SUNCHEM

2,7-DIHYDROXY NAPHTHALENE

582-17-2

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CAS No.582-17-2

FormulaC10H8O2

SynonymsC.I. 76645;2,7-Naphthelendiol;2,7- twohydroxy naphthalene;2,7-Dihydroxynaphthalene 97%;2,7-Dihydroxynaphthalene, 97% 100GR;2,7-Dihydroxynaphthalene, 97% 25GR;2,7-Dihydroxynaphthalene, 97% 5GR;2,7-DIHYDROXYNAPTHALENE

Product overview & key benefits

2,7-Dihydroxynaphthalene is a naphthalene derivative with hydroxyl groups at the 2 and 7 positions, serving as an important coupling component in azo dye synthesis. It is a standard analytical reagent for carbohydrate detection and a building block for fluorescent and specialty chemical production. SUNCHEM supports international buyers with 2,7-Dihydroxy Naphthalene sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Existing Supplier Overview

We have over 20 years of experience in the field of APIs and we offer all services from R&D to production to export. We understand very well the differences and advantages between each manufacturer in China and are also very familiar with the registration requirements of our target markets. We have our own manufacturing facility and we also work with over 100 API factories. We have our own API registration team and can provide technical and documentary support to the factories.

Technical specifications

Property	Reference value
Melting point	185-190 °C (lit.)
Boiling point	246.06°C (rough estimate)
Density	1.0924 (rough estimate)
Refractive index	1.5418 (estimate)
Storage temp.	Store below +30°C.
Form	Powder
Pka	9.14±0.40(Predicted)
Color	Gray

Existing product reference data. Predicted values are identified in the table; Confirm the specification of the offered grade before ordering.

Applications

Azo dye coupling component for textile dyes
Analytical reagent for carbohydrate and sugar detection
Fluorescent whitening agent precursor
Organic synthesis intermediate
Textile and leather dye manufacturing
Photographic chemical
Naphthalene-based specialty chemical synthesis

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