Antifoam A Concentrate
SIGMA/A5633 - active silicone polymer 100 %
Synonym: Silicone Antifoam Solution
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: A5633-100G.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: A5633-25G
| composition | active silicone polymer, 100% |
| density | (0.97 g/mL at 25 °C (77 °F)) |
| description | 100% active silicone polymer |
| does not contain | emulsifier |
| form | suspension |
| Quality Level | 200  |
| technique(s) | cell culture | mammalian: suitable |
| microbiological culture: suitable |
| Application: | An extremely effective foam suppresser for use in aqueous and non-aqueous systems. |
| Application: | Antifoam A Concentrate has been used as a component of Luria Bertani culture medium for growth of BL21 (DE3) E. coli cells transformed with the plasmids. It has also been used as a constituent in the preparation of aerosol generation fluid. |
| General description: | Antifoam A Concentrate is an extremely effective foam suppressor for aqueous and non-aqueous systems. It is 100% active silicone polymer. No emulsifiers are present. Antifoam A Concentrate is typically effective at 1-100 ppm. Antifoam A Concentrate should be diluted with 3-10 parts of propylene glycol (aqueous) or vegetable oil (nonaqueous) with slow mixing. The product will be stable in the pH range of 5 to 9. Antifoam A Concentrate can be added directly to a fermentation medium, but it is not recommended that it be pumped to a fermenter on an as-needed basis. |
| Packaging: | 100 g in poly bottle |
| Packaging: | 25 g in glass bottle |
| Preparation Note: | 1-50 ppm is adequate for most applications. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Density | (0.97 g/mL at 25 °C (77 °F)) |
| UNSPSC | 12161900 |