Detail of "345-92-6"

CAS Number:
345-92-6
Name:
4,4'-Difluorobenzophenone
Molecular Structure:
Formula:
C₁₃H₈F₂O
Molecular Weight:
218.20
Synonyms:
Bis(p-fluorophenyl) ketone;Bis(4-fluorophenyl) ketone;4-07-00-01374 (Beilstein Handbook Reference);Bis(4-fluorophenyl)methanone;p,p-Difluorobenzophenone;Methanone, bis(4-fluorophenyl)- (9CI);Benzophenone, 4,4-difluoro-;Di-p-fluorophenyl ketone;4,4-Difluorobenzophenone;Methanone, bis (4-fluorophenyl)-;4,4'-Difluro benzophenone;4,4'-Difluoroacetophenone;4,4'-difluoro-benzophenon;
EINECS:
206-466-3
Density:
1.239 g/cm³
Melting Point:
102-105 °C(lit.)
Boiling Point:
308.8 °C at 760 mmHg
Flash Point:
118.4 °C
Appearance:
white to slightly yellow crystalline powder
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-37/39-36 Details

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CAS No.345-92-6 4,4'-Difluorobenzophenone

4,4’-difluoro-benzophenon

Supplier:Zhejiang Medicines and Health Products Import and Export Co., Ltd.[ China (Mainland)]

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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. .

Photosensitive aromatic polyethers and photosensitive films containing them: Photosensitive aromatic polyethers and photosensitive films containing them. Kamata, Jun; Goto, Kenichi; Tajima, Takao; Tamai, Masashi (Mitsui Chemicals Inc., Japan). 342047-78-3 and 345-92-6 are also occured in this study. Jpn. Kokai Tokkyo Koho JP 2004035707 A2 5 Feb 2004, 10 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C08G065-34. ICS: G03F007-039; H01L021-027. APPLICATION: JP 2002-194404 3 Jul 2002. DOCUMENT TYPE: Patent CA Section: 38 (Plastics Fabrication and Uses) Section cross-reference(s): 76 Title polyethers have repeating units I [A = C1-10 alkylene, SO2, SO, S, O, C(CF3)2, CO; m = 0, 1; n = 1-3; R = H, org. group, iminosulfonate-contg. org. group; 31 of R = iminosulfonate-contg. org. group]. The films contg. the polyethers are useful for formation of surface-protective films and interlayer insulating films of semiconductor devices. Thus, an NMP soln. of a reaction product of hydrolyzed bisphenol A-5,5'-carbonylbis(2-fluorobenzenesulfonic acid Na salt) copolymer and N-hydroxysuccinimide was applied on a Cu foil, irradiated with UV light, and developed to give a relief pattern. .

Detail of "345-92-6"

4,4'-Difluorobenzophenone

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CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

CAS No.345-92-6 4,4'-Difluorobenzophenone

Reference