Quality Level
assay
98%
form
liquid
reaction suitability
core: crown ether
refractive index
n20/D 1.463 (lit.)
bp
61-70 °C/0.5 mmHg (lit.)
mp
16 °C (lit.)
density
1.089 g/mL at 25 °C (lit.)
functional group
ether
SMILES string
C1COCCOCCOCCO1
InChI
1S/C8H16O4/c1-2-10-5-6-12-8-7-11-4-3-9-1/h1-8H2
InChI key
XQQZRZQVBFHBHL-UHFFFAOYSA-N
General description
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。
Application
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
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Inhalation
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
商品
Crown ethers and cryptands, complexing agents able to selectively bind metal cations, are vital for diverse synthesis and analytical applications.
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
Preparation of poly (diethylsiloxane) with the NaOH/12-crown-4 catalyst
Hedden RC and Cohen C
Polymer, 41(18), 6975-6979 (2000)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 194905-1G | 04061838096395 |
| 194905-5G | 04061838761378 |
