2,2 ',4,4'-tetrahydroxybenzophenone, 131-55-5

Chinese name:2,2 ',4,4'-tetrahydroxybenzophenone
english name:2,2',4,4'-Tetrehydroxybenzophenone
chinese alias:2,2 ',4,4'-tetrahydroxybenzophenone; 2,2 ',4,4'-tetrahydroxybenzophenone
english alias: Seesorb 106; 70A-196; BENZOPHENONE-2; 2,2',4,4'-Tetrahydroxybenzophe; uvinuld-50; 2,2',4,4'-tetrahyroxybenzophenone; 2,4,2',4'-tetrahydroxybenzophenone; TETRAHYDROXYBENZOPHENONE; Methanone, bis(2,4-dihydroxyphenyl)-; Sumisorb 150; Bis(2,4-dihydroxyphenyl)methanone; Uvinol D-50; 2,2',4,4'-tetrahydroxy-benzophenone;
CAS No:131-55-5
chemical formula: C13H10O5
molecular weight:246.215
density: 1.526g/cm3
Melting point: 198-200?°C(lit.)
Boiling point: 531.2 ℃ at760mmHg
Flash Point: 289.2 ℃
Vapor pressure: 6.69 E-12mmHgat25 °C
Refractive index: 1.718
Stability: Stableatroomtemperatureinclosedcontainersundernormalstorageandhandlingconditions.
Packing grade: II;III
Hazard Category Code: R22;R36/37/38
Dangerous Goods Signs: Xn
Safety instructions: S26-S36-S37/39
Storage conditions: ventilation and low temperature drying

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