四辛基溴化铵

四辛基溴化铵
	IUPAC名; N,N,N-Tri(octyl)octan-1-aminium bromide
识别
CAS号	14866-33-2
PubChem	2734117
ChemSpider	2015873
SMILES	CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC.[Br-];
InChI	1/C32H68N.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1;
InChIKey	QBVXKDJEZKEASM-REWHXWOFAV
EINECS	238-936-9
性质
化学式	C32H68BrN
摩尔质量	546.79 g·mol⁻¹
外观	晶体
熔点	95 - 98 °C
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

四辛基溴化铵是一种季铵盐，化学式为[CH₃(CH₂)₇]₄NBr，它可用作相转移催化剂。^[2]

合成与反应

四辛基溴化铵可以三辛胺（英语：Trioctylamine）和1-溴辛烷（德语：1-Bromoctan）反应制得。^[3]

它和溴金酸钾（俄语：Тетрабромоаурат(III) калия）一水合物在乙醇中反应，可以得到四辛基溴金酸铵。^[4]

^ Shim, Jae-Jin; Kim, Duck; Ra, Choon Sup. Carboxylation of styrene oxide catalyzed by quaternary onium salts under solvent-free conditions. Bulletin of the Korean Chemical Society, 2006. 27 (5). 744-746. doi:10.5012/bkcs.2006.27.5.744
^ Dario Landini; Angelamaria Maia; Alessandro Rampoldi. Stability of quaternary onium salts under phase-transfer conditions in the presence of aqueous alkaline solutions. J. Org. Chem. 1986, 51, 16, 3187–3191. doi:10.1021/jo00366a022.
^ Garcia-Gutierrez, Pelayo; et al. Environmental sustainability of cellulose-supported solid ionic liquids for CO2 capture. Green Chemistry (2019), 21(15), 4100-4114. doi:10.1039/C9GC00732F.
^ Oksana Zaluzhna; et al. Inverse-Micelle-Encapsulated Water-Enabled Bond Breaking of Dialkyl Diselenide/Disulfide: A Critical Step for Synthesizing High-Quality Gold Nanoparticles. J. Am. Chem. Soc. 2012, 134, 43, 17991–17996. doi:10.1021/ja3068758.