HEPES – is a zwitterionic organic chemical buffering agent; one of the twenty Good’s buffers.
| Synonyms | 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid), HEPES (buffer) |
| CAS | 7365-45-9 |
| HSN Code | 29335990 |
| Categories | Biological Buffers, Buffers A to Z |
| Appearance (Form) | Powder to crystals or crystalline powder |
| Appearance (Colour) | White to off-white |
| Assay | 99.5% |
| pH (5% aq. solution) | 5-6.5 |
| Loss on drying | Max 0.5% |
Safety Information
- Personal Protective Equipment Eye shields, Gloves, type N95 (US), type P1 (EN143) respirator filter
- WGK Germany 1