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Anshan Beida Industry Co.,Ltd.
Anshan Beida Industry Co.,Ltd.
27 YRS
Liaoning, China
Main Products:
Naphthalic Anhydride / 1H-Indole / Pyridine
Liaoning, China
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Naphthalic Anhydride / CAS 81-84-5
OVERVIEW
Uses
Packaging
| Pallets Packing | 20'FCL | 40'FCL | ||
| With | Without | With | Without | |
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25 KG/Woven Bag
|
16 MT
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Lead Time
In Stock
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DESCRIPTION
PRODUCT DESCRIPTION
Naphthalic Anhydride
Alias: Naphthalene-1,8-dicarboxylic anhydride; 1,8-naphthallic anhydried
CAS No.: 81-84-5
EINECS No.: 201-380-2
Content: ≥ 99%, ≥ 98%
Molecular formula: C12H6O3
Molecular weight: 198.17
Molecular structure:
Physicochemical properties
Properties: acicular crystals are precipitated in ethanol, and rhombic crystals are precipitated in acetic acid.
Appearance: light yellow powder
Melting point: 267-269 ℃
Solubility: insoluble in water, ether, benzene, slightly soluble in hot ethanol, soluble in hot acetic acid.
Typical Properties
Summary
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
IUPAC
3-oxatricyclo[7.3.1.0(5,13)]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione
SMILES
C1=CC2=C3C(=C1)C(=O)OC(=O)C3=CC=C2
Attribute classification
Matter Classification
organic
Category
Polymers Material > Material
Agrochemicals > Pesticides
Dyestuffs and Pigments > Intermediates
Agrochemicals > Pesticides
Dyestuffs and Pigments > Intermediates
Chemical and Physical Properties
Melting Point
269 °C
Density
1.449 g/cm3
Boiling Point
407.5 ºC
Flash Point
272 °C
Appearance
Pale yellow powder
Export information
HS Code
29173990
Export Rebate
13%
UN No.
1325
DG-Class
4.1
Risk Code
R36/37/38
Safety Label
Xi
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