Detail of "1519-45-5"

CAS Number:
1519-45-5
Name:
Phosphonium,1,1'-(1,2-ethanediyl)bis[1,1,1-triphenyl-, bromide (1:2)
Molecular Structure:
Formula:
C₃₈H₃₄Br₂P₂
Molecular Weight:
712.43
Synonyms:
Ethylenebis[triphenylphosphoniumbromide] (6CI,7CI);Phosphonium, 1,2-ethanediylbis[triphenyl-, dibromide (9CI);Phosphonium, ethylenebis[triphenyl-, dibromide (8CI);1,2-Ethanediylbis(triphenylphosphonium) dibromide;Dimethylenebistriphenylphosphonium bromide;NSC 64111;
EINECS:
216-182-1
Melting Point:
317-320 °C
Safety:
22-24/25 Details

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ETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)

Supplier:Narchem Corporation [ United States]

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ETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)

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Epoxy resins: Epoxy resins. Doorakian, George A.; Paul, Marsha A. (Dow Chemical Co., USA). U.S. US 4438254 A 20 Mar 1984, 10 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C08G059-62; C08G059-68. NCL: 528089000. APPLICATION: US 83-470107 28 Feb 1983.In this article, certain chemicals are used. Some of their cas registry numbers are 1519-45-5 and 83852-74-8 DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Vicinal epoxides are treated with bisphenols or thiophenols using org. phosphonium catalysts under anhyd. conditions at <175° to give more linear, less colored resins with little catalyst deactivation. Thus, bisphenol A and bisphenol A diglycidyl ether were mixed in a preset ratio to give a copolymer [25036-25-3] with 8.0% theor. epoxide. Then 0.3% ethyltriphenylphosphonium acetate-acetic acid complex [50602-83-0] was added, and the system was heated to 150°, at which time the temp. was allowed to exotherm to 170°. After 1-2 h the reaction was finished and the product contained 7.3% epoxide. The P content analyzed 69.4% as cation and 30.6% as PH3O. .