cas:
159-66-0
precise quality: 316.12500
molecular formula: c25h16 logp: 6.03010
molecular weight: 316.39500 psa: 0.00000
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the basic information
chinese name: 9, 9 '- screw 2 + chinese alias: 9, 9' - screw pairs of fluorene;9, 9 '- screw 2 + l;9, 9 '- screw 2 [h - fluorene 9];english name: 9, 9 - spirobi [9 h - fluorene] english alias: 9, 9 '- spirobi [9 h - fluorene];9, 9 '- spirobifluorene;9, 9 '- spirobifluorene;9, 9 '- spirobi [fluorene];9, 9 '- spirobi [fluorene];cas no. : 159-66-0 formula: c25h16 molecular weight: 316.39500 the precise quality: logp 316.12500:6.03010
physical and chemical properties
appearance and properties: white crystal density: 1.28 g/cm3 melting point: 202 ° c, the boiling point: dhs c at 760 mmhg flash point 474.9:236.8 dhs c refractive index: 1.757 the vapor pressure: 9.93 e-09 mmhg at 25 ° c
safety information
customs code: 32041900 wgk germany: 3 dangerous category code: r60: may impair fertility. the r40: limited evidence of a carcinogenic effect. the safety instructions: s22 - s24: no. 25 rtecs sg1633000 dangerous mark: t, xn