CAS No: 106-51-4, Chemical Name: 1,4-Benzoquinone
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106-51-4 1,4-Benzoquinone

product Name 1,4-Benzoquinone
Synonyms Quinone; p-Benzoquinone; Benzoquinone; p-Benzoquinone; P-quinone; PBQ; cyclohexa-2,5-diene-1,4-dione; cyclohexa-3,5-diene-1,2-dione
Molecular Formula C6H4O2
Molecular Weight 108.0948
InChI InChI=1/C6H4O2/c7-5-3-1-2-4-6(5)8/h1-4H
CAS Registry Number 106-51-4
EINECS 203-405-2
Molecular Structure 106-51-4 1,4-Benzoquinone
Density 1.256g/cm3
Melting point 112-116℃
Boiling point 213.3°C at 760 mmHg
Refractive index 1.543
Flash point 76.4°C
Water solubility 10 g/L (25℃)
Vapour Pressur 0.166mmHg at 25°C
Hazard Symbols  T:Toxic;
 N:Dangerous for the environment;
Risk Codes R23/25:;
R36/37/38:;
R50:;
Safety Description S26:;
S28A:;
S45:;
S61:;