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LC786 p-Benzoquinone
for synthesis


Order number Packaging Quantity Price €
AC27786 Glass bottle 100 g 12.87
AC27786 Glass bottle 1 kg 65.25
AC27786 Plastic drum 50 kg inquire


Product information
Synonyms p-Quinone, 1,4-Benzoquinone, 1,4-Cyclohexadiene-3,6-dione
Hill Formula C6H4O2
HS Code 2914 69 90
EC number 203-405-2
Molar mass 108.09 g/mol
EC index number 606-013-00-3
CAS number 106-51-4


Chemical and physical data
Ignition temperature 560 °C
Solubility 10 g/l (25 °C)
Melting point 110 – 113 °C
Molar mass 108.09 g/mol
Density 1.32 g/cm3 (20 °C)
Bulk density 700 kg/m3
pH value 4 (1 g/l, H2O, 20 °C)
Boiling point ca.180 °C (sublimed)
Explosion limit 0.12 hPa (20 °C)
Flash point 77 °C


Safety information
R Phrase R 23/25-36/37/38-50
Toxic by inhalation and if swallowed.Irritating to eyes, respiratory system and skin.Very toxic to aquatic organisms.
S Phrase S 26-28-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger toxic, irritant, dangerous for the environment
Hazard Symbol Toxic
Dangerous for the environment
RTECS DK2625000
Storage class 6.1A Combustible substances, toxic
WGK WGK 3 highly water endangering


Transport information
Declaration (transport by sea) IMDG-Code UN 2587 BENZOQUINONE, 6.1, II
Declaration (transport by air) IATA-DGR UN 2587 BENZOQUINONE, 6.1, II


Toxicological data
LD 50 oral LD50 rat 130 mg/kg


Assay (HPLC, area%) ≥ 98 %
Melting range
– lower value
≥ 110 °C
– upper value ≤ 113 °C
Identity (IR) passes test