A5757
Antifoam B Emulsion
aqueous-silicone emulsion
Synonym(s):
Antifoaming agent B
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About This Item
NACRES:
NA.25
UNSPSC Code:
12161900
Quality Level
form
emulsion
contains
emulsifier (different from those present in Antifoam A emulsion)
technique(s)
cell culture | hybridoma: suitable, microbiological culture: suitable
viscosity
400 cP
density
1.01 g/mL
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
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
>214.0 °F - closed cup
flash_point_c
> 101.1 °C - closed cup
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - PBT - vPvB
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