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化驗
98%
形狀
liquid
折射率
n20/D 1.463 (lit.)
bp
61-70 °C/0.5 mmHg (lit.)
mp
16 °C (lit.)
密度
1.089 g/mL at 25 °C (lit.)
SMILES 字串
C1COCCOCCOCCO1
InChI
1S/C8H16O4/c1-2-10-5-6-12-8-7-11-4-3-9-1/h1-8H2
InChI 密鑰
XQQZRZQVBFHBHL-UHFFFAOYSA-N
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一般說明
12-冠醚-4是一种冠醚，通常用作配位化学中的配体。由于对锂阳离子具有很强的特异性螯合能力，它还是一种锂离子载体。
應用
12-冠醚-4可用作：
- 通过阴离子开环聚合反应以六乙基环三硅氧烷单体和NaOH催化剂合成聚（二乙基硅氧烷） (PDES)
- 作为添加剂用于通过芳基溴与二芳基甲烷之间的钯催化交叉偶联反应制备三芳基甲烷衍生物
- 有机合成中的相转移催化剂
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 1 Inhalation
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
235.4 °F - closed cup
閃點（°C）
113 °C - closed cup
個人防護裝備
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Multilayered ion-imprinted membranes with high selectivity towards Li+ based on the synergistic effect of 12-crown-4 and polyether sulfone
Lu J, et al.
Applied Surface Science, 427, 931-941 (2018)
Márkó Grabarics et al.
The Analyst, 145(19), 6313-6333 (2020-07-28)
In the past decade, ion mobility spectrometry (IMS) in combination with mass spectrometry (IM-MS) became a widely employed technique for the separation and structural characterization of ionic species in the gas phase. Similarly to chromatography, where studies on the mechanism
Additive effects on palladium-catalyzed deprotonative-cross-coupling processes (DCCP) of sp 3 C-H bonds in diarylmethanes
Bellomo A, et al.
Chemical Science, 4(2), 849-857 (2013)
1, 4, 7, 10-Tetraoxacyclododecane (12-crown-4) as neutral carrier for lithium ion in lithium ion selective electrode
Gadzekpo VPY and Christian GD
Analytical Letters, 16(17-18), 1371-1380 (1983)
Free inorganic, organic, and organometallic ions by treatment of their lithium salts with 12-crown-4
Power PP, et al.
Accounts of Chemical Research, 21(4), 147-153 (1988)
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