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Benzoquinone

Benzoquinone / CAS : 106-51-4

Appearance Yellow to green crystalline solid UN 2587
HS 29146900 DG Class 6.1
Synonyms 1,4-Benzoquinone; 2,5-Cyclohexadiene-1,4-Dione; P-Benozquinone; Thiophene,5-Dibromo; 2,5-Dibromo Thiophene; Cyclohexadiene-1,4-Dione; Para-Benzoquinone; P-Benzoquinone; 2,5-Dibromothiphene; 2,5-Bromothiophene; 1,3-Dibromothiophene; P-Benzoquinone,Quinone; 2,5-Dibromothiophen; 1,4-Benzo-Quinone; Thiophene,2,5-Dibromo; 1,4-Benzochinon; 1,4-Benzoquine; 1,4-Cyclohexadiene Dioxide; 1,4-Cyclohexadienedione; P-Benzochinon; Pbq2; P-Chinon; Quinone(P-Benzoquinone)
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Properties

Summary

Formula
C6H4O2
Molecular Mass
108.09500
Exact Mass
108.02100
PSA
34.14000
Logp
0.25060
IUPAC
cyclohexa-2,5-diene-1,4-dione
SMILES
C1=CC(=O)C=CC1=O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Agrochemicals > Pesticide Intermediates

Chemical and Physical Properties

Melting Point
113-115 °C(lit.)
Density
1.31 g/cm3
Boiling Point
293 °C
Flash Point
38 °C
Appearance
Yellow to green crystalline solid
Acidity and Basicity
acidness

Export information

HS Code
29146900
Export Rebate
13%
UN No.
2587
DG-Class
6.1
Risk Code
R23/25-36/37/38-50-20/21/22-11
Safety Label
T,N,Xn,F

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