Tween-20

Tween-20 (Polysorbates 20) is used in the formulation of biotherapeutic products for both preventing surface adsorption and as a stabilizer against protein aggregation.

Product information

CAS Number: 9005-64-5

Molecular Weight: 522.67

Formula: C26H50O10

Synonym:

Polysorbate 20

CCRIS699

CCRIS-699

CCRIS 699

Chemical Name: 2-[2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy]ethyl dodecanoate

Smiles: CCCCCCCCCCCC(=O)OCCOCC(OCCO)C1OCC(OCCO)C1OCCO

InChiKey: HMFKFHLTUCJZJO-UHFFFAOYSA-N

InChi: 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

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

References:

1. Bruce A Kerwin. J Pharm Sci. 2008 Aug;97(8):2924-35.

Products are for research use only. Not for human use.