CAS No: 674-82-8, Chemical Name: diketene
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674-82-8 diketene

Nom diketene
Synonymes diketen; Ketenedimer,99%; Ketene Dimer; DK; Acetyl ketene; 4-Methylene-2-oxetanone; But-3-en-3-olide; 4-methylideneoxetan-2-one; but-1-ene-1,3-dione
Formule moléculaire C4H4O2
Poids Moléculaire 84.0734
InChI InChI=1/C4H4O2/c1-4(6)2-3-5/h2H,1H3
Numéro de registre CAS 674-82-8
EINECS 211-617-1
Structure moléculaire 674-82-8 diketene
Densité 0.959g/cm3
Point de fusion -7.5℃
Point d'ébullition 106.6°C at 760 mmHg
Indice de réfraction 1.39
Point d'éclair 16.8°C
Les symboles de danger  Xn:Harmful;
Codes des risques R10:;
R20:;
Description de sécurité S3:;
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