Detail of "429-41-4"

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CAS Number:
429-41-4
Name:
1-Butanaminium,N,N,N-tributyl-, fluoride (1:1)
Superlist Name:
Tetrabutylammonium fluoride
Molecular Structure:
Formula:
C₁₆H₃₆FN
Molecular Weight:
261.46
Deleted CAS:
73476-21-8
Synonyms:
1-Butanaminium,N,N,N-tributyl-, fluoride (9CI);Ammonium, tetrabutyl-, fluoride (8CI);Tetrabutylammonium fluoride (7CI);TBAF;Tetra-n-butylammonium fluoride;1-Butanaminium, N,N,N-tributyl-, fluoride;
EINECS:
207-057-2
Density:
0.953 g/mL at 25 °C
Melting Point:
62-63 °C
Flash Point:
-17 °C
Appearance:
clear light greenish to amber or brown solution
Hazard Symbols:
Xi, F, C
Risk Codes:
34-19-11-36/37/38
Safety:
26-27-36/37/39-45-33-29-16-36 Details
Transport Information:
UN 3261 8/PG 2

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Reference

Polymerization of organocyclosiloxanes in the presence of ionic fluorides: Polymerization of organocyclosiloxanes in the presence of ionic fluorides. Tartakovskaya, L. M.; Kopylov, V. M.; Zhdanov, A. A. (Inst. Elementoorg. Soedin. im. Nesmeyanova, Moscow, USSR). Vysokomol. Soedin., Ser. B, 26(3), 234-8 (Russian) 1984. CODEN: VYSBAI. ISSN: 0507-5483. DOCUMENT TYPE: Journal CA Section: 35 (Chemistry of Synthetic High Polymers) The activity of ionic fluorides in catalyzing polymn. of organocyclosiloxanes depends on the cation of the former and structure of the latter, decreasing in the sequence: Me4NF [373-68-2] u Bu4NF×2H2O [429-41-4] > CsF > KF and 2,4,6-trimethyl-2,4,6-triphenylcyclotrisiloxane (I) [546-45-2] > hexamethylcyclotrisiloxane [541-05-9] > octamethylcyclotetrasiloxane (II) [556-67-2]. The activity of the fluorides increased in the presence of DMF [68-12-2]. Kinetics of polymn. of II in the presence of Me4NF was 1st order in II and 2nd order in Me4NF. The 2nd order in the catalyst was attributed to formation of an intermediate complex of a hexacoordinated Si atom of II and 2 mols. of Me4NF. Chromatog. anal. of the polymn. products of I and II indicated the occurrence of depolymn. in the course of polymn. (e.g., formation of methylphenylcyclotetrasiloxanes in polymn. of I). The presence of residual KF and CsF in the polymers catalyzed their oxidative thermal degrdn. The absence of such an effect by Me4NF and Bu4NF was attributed to their decompn. at elevated temps.

An in vitro study for caries prevention using three organic fluoride agents: An in vitro study for caries prevention using three organic fluoride agents. Okudera, Mitsuru (2nd Dep. Prosthodontics, Kanagawa Dent. Coll., Kanagawa, Japan). Kanagawa Shigaku, 18(4), 375-93 (Japanese) 1984. CODEN: KSHGDM. DOCUMENT TYPE: Journal CA Section: 1 (Pharmacology) The penetration of F- into human dental enamel and dentin in vitro was enhanced in the presence of diphenyldifluorosilane [312-40-3]. However, the penetration was not significantly influenced by the other 2 agents tested, tetrabutylammonium fluoride [429-41-4] and tetraethylammonium fluoride [665-46-3]. Apparently, diphenyldifluorosilane is effective in preventing dental caries.

Detail of "429-41-4"

1-Butanaminium,N,N,N-tributyl-, fluoride (1:1)

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Reference