H3787
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H3787
Sigma
HEPES sodium salt
≥99.5% (titration)
| Synonym: | 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) sodium salt |
| CAS Number: | 75277-39-3 |
| Linear Formula: | C8H17N2NaO4S |
| Molecular Weight: | 260.29 |
| EC Number: | 278-169-7 |
| MDL number: | MFCD00036463 |
| PubChem Substance ID: | 24895596 |
Description
| Other Notes | Easily compare specifications for HEPES sodium salt products with the HEPES sodium salt specification table. |
Properties
| assay | ≥99.5% (titration) |
| total impurities | ≤5 ppm heavy metals (as Pb) |
| ≤7% water content (Karl Fischer) | |
| useful pH range | 6.8 - 8.2 |
| pKa (25 °C) | 7.5 |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
