Benzenesulphonic Acid, Compound With Methylamine (1:1) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications for consistent performance as a dye intermediate. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are available upon request 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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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