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123334-16-7

123334-16-7 structure
123334-16-7 structure

Name Tetrahydroxy-1,4-benzoquinone Hydrate
Synonyms 2,3,5,6-Tetrahydroxycyclohexa-2,5-diene-1,4-dione hydrate
Tetrahydroxyquinone Hydrate
Tetroquinone Hydrate
Tetrahydroxy-1,4-benzoquinone 
MFCD00149070
EINECS 206-275-5
Density 2.609g/cm3
Boiling Point 370.6ºC at 760mmHg
Melting Point >300ºC(lit.)
Molecular Formula C6H4O6
Molecular Weight 172.09200
Flash Point 192.1ºC
Exact Mass 172.00100
PSA 115.06000
Vapour Pressure 5.3E-07mmHg at 25°C
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26
RIDADR NONH for all modes of transport
WGK Germany 3