Antifoam A concentrate
SIGMA/A6582 - active silicone polymer 100%
Synonym: Antifoam agent; Antifoam solution; Foam control agent
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: A6582-100G.
| application(s) | microbiology |
| density | 0.97 g/mL at 25 °C |
| form | emulsion (aqueous) |
| Quality Level | 200  |
| storage temp. | room temp |
| suitability | (Mammalian (suspension)) |
| bacteria (fermentation) | |
| technique(s) | cell culture | hybridoma: suitable |
| microbiological culture: suitable |
| Application: | Antifoam A concentrate has been used:• in bioreactor culture for Staphylococcal enterotoxin C (SEC) production. • to prevent foam formation during the aerobic treatment of sludge. • to study the impact of surface tension on bioaerosol generation during bubbling. |
| Features and Benefits: | • Molecular biology grade and tested for use in bacterial fermentation. • Extremely effective foam suppressor for aqueous and non-aqueous systems. • Made of 100% active silicone polymer, free of emulsifiers. • Typically, effective at 1-100 ppm. • Product will be stable in the pH range of 5 to 9. • Can be directly added to a fermentation medium but it is not recommended that it be pumped to a fermenter on an as-needed basis. |
| General description: | Antifoam A is a silicone-based product used to prevent or minimize foaming in both microbial fermentation systems and mammalian suspension cultures. Control of foaming minimizes damage to the cells, resulting in increased protein/antibody production. Extremely effective for aqueous and non-aqueous systems. Effective at concentrations in the 1-50ppm range. |
| Other Notes: | Antifoam A is a 100% active silicon polymer containing no non-ionic emulsifiers . |
| Packaging: | 100 g in glass bottle |
| Preparation Note: | Antifoam A can be pre-diluted with 3-10 parts of aqueous propylene glycol or non-aqueous vegetable oil with slow mixing. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | > 213.8 °F - closed cup |
| Flash Point(C) | > 101 °C - closed cup |
| Density | 0.97 g/mL at 25 °C |
| Storage Temp. | room temp |
| UNSPSC | 12161901 |