Naphthalic Anhydride 1,8-Naphthalic CAS 81-84-5

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CAS NO.： 81-84-5

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Overview

Properties

OVERVIEW

Naphthalic Anhydride

Applications Of Naphthalic Anhydride:

As an important raw material for the synthesis of perylene dyes, pigments and fluorescent brighteners, it is used as an intermediate for dyes, pesticides, pharmaceuticals and polyester resins.

Basic information Of Naphthalic Anhydride:

CAS: 81-84-5

MF: C12H6O3

MW: 198.17

Structure:

Physicochemical Of Naphthalic Anhydride:

Properties: light yellow powder, needle like crystals in ethanol and rhombic crystals in acetic acid. Insoluble in water, ether, benzene, slightly soluble in hot ethanol, soluble in hot acetic acid.

Melting point: 269 °C

Boiling point: 407.5 ºC

Density: 1.449 g / cm3

Flash point: 272 °C

Properties

1,8-Naphthalic anhydride precipitates acicular crystals in ethanol and rhombic crystals in acetic acid, insoluble in water, ether and benzene, slightly soluble in hot ethanol and soluble in hot acetic acid. This product is mainly used as the intermediate of dye, pesticide, medicine and polyester resin. It is an important raw material for the synthesis of perylene dyes, pigments and fluorescent whitening agents.

CAS No.

81-84-5

Formula

C12H6O3

Molecular Mass

198.17400

Exact Mass

198.03200

PSA

43.37000

Logp

2.15040