4-Chloro-1,8-naphthalic anhydride Cas:4053-08-1

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4-Chloro-1,8-naphthalic anhydride

Synonyms:
4-Chloro-1,8-naphthalic anhydride
6-Chlorobenzo[de]isochromene-1,3-dione
4-chloronaphthalene-1,8-dicarboxylic acid anhydride
EINECS 223-760-7
6-Chloro-1H,3H-benzo[de]isochromene-1,3-dione
4-chloro-1,8-naphtalic acid anhydride
6-Chloronaphtho[1,8,8a-c,d]pyran-1,3-dione
1H,3H-Naphtho(1,8-cd)pyran-1,3-dione,6-chloro
4-Chloronaphthalic anhydride
4-Chloronaphthalene-1,8-dicarboxylic anhydride
Naphthalic anhydride,4-chloro-(7CI,8CI)

 
molecular formula: C12H5ClO3
Molecular weight: 232.61900
 
Physical Properties:
Appearance and Properties: Beige to brown powder Density: 1.565 g/cm3 
Boiling Point: 450.9ºC at 760 mmHg 
Melting Point: 202-206 °C (dec.) 
Flash Point: 208.3ºC 
Refractive Index: 1.715

 
Specification:
Appearance :Gray-white powder 
Content : 99.0%
Melting point  :202-206°C 
Moisture  :≤0.50% 
Ash : ≤0.20 
Chloride : ≤20ppm 
Iron ion  :<20ppm

 
Application:
Uses: It is an important raw material for synthesizing dyes, pigments and fluorescent whitening agents.
 
Package and Storage:
1kg/bottle or bag
25kgs/drum or bag
 
 



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