Description

Naphthol As-Ol Phosphate is a specialized organophosphate derivative of a naphthol azo dye intermediate. This compound is valued for its role as a key chemical building block in the synthesis of advanced dyes, pigments, and functional materials. It is primarily utilized by manufacturers in the fine chemical, specialty dye, and research & development sectors seeking high-purity intermediates for complex synthesis.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of specific azo dyes and organic pigments, particularly for applications requiring lightfastness.
• Chemical Synthesis: Serves as a phosphorylated intermediate in organic synthesis for research and development of novel compounds.
• Analytical Reagent: Potential use as a specialized reagent or standard in analytical chemistry and chromatography.
• Material Science Research: Investigated for incorporation into functional polymers or as a surface-modifying agent in advanced materials.

Basic Information

Product Name	Naphthol As-Ol Phosphate
CAS No.	84522-15-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	3-Hydroxy-4-[(2-methoxyphenyl)azo]-2-naphthoic acid 6-(dihydrogen phosphate); Naphthol AS-OL phosphate ester; C.I. Azoic Coupling Component 20, phosphate; Azoic Coupling Component 20 phosphate; Phosphoric acid ester of Naphthol AS-OL; Naphthol ASOL phosphate; 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-methoxyphenyl)azo]-, 6-(dihydrogen phosphate)
EINECS	Contact for details

Quality Control

Our Naphthol As-Ol Phosphate is produced under a rigorous quality management system. Each batch is analyzed to ensure it meets stringent purity and consistency standards. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light tan powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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