Description

2-Naphthalenol CAS NO 135-19-3 is a versatile aromatic organic compound, also widely known as 2-Naphthol or β-Naphthol. It serves as a critical intermediate and building block in the synthesis of a wide range of dyes, pigments, and other fine chemicals. This high-purity compound is essential for manufacturers in the dye, pharmaceutical, agrochemical, and rubber industries seeking reliable quality and consistent performance in their processes.

Application

• Dye and Pigment Manufacturing: A key intermediate for producing azo dyes, lake pigments, and other colorants for textiles, leather, and plastics.
• Pharmaceutical Intermediates: Used in the synthesis of various active pharmaceutical ingredients (APIs) and other drug compounds.
• Agrochemical Synthesis: Serves as a precursor in the production of certain pesticides, herbicides, and fungicides.
• Rubber Antioxidants: Acts as an intermediate in the manufacture of antioxidants and antiozonants for the rubber industry.
• Photographic Chemicals: Utilized in the production of certain photographic developers and chemicals.
• Fragrance and Flavor Intermediates: Employed in the synthesis of some fragrance compounds and aroma chemicals.
• Laboratory Research & Development: Used as a reagent and standard in analytical chemistry and organic synthesis research.

Basic Information

Product Name	2-Naphthalenol
CAS No.	135-19-3
Molecular Formula	C10H8O
Molecular Weight	144.17 g/mol
Synonyms	2-Naphthol; β-Naphthol; β-Naphthol; Isonaphthol; 2-Hydroxynaphthalene; Naphthalen-2-ol; CI 37500; CI Azoic Coupling Component 1
EINECS	205-182-7

Quality Control

Our 2-Naphthalenol is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	121°C - 123°C
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%

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