235989
Brij® L4聚氧乙烯月桂醚
average Mn ~362
别名:
四聚乙二醇单月桂醚, 聚氧乙烯 (4) 月桂醚
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关于此项目
线性分子式:
(C20H42O5)n
化学文摘社编号:
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12161900
MDL number:
产品名称
Brij® L4聚氧乙烯月桂醚, average Mn ~362
InChI
1S/C20H42O5/c1-2-3-4-5-6-7-8-9-10-11-13-22-15-17-24-19-20-25-18-16-23-14-12-21/h21H,2-20H2,1H3
SMILES string
CCCCCCCCCCCCOCCOCCOCCOCCO
InChI key
WPMWEFXCIYCJSA-UHFFFAOYSA-N
description
non-ionic
form
solid or liquid
mol wt
average Mn ~362
impurities
≤1% Water
refractive index
n20/D 1.451 (lit.)
mp
48 °C
solubility
water: insoluble
density
0.95 g/mL at 25 °C (lit.)
HLB
9
Quality Level
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Application
Brij® L4 已被用于：
- 作为表面活性剂采用微乳液技术合成氧化铜（I）（Cu2O） 球形纳米颗粒
- 作为非离子表面活性剂用于制备反胶束以合成Pt3Co 合金纳米颗粒
- 作为表面活性剂用于改善疏水材料界面偶联的效率并生成水凝胶
Biochem/physiol Actions
Brij® L4 具有两亲性。Brij L4 含有疏水和亲水区域，可以形成胶束并使疏水药物分散进入胶束核中。这相应地改善了药物的溶解性。Brij L4也对乳腺癌耐药蛋白（BCRP）介导的药物外排有强烈的抑制作用。与其它常用表面活性剂相比，它对Taq吸附的抑制作用更强。Brij L4 有助于在标准Taq浓度下进行皮升反应体积的液滴聚合酶链式反应（PCR）。
General description
Brij® L4 是一种非离子表面活性剂。它含有一个连接氧乙烯基头基的烷基（C12）尾。
Legal Information
Brij is a registered trademark of Croda International PLC
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2
存储类别
10 - Combustible liquids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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