Skip to content
Product Line: Pharmaceutical Chemicals

2,7-Dihydroxynaphthalene

CAS 582-17-2

Molecular structure of 2,7-Dihydroxynaphthalene

CAS · 582-17-2

01

Product Overview

2,7-Dihydroxynaphthalene is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Gray-white powder
HPLC Purity 98% min
Content 97% min
Melting Point 185–200℃
2-Naphthol 0.2% max
Ash 0.6% max
Water 1.0% max
5% Methanol Solution Transparent
03

Applications

2,7-Dihydroxynaphthalene (CAS 582-17-2) is a dihydroxy-substituted naphthalene used primarily as an intermediate in dyes, pigments, pharmaceuticals, and organic synthesis. In the dye and pigment industry, it serves as a building block for azo, anthraquinone, and vat dyes, where its hydroxyl groups allow coupling and functionalization reactions to generate vivid and stable colors. In pharmaceuticals, it is applied in the synthesis of bioactive compounds and heterocyclic scaffolds, where the hydroxyl groups enable selective derivatization. Additionally, 2,7-dihydroxynaphthalene is used in the preparation of antioxidants, polymer stabilizers, and specialty organic materials, benefiting from its aromatic and hydroxyl functionalities for chemical modifications and cross-linking reactions.

04

Benefits

The benefits of 2,7-dihydroxynaphthalene stem from its reactive hydroxyl groups, rigid aromatic structure, and versatility in chemical transformations. The hydroxyl groups provide sites for esterification, etherification, and condensation reactions, enabling the creation of a wide range of functional derivatives. Its naphthalene core imparts thermal and photochemical stability, making it suitable for durable dyes, pigments, and polymer additives. Additionally, its defined symmetry and substitution pattern allow selective functionalization, which is valuable in synthetic and material chemistry. These characteristics make it a reliable intermediate for producing high-performance dyes, pharmaceuticals, and specialty chemicals.

05

Conclusion

In summary, 2,7-dihydroxynaphthalene is a versatile intermediate in dyes, pigments, pharmaceuticals, and specialty organic materials. Its applications include azo and anthraquinone dye synthesis, bioactive compound preparation, and polymer stabilizer development, while its benefits lie in hydroxyl reactivity, structural stability, and selective functionalization. As industries continue to demand robust and functional aromatic intermediates, 2,7-dihydroxynaphthalene remains an important building block for chemical innovation.

Previous

2-Oxo-3-phenylpropanoic Acid丨CAS 156-06-9

Next

Pathalic Acid丨CAS 88-99-3