Detail of "706-79-6"

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CAS Number:
706-79-6
Name:
Cyclopentene,1,2-dichloro-3,3,4,4,5,5-hexafluoro-
Molecular Structure:
Formula:
C5Cl2 F6
Molecular Weight:
244.95
Synonyms:
Cyclopentene,1,2-dichlorohexafluoro- (6CI,7CI,8CI);1,2-Dichloro-3,3,4,4,5,5-hexafluoro-1-cyclopentene; 1,2-Dichlorohexafluorocyclopent-1-ene;1,2-Dichlorohexafluorocyclopentene; 1,2-Dichloroperfluorocyclopentene; NSC41877
Melting Point:
-105.8 °C
Boiling Point:
90 °C(lit.)
Safety:
Poison by ingestion. Moderately toxic by inhalation. When heated to decomposition it emits toxic vapors of F⁻ and Cl⁻. Details

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Preparation of perchloroalkenes from perchlorinated conjugated dienes: Preparation of perchloroalkenes from perchlorinated conjugated dienes. Sekya, Akira; Yamada, Toshiro; Watanabe, Kazunori (Kogyo Gijutsuin; Nippon Zeon Co, Japan). Jpn. 706-79-6 and 706-78-5 are also occured in this study. Kokai Tokkyo Koho JP 08333285 A2 17 Dec 1996 Heisei, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C07C021-04. ICS: B01J023-18; B01J027-08; C07C017-04; C07B061-00. APPLICATION: JP 1995-94434 28 Mar 1995. DOCUMENT TYPE: Patent CA Section: 24 (Alicyclic Compounds) Section cross-reference(s): 23 Perchloroalkenes, useful as intermediates for chlorofluorocarbon substitutes, are prepd. by treatment of perchlorinated conjugated dienes with Cl in the presence of Sb catalysts. The products are successively fluorinated without sepg. the catalysts. Hexachlorocyclopentadiene was treated with SbCl3 under Cl at 50° for 90 min to give 98% octachlorocyclopentene. .