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Merck

8.22184

TWEEN® 20

for synthesis

동의어(들):

Montanox 20, Polyoxyethylene (20) sorbitan monolaurate, Polysorbate 20, Polyethylene glycol sorbitan monolaurate, Polyoxyethylenesorbitan monolaurate

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제품정보 (DICE 배송 시 비용 별도)

CAS 번호:
9005-64-5
NACRES:
NA.22
EC Index Number:
500-018-3
UNSPSC Code:
12352104
MDL number:
MFCD00165986

주요 문서

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제품 이름

TWEEN® 20, for synthesis

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

vapor pressure

<1.4 hPa ( 20 °C)

form

liquid

potency

38900 mg/kg LD50, oral (Rat)

mol wt

~1228

refractive index

n20/D 1.468 (lit.)

pH

6-8 (20 °C, 50 g/L in H2O)

transition temp

flash point 275 °C

density

1.095 g/mL at 25 °C (lit.)

storage temp.

2-30°C

Quality Level

200

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Analysis Note

Density (d 20 °C/ 4 °C): 1.095 - 1.105
Hydroxyl value: 96 - 108
Saponification value: 40 - 50
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Application

Non-ionic detergent
Tween®-20 can be used as a structure-directing agent in the preparation of mesoporous oxide films because of its ability to promote textural properties of the films such as controllable crystallinity, film morphology, tailor-designed pore structure, high BET surface area, and controlled film thickness. It is also used in the synthesis of AuNPs/TWEEN/GO composites, where Tween®-20 acts as a reducing and immobilizing agent for AuNPs (Au nanoparticles) as well as a stabilizing agent for GO (graphene oxide).
Tween®-20 can also be used as an emulsifying, solubilizing, and wetting agent in a variety of liquid formulations.

General description

Tween®-20 is a polysorbate-based non-ionic surfactant. It is made up of three chemical units:
  • aliphatic ester chains that hinder biomolecules from nonspecific interactions
  • aliphatic chain that can be non-covalently adsorbed on a hydrophobic surface
  • hydrophilic terminal hydroxyl groups, which can be chemically modified for potential applications.

Legal Information

TWEEN is a registered trademark of Croda International PLC

저장 등급

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

시험 성적서(COA)

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문서 라이브러리 방문

Relationships between the hydrophilic-lipophilic balance values of pharmaceutical excipients and their multidrug resistance modulating effect in Caco-2 cells and rat intestines
Lo Yu-li
Journal of Controlled Release : Official Journal of the Controlled Release Society, 90(1), 37-48 (2003)
Synthesis, characterization and electrochemical properties of mesoporous zirconia nanomaterials prepared by self-assembling sol-gel method with Tween 20 as a template
Chen Y, et al.
Chemical Engineering Journal, 170(2-3), 518-524 (2011)
Mass transport phenomena in oil-in-water emulsions containing surfactant micelles: Ostwald ripening
Weiss J, et al.
Langmuir, 16(17), 6833-6838 (2000)
Development and evaluation of solid self nano-emulsifying formulation of rosuvastatin calcium for improved bioavailability
Kulkarni NS, et al.
Tropical Journal of Pharmaceutical Research, 14(4), 575-582 (2015)
Hierarchical macro-mesoporous structures in the system TiO2-Al2O3, obtained by hydrothermal synthesis using Tween-20 as a directing agent
Garcia-Benjume ML, et al.
Materials Characterization, 60(12), 1482-1488 (2009)
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국제 무역 품목 번호

SKUGTIN
8.22184.250004022536685243
8.22184.050004022536485645
8.22184.005004027269250430
8.22184.100004022536485652

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