Description

Sodium 8-Amino-5-(Naphthylazo)Naphthalene-2-Sulphonate is a specialized organic chemical compound belonging to the azo dye and sulfonate class, valued for its chromophoric and functional properties. This product is essential for applications requiring precise color formation, chemical reactivity, or as a sophisticated intermediate in synthesis. It is primarily utilized by manufacturers and R&D laboratories in the dye and pigment, analytical chemistry, and specialty chemical sectors.

Application

• Dye and Pigment Intermediate: A key precursor for synthesizing specific azo dyes and pigments, particularly for applications requiring red to violet hues.
• Analytical Reagent: Used as a chromogenic agent or indicator in complexometric titrations and colorimetric assays due to its distinct color change properties.
• Chemical Synthesis: Serves as a versatile building block in organic synthesis for creating more complex molecules with sulfonate and azo functionalities.
• Research & Development: Employed in academic and industrial R&D for studying azo compound chemistry, photochemical properties, and material science applications.
• Specialty Inks: Potential use in formulating specialty inks where specific light-fastness and chemical stability are required.

Basic Information

Product Name	Sodium 8-Amino-5-(Naphthylazo)Naphthalene-2-Sulphonate
CAS No.	75627-23-5
Molecular Formula	C20H13N3NaO3S
Molecular Weight	398.39 g/mol
Synonyms	8-Amino-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid sodium salt; Sodium 8-amino-5-(1-naphthylazo)-2-naphthalenesulfonate; 1-Naphthaleneazo-8-amino-2-naphthalenesulfonic acid sodium salt; Acid Red 299 (related class); C.I. 18134; Azoic diazo component; 8-Amino-5-(1-naphthylazo)-2-naphthalenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 8-Amino-5-(Naphthylazo)Naphthalene-2-Sulphonate is manufactured under strict quality protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark red to 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
Solubility (Water)	Soluble, clear solution

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