H4034
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H4034
Sigma
HEPES
Biotechnology Performance Certified, ≥99.5% (titration), cell culture tested
| Synonym: | 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) |
| CAS Number: | 7365-45-9 |
| Linear Formula: | C8H18N2O4S |
| Molecular Weight: | 238.30 |
| Beilstein Registry Number: | 883043 |
| EC Number: | 230-907-9 |
| MDL number: | MFCD00006158 |
| PubChem Substance ID: | 24895616 |
Description
| Other Notes | Easily compare specifications for HEPES products with the HEPES specification table. |
Properties
| grade | Biotechnology Performance Certified |
| assay | ≥99.5% (titration) |
| total impurities | Endotoxin and bioburden, tested |
| useful pH range | 6.8 - 8.2 |
| pKa (25 °C) | 7.5 |
| EQP level | Elite |
| cation traces | Fe: ≤5 ppm |
| heavy metals (as Pb): ≤5 ppm | |
| abs. | A |
| A | |
| suitability | cell culture tested |
| foreign activity | DNase, RNase, protease, none detected |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK Germany | 1 |
| RTECS | TL6809000 |
References
| Merck | Merck 13,4672 |
| Beilstein | Beil. 23,V,2,379 |
