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Melting point: 122 to 125 °C (252 to 257 °F; 395 to 398 K) ... cis-stilbene yields a racemic mixture of the two enantiomers of 1,2-dibromo-1,2-diphenylethane in a ...
meso-Stilbene dibromide is an organic compound with a formula of (C 6 H 5 CH(Br)) 2. [3] It is one of three isomeric stilbene dibromides, the others being the pair of enantiomers . All are white solids.
The known empirical LD50 values for 1,2-dibromoethane are 140 mg kg −1 (oral, rat), and 300.0 mg kg −1 (dermal, rabbit). [ 5 ] 1,2-Dibromoethane is a known carcinogen , with pre-1977 exposure levels ranking it as the most carcinogenic substance on the HERP Index.
1,2-Diphenylethane Dibenzil Dibenzyl Dihydrostilbene sym-Diphenylethane. Identifiers CAS Number. ... Crystalline solid [1] Density: 0.9782 g/cm 3 [1] Melting point:
In one preparation for this compound, benzil is condensed with hydrazine to give the bis, which is oxidized with mercury(II) oxide. [2] Alternatively stilbene is brominated, and the resulting dibromodiphenylethane is subjected to dehydrohalogenation . [ 3 ]
1,2-Dibromo-4-hydroxybenzene 3,5-Dibromophenol, 1,3-Dibromo- ... Melting point: 68–69 °C [1] 40 °C [1] 73–74 °C [1] 56–57 °C [1] 94 °C [1] 81 °C [1] pKa ...
Benzil (i.e. Bz 2, systematically known as 1,2-diphenylethane-1,2-dione) is the organic compound with the formula (C 6 H 5 CO) 2, generally abbreviated (PhCO) 2. This yellow solid is one of the most common diketones. Its main use is as a photoinitiator in polymer chemistry. [4]
Dibromoethane can refer to either of two isomeric organobromides with the molecular formula C 2 H 4 Br 2: 1,1-Dibromoethane (ethylidene dibromide) 1,2-Dibromoethane (ethylene dibromide)