质量水平
描述
non-ionic
表单
viscous liquid
分子量
~1228
杂质
≤0.5 μmol/g Peroxides
≤1.0 μmol/g Carbonyls
≤3.0% water
折射率
n20/D 1.468 (lit.)
CMC
0.06 mM (20-25°C)
转变温度
cloud point 76 °C
密度
1.095 g/mL at 25 °C (lit.)
1.1 g/cm3 at 25 °C (lit.)
HLB
16.7
储存温度
−20°C
SMILES字符串
CCCCCCCCCCCC(=O)OCCOCC(C1C(C(CO1)OCCO)OCCO)OCCO
InChI
1S/C26H50O10/c1-2-3-4-5-6-7-8-9-10-11-24(30)34-19-18-31-20-22(32-15-12-27)26-25(35-17-14-29)23(21-36-26)33-16-13-28/h22-23,25-29H,2-21H2,1H3
InChI key
HMFKFHLTUCJZJO-UHFFFAOYSA-N
正在寻找类似产品? 访问 产品对比指南
一般描述
吐温®20 是属于聚山梨酯家族的聚氧乙烯山梨醇酯。它是一种非离子型除垢剂,分子量为1,225 道尔顿,包括 20 个环氧乙烷单元,1 个山梨糖醇和1个月桂酸(主要脂肪酸)。环氧乙烷亚基负责表面活性剂的亲水性,而烃链提供疏水性环境。山梨糖醇形成环氧乙烷聚合物所连接的主链。
应用
吐温 20 广泛用于多种生化应用,已被用于:
- 作为制备稳定的水包油状乳剂的乳化剂
- 膜的预提取,以去除外周蛋白(以2%用于膜结合蛋白的提取)
- 在基于膜的免疫检测中的封闭剂(通常0.05%浓度)
- 裂解哺乳动物细胞(0.005 至 0.5%浓度)
非离子洗涤剂
其他说明
无防腐剂
法律信息
TWEEN is a registered trademark of Croda International PLC
储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
527.0 °F - Pensky-Martens closed cup
闪点(°C)
275 °C - Pensky-Martens closed cup
个人防护装备
Eyeshields, Gloves
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Martindale: The Extra Pharmacopoeia, 1030-1030 null
Polysorbates 20 and 80 used in the formulation of protein biotherapeutics: structure and degradation pathways.
Kerwin BA
Journal of Pharmaceutical Sciences, 97(8), 2924-2935 (2008)
Detergents: an overview.
J M Neugebauer
Methods in enzymology, 182, 239-253 (1990-01-01)
Yun Xia et al.
Cell, 175(4), 1059-1073 (2018-10-03)
Motivated by the clinical observation that interruption of the mevalonate pathway stimulates immune responses, we hypothesized that this pathway may function as a druggable target for vaccine adjuvant discovery. We found that lipophilic statin drugs and rationally designed bisphosphonates that
Sang Jun Han et al.
Genesis (New York, N.Y. : 2000), 47(12), 815-824 (2009-11-03)
Estrogen receptor alpha (ERalpha), plays essential roles in the female reproduction. To investigate the dynamic changes in ERalpha activity in vivo, we have developed an ER Alpha Activity Indicator (ERAAI) mouse. This ERAAI mouse harbors both a modified ERalpha Bacterial
我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持