| Bioactivity | BES is a secondary standard biochemical buffer with effective pH range of 6.4 to 7.8 (pKa: 7.15 at 20 ℃). BES is used in the diagnostic testing area. |
| Name | BES |
| CAS | 10191-18-1 |
| Formula | C6H15NO5S |
| Molar Mass | 213.25 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, protect from light *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light) |