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7-dihydroxy-2

Updated: 2026-07-22

Overview

2,7-Dihydroxynaphthalene is an organic compound belonging to the naphthalene derivatives family. It is widely recognized for its role as an intermediate in the synthesis of dyes and other organic compounds. The compound is characterized by the presence of two hydroxyl groups attached to the naphthalene ring, which enhances its reactivity and utility in various chemical processes. In industrial settings, 2,7-Dihydroxynaphthalene is valued for its ability to undergo further chemical transformations, making it a versatile building block in organic chemistry. Its applications span across dye manufacturing, pharmaceutical research, and specialty chemical production.

Physical and Chemical Properties

【乐美天】3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one  40554-94-7	分析标准品/对照品成都乐美天医药科技有限公司

2,7-Dihydroxynaphthalene appears as a white to off-white crystalline powder with a molecular weight of 160.17 g/mol. It has a melting point range of 185-190°C, indicating its stability under moderate thermal conditions. The compound is soluble in organic solvents like ethanol and acetone but exhibits limited solubility in water. The presence of hydroxyl groups on the naphthalene ring imparts polarity to the molecule, influencing its reactivity and solubility profile. These properties make it suitable for use in various chemical reactions, including oxidation and condensation processes, which are crucial in dye synthesis.

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Main Applications

The primary application of 2,7-Dihydroxynaphthalene lies in the dye industry, where it serves as a key intermediate for producing azo dyes and other colorants. Its ability to form stable complexes with metals also makes it useful in the development of metal-complex dyes. Beyond dyes, this compound finds use in pharmaceutical research as a precursor for synthesizing active pharmaceutical ingredients (APIs). Additionally, it is employed in academic and industrial research laboratories for studying organic reaction mechanisms and developing new chemical entities.

Safety and Storage

3,7-二羟基-2-萘甲酸 /3,7-Dihydroxy-2-naphthoic acid/83511-07-3上海鼓臣生物技术有限公司

Handling 2,7-Dihydroxynaphthalene requires adherence to standard safety protocols to minimize exposure risks. The compound may cause skin and eye irritation upon contact, necessitating the use of protective gloves and goggles. Inhalation of dust should be avoided by working in well-ventilated areas or using fume hoods. For storage, the compound should be kept in a cool, dry environment, away from direct sunlight and oxidizing agents. Properly sealed containers are recommended to prevent moisture absorption and degradation. Disposal should comply with local environmental regulations to ensure minimal ecological impact.

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B2B Procurement Guide

When procuring 2,7-Dihydroxynaphthalene, B2B buyers should prioritize suppliers with a proven track record of delivering high-purity products. Requesting a Certificate of Analysis (COA) is essential to verify the compound's purity and conformity to specifications. Bulk purchases often attract discounts, but buyers should balance cost considerations with storage capacity and shelf-life constraints. Establishing long-term relationships with reliable suppliers can ensure consistent quality and timely deliveries. Additionally, buyers should stay informed about market trends and regulatory changes that may impact availability or pricing.

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