A5757

Antifoam B Emulsion

aqueous-silicone emulsion

• Synonym(s): Antifoaming agent B
• UNSPSC Code: 12161900
• NACRES: NA.25

Properties

• Quality Level: 200
• form: emulsion
• contains: emulsifier (different from those present in Antifoam A emulsion)
• technique(s): cell culture | hybridoma: suitable; microbiological culture: suitable

Description

General description

Antifoam eliminates excessive foaming formed during impingement, due to proteins and/or carbohydrates in the collection medium. Antifoam B emulsion is a silicone based antifoam. Antifoam B emulsion does not affect the growth of bacteria. Antifoam B emulsion functions as an antifoaming agent in shake flask culture of bacteria.

Application

Antifoam B emulsion has been used:

• to enhance collection efficiency in collection media
• as a component in stress granule lysis buffer to reduce foaming, in host cell lysis buffer to reduce foaming caused by detergents
• to improve solubility of antibiotics
• as a foaming controls in bacterial growth media

Other Notes

A 10% aqueous emulsion of polydimethylsiloxane

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): >214.0 °F - closed cup
• Flash Point(C): > 101.1 °C - closed cup