产品名称
TWEEN ® 20, Low-peroxide; Low-carbonyls
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
SMILES string
CCCCCCCCCCCC(=O)OCCOCC(C1C(C(CO1)OCCO)OCCO)OCCO
InChI key
HMFKFHLTUCJZJO-UHFFFAOYSA-N
description
non-ionic
form
viscous liquid
mol wt
~1228
impurities
≤0.5 μmol/g Peroxides
≤1.0 μmol/g Carbonyls
≤3.0% water
refractive index
n20/D 1.468 (lit.)
CMC
0.06 mM (20-25°C)
transition temp
cloud point 76 °C
density
1.095 g/mL at 25 °C (lit.)
1.1 g/cm3 at 25 °C (lit.)
HLB
16.7
storage temp.
−20°C
Quality Level
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Application
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
General description
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。
Other Notes
无防腐剂
Legal Information
TWEEN is a registered trademark of Croda International PLC
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
527.0 °F - Pensky-Martens closed cup
flash_point_c
275 °C - Pensky-Martens closed cup
ppe
Eyeshields, Gloves
Martindale: The Extra Pharmacopoeia, 1030-1030 null
The role of transforming growth factor beta isoforms in tendon-to-bone healing
Kim H M, et al.
Connective tissue research, 52(2), 87-98 (2011)
Detergents: an overview.
J M Neugebauer
Methods in enzymology, 182, 239-253 (1990-01-01)
M Hultdin et al.
Nucleic acids research, 26(16), 3651-3656 (1998-08-01)
Determination of telomere length is traditionally performed by Southern blotting and densitometry, giving a mean telomere restriction fragment (TRF) value for the total cell population studied. Fluorescence in situ hybridization (FISH) of telomere repeats has been used to calculate telomere
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)
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