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Composti Carbonilici - ITIS E. Divini

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Formaldeide<br />

• Gas a t.a.<br />

• Formalina è una soluzione acquosa al 40%.<br />

O<br />

O<br />

O<br />

triossano<br />

p.f. 62°C<br />

calore<br />

O<br />

H H<br />

formaldeide<br />

p.eb. –21°C<br />

H 2<br />

O<br />

HO OH<br />

H H<br />

formalina<br />

• Esiste anche un polimero lineare della formaldeide che si<br />

chiama paraformaldeide.<br />

9

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