Product Name:

1,8-Naphthalic anhydride

Alias:

phthalene-1,8-dicarboxylic anhydride

CAS RN.:

81-84-5

Molecular Formula:

C₁₂H₆O₃

   Properties:  
Appearance: Needle-like crystal will separate out in ethanol, and diamond crystal will separate out in acetic acid.
M.P.: 267~269ºC
Solubility: Insoluble in water, ether and benzene; slightly soluble in hot ethanol, soluble in hot acetic acid.

   Use:
As material n the synthesis of Perylene dyes, pigments and optical brightener.
Packing: In bags, net wt. 25Kg
Purity: ≥98%