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问题:间三联苯的物化性质
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提问:qq43474629
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时间:2005-10-18 23:59:28  编辑    加入/取消收藏    订制/取消短消息    举报该贴    

有谁知道间三联苯的物化性质
回复人:pccs, (知之为知之, 不知Google之...) 时间:2005-10-19 11:50:24   编辑 1楼
这个?

1,1':3':1''-Terphenyl, 9CI
Synonym(s): m-Terphenyl, 8CI. 11,12:32,13-Terphenyl. 1,3-Diphenylbenzene. 3-

CAS Registry Number: 92-06-8
Related CAS Registry Numbers(s): 26140-60-3

Molecular Formula: C18H14
Molecular Weight: 230.309
Accurate Mass: 230.10955
Percentage Composition: C 93.87%; H 6.13%
Physical Description: Needles
Melting Point: Mp 89
Boiling Point: Bp 363
Hazard Toxicity: Fl. p. 191 (oc). Eye, skin, mucous membrane irritant. LD50 (rat, orl) 2400 mg/kg. OES: short-term 0.5 ppm
RTECS Accession Number: WZ6470000

Aldrich: T300-9
Fluka:
References:
Aldrich Library of 13C and 1H FT NMR Spectra, 1992, 2, 29B, (nmr)
Aldrich Library of FT-IR Spectra, 1st edn., 1985, 1, 948C, (ir)
Aldrich Library of FT-IR Spectra: Vapor Phase, 1989, 3, 872A, (ir)
France, H. et al., J.C.S., 1939, 1290, (synth)
Stewart, J.E. et al., J. Res. Natl. Bur. Stand. (U.S.), 1958, 60, 125, (Raman, ir)
Anderson, D.M.W. et al., J.C.S., 1959, 3992, (synth)
Gallegos, E.J., J. Phys. Chem., 1967, 71, 1647, (ms)
Milazzo, G. et al., J. Chim. Phys. Phys.-Chim. Biol., 1968, 65, 1171, (uv)
Otto, P. et al., J. Labelled Compd., 1968, 4, 205, (pmr)
Kahovec, J. et al., Chem. Ind. (London), 1969, 919, (synth)
Hawton, J.J. et al., J. Chromatogr. Sci., 1970, 8, 675, (chromatog)
Kirk-Othmer Encycl. Chem. Technol., 3rd edn., Wiley, 1978, 7, 782, (synth, props, use)
Roth, K. et al., Org. Magn. Reson., 1980, 14, 247, (pmr)
Tius, M.A. et al., Synthesis, 1983, 467, (synth)
Lewis, R.J., Sax's Dangerous Properties of Industrial Materials, 8th edn., Van Nostrand Reinhold, 1992, TBC620
Luxon, S.G., Hazards in the Chemical Laboratory, 5th edn., Royal Society of Chemistry, 1992, 1178
Chemical Hazards of the Workplace, 2nd edn., (eds. Proctor, N.H. et al), J.B. Lippincott, 1988, 459




回复人:qiangpeng,★★★★★ (化学百科) 时间:2005-10-19 14:35:19   编辑 2楼
间三联苯及其衍生物外形呈角形结构具有一定的刚性它是间聚苯撑[Poly(m-phenylenes)]
的最小结构单元当间聚苯撑的聚合度n7 呈螺旋形属柔性大分子溶解性高于棒状结构的
聚对苯撑[Poly(p-phenylenes)] 在间聚苯撑分子链中存在顺-反和反-反两种构象相邻苯环间的
扭曲角度介于34 53°之间共轭程度低于聚对苯撑其紫外光谱的最大吸收波长(lmax)在
248±1nm 附近波长不随苯环数增加而增加吸收强度则随苯环数增加而增大[1~4] 间三联苯的
5'位经苯基取代后得到C3v 对称的1,3,5-间三苯基苯分子呈三叶形在气相中苯环平面间的二
面角为46±5° 在结晶状态下苯环平面间的二面角分别为+34° -27°和+24°[


回复人:qq43474629, (xbl6877@163.com) 时间:2005-10-20 11:00:35   编辑 3楼
thanks


得分人:pccs-4,qiangpeng-1,


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