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Detail of "457-68-1"

  • MSDS Download
  • CAS Number:
  • 457-68-1
  • Name:

  • Benzene,1,1'-methylenebis[4-fluoro-

  • Superlist Name:
  • 4,4'-Difluorodiphenylmethane
  • Molecular Structure:
  • Formula:
  • C13H10F2
  • Molecular Weight:
  • 204.21
  • Synonyms:
  • Methane,bis(p-fluorophenyl)- (6CI);1,1'-Methylenebis[4-fluorobenzene];1-Fluoro-4-(4-fluorobenzyl)benzene;4,4'-Difluorodiphenylmethane;Bis(4-fluorophenyl)methane;Bis(p-fluorophenyl)methane;NSC 51803;
  • EINECS:
  • 207-274-2
  • Density:
  • 1.145 g/cm3
  • Melting Point:
  • 29-30 °C(lit.)
  • Boiling Point:
  • 260.1 °C at 760 mmHg
  • Flash Point:
  • 95.7 °C
  • Appearance:
  • clear colorless to yellowish liquid after melting
  • Hazard Symbols:
  • IrritantXi,HarmfulXn
  • Risk Codes:
  • 21/22
  • Safety:
  • 28A Details
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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

Molecular Formula:C8H7FO3 Molecular Weight:170.1378 EINECS:207-274-2 Density:1.423g/cm3 Boiling Point:320.3°C at 760 mmHg Flash Point:147.5°C Risk Codes:R21/22 Safety:S28A

Supplier:Shenyang Delishun Chemical Co., Ltd. [ China (Mainland)]

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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

Supplier:Shananxi Dongtaiyuan Chemical Technology Co.,Ltd. [ China (Mainland)]

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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

Supplier:Shijiazhuang JuSha Imp. & Exp. Co., Ltd [ China (Mainland)]

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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

4,4'-Difluorodiphenylmethane

Supplier:shanghai yinrui chemical technology co,.ltd [ China (Mainland)]

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CAS No.457-68-1 4,4'-Difluorodiphenylmethane

Supplier:Honeywell Fine Chemicals [ United States]

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Address:101 Columbia Road Mailstop - M6/LM Morristown, NJ 07962

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Reference

4,4'-Difluorobenzophenone
4,4'-Difluorobenzophenone. Fukuoka, Shinsuke; Matsuda, Hideki (Asahi Chemical Industry Co., Ltd.In this study， 345-92-6 and 457-68-1 are also used., Japan). Jpn. Kokai Tokkyo Koho JP 61172845 A2 4 Aug 1986 Showa, 3 pp. (Japan) CODEN: JKXXAF. CLASS: ICM: C07C049-813. ICS: C07C045-28. APPLICATION: JP 85-13580 29 Jan 1985. DOCUMENT TYPE: Patent CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s): 1, 5, 35 The title compd. (I), useful as a material for heat-resistant polymers, medicines, and agrochems., was prepd. by treating 4,4'-difluorodiphenylmethane (II) with Ce(IV) compds. Thus, treating II with (NH4)2Ce(NO3)6 in aq. HNO3 at 85-95° under stirring gave 90% I with 96% conversion and 94% selectivity. .
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