Detail of "19648-85-2"

CAS Number:
19648-85-2
Name:
Magnesium,bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-kO,kO')-, (T-4)- (9CI)
Molecular Structure:
Formula:
C10H2 F12 Mg O4
Molecular Weight:
474.44
Synonyms:
Magnesium,bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)- (8CI); Magnesium,bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O,O')-, (T-4)-;Bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)magnesium;Bis(hexafluoroacetylacetonato)magnesium; Magnesium(II)hexafluoroacetylacetonate
Density:
g/cm³
Boiling Point:
°Cat760mmHg
Flash Point:
°C
Hazard Symbols:
Risk Codes:
36/37/38
Safety:
Hazard Codes C
Risk Statements 36/37/38
Safety Statements 26-36/37/39
Hazard Note Corrosive
Details

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Magnesium fluoride layers and substrates bearing antireflective layers: Magnesium fluoride layers and substrates bearing antireflective layers. Joosten, Paul Hendrik; Popma, Theo Johan August; Nabben, Hendrikus Johannes Peter; Van Hal, Hendricus Albertus Maria; Haisma, Jan (N. V. Philips' Gloeilampenfabrieken , Neth.). Eur. Pat. Appl. EP 125721 A1 21 Nov 1984, 12 pp. DESIGNATED STATES: R: DE, FR, GB. (English). (European Patent Organization). CODEN: EPXXDW. CLASS: IC: C03C017-22. APPLICATION: EP 84-200644 7 May 1984. PRIORITY: NL 83-1652 10 May 1983. DOCUMENT TYPE: Patent CA Section: 57 (Ceramics) MgF2 layers, for use as anti-reflective layers, are deposited by disproportionation of F-contg. org. Mg compds. such as Mg trifluoroacetate [38482-84-7], Mg trifluoroacetylacetonate [53633-79-7], and Mg hexafluoroacetylacetonate [19648-85-2]. A soln. of the compd. is spin- or dip-coated on a substrate at room temp. and heated to 500° or alternatively atomized and sprayed on a substrate maintained at 600°. The antireflective layers are useful on display screens, optical elements, or as components of such as a dichroic mirror. Thus, Mg trifluoroacetate (10 wt.%) was dissolved in ethylene glycol monoethyl ether. A glass substrate was dipped in the soln. and heated at 500° for 1 min to give a MgF2 layer having n 1.39. The layer was resistant to polishing and reduced reflected light from 4%, for clean glass, to 0.5% for the coated glass.

Volatile metal complexes: Volatile metal complexes. Thompson, David Allen (Corning Glass Works , USA). Eur. Pat. Appl. EP 103446 A2 21 Mar 1984, 14 pp. DESIGNATED STATES: R: AT, BE, CH, DE, FR, GB, IT, LI, NL, SE. (English). (European Patent Organization). CODEN: EPXXDW. CLASS: IC: C07C049-92; C07C045-77. APPLICATION: EP 83-305118 5 Sep 1983. PRIORITY: US 82-418061 15 Sep 1982.In this article, certain chemicals are used. Some of their cas registry numbers are 19648-85-2 and 14949-70-3 DOCUMENT TYPE: Patent CA Section: 49 (Industrial Inorganic Chemicals) Highly volatile complexes of Mg and Zn with 1,1,1,5,5,5-hexafluoro-3,5-pentanedione (Hhfa) (I) are manufd. that are THF adducts. Thus, 4MgCO3.Mg(OH)2.nH2O suspended in Et2O was reacted with I and after the Et2O was evapd. a cryst. residue of Mg(hfa)2.1.5Et2O.H2O remained. The latter was treated with THF to form Mg(hfa)2.4THF. The Mg(hfa)2.4THF vaporized readily at 160° without decompg. .