Detail of "396-64-5"

CAS Number:
396-64-5
Name:
1,1'-Biphenyl,3,3'-difluoro-
Molecular Structure:
Formula:
C₁₂H₈F₂
Molecular Weight:
190.19
Synonyms:
Biphenyl,3,3'-difluoro- (6CI,8CI);3,3'-Difluoro-1,1'-biphenyl;3,3'-Difluorobiphenyl;3,3'-Difluorodiphenyl;m,m'-Difluorobiphenyl;
EINECS:
206-905-9
Density:
1.165 g/cm³
Melting Point:
7-8 °C
Boiling Point:
262.2 °C at 760 mmHg
Flash Point:
92.7 °C
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36 Details
Transport Information:
UN 3151

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Liquid-crystal polyesters having fluorine-substituted biphenylene structures: Liquid-crystal polyesters having fluorine-substituted biphenylene structures. Masuda, Tooru; Sugyama, Kazuo; Tanitsu, Tadao; Matsuishi, Kazuya ( Honshu Chemical Ind, Japan). Jpn. Kokai Tokkyo Koho JP 08302001 A2 19 Nov 1996 Heisei, 10 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C08G063-682. ICS: C08G063-16; C08G063-676. APPLICATION: JP 1995-108869 2 May 1995. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Section cross-reference(s): 75 The substantially linear title polymers with intrinsic viscosity (h) 0.1-2 dL/g comprise OCOR2CO2R1OAOR1 units (A = polyfluoro biphenylene with 32 F atoms on ring; R1, R2 = C2-10 alkylene). Thus, 3.00 g 3,3-difluorobis(6-hydroxyhexyloxy)biphenyl, prepd. from 3,3'-difluorobiphenyl and 6-chloro-1-hexanol, was polymd. with 0.84 g succinic acid under refluxing for 56 h in DCE to give a polymer with h 0.In this experiment, several chemicals are used like 185902-17-4 and 396-64-5 43 dL/g and phase-transition temp. 101° (from K to I) and 69° (from I to K). .