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Zibo Shiji Zhonglian Pharmaceutical Technology Co.,Ltd.
Zibo Shiji Zhonglian Pharmaceutical Technology Co.,Ltd.
13 YRS
Shandong, China
Main Products:
Naphthalic Anhydride / 2',6'-Dichloro-3'-Fluoroacetophenone / 2,4-Dichloro-5-Fluoroacetophenone
Shandong, China
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1,8-Naphthalic Anhydride / CAS 81-84-5
OVERVIEW
Uses
Packaging
| Pallets Packing | 20'FCL | 40'FCL | ||
| With | Without | With | Without | |
|
20 KG/Woven Bag
≥99%
|
16 MT
|
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|
--
|
--
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Lead Time
In Stock
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DESCRIPTION
OVERVIEW
1,8-Naphthalic Anhydride
CAS NO.: 81-84-5
Content: ≥99%
Molecular formula: C12H6O3
Molecular weight: 198.17
Structural formula: 
Appearance: light yellow powder
Uses: it is an important raw material for synthesizing perylene dyes, pigments and fluorescent brighteners.
Packing: 20kg / bag
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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