HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) [7365-45-9]
Order number: 47376574
Part number: AC100071728
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Hepes (4-(2-Hydroxyethyl)Piperazine-1-Ethanesulfonic Acid) [7365-45-9] is a structurally characterized compound with a molecular formula of C8H18N2O4S and a molecular weight of 238.31. This compound belongs to the Aminosulphonic acids and Hydroxy compounds, alcohols, substituted substance groups. As a buffer, it has a pH range of 4.8 - 5.6 and a pKa of 7.35 - 7.69. It appears as a white free-flowing crystalline powder with a purity of ≥99.5%. Safety goggles and gloves are recommended during handling.
- CAS Number: 7365-45-9
- Molecular Weight: 238.31
- Assay: ≥99.5%
- Molecular Formula: C8H18N2O4S
- A260 (1M water ): ≤0.050
- A280 (1M water ): ≤0.050
- A405 (1M Water): ≤0.015
- Appearance: White free-flowing crystalline powder
| Name | Value | |
|---|---|---|
| pH | : | 4.8 - 5.6 |
| CAS | : | 7365-45-9 |
| Assay | : | ≥99.5% |
| Iron (Fe) | : | ≤5ppm |
| Appearance | : | White free-flowing crystalline powder |
| Categories | : | Buffers |
| Heavy metals | : | ≤5ppm |
| Product Code | : | 47376574 |
| Product Name | : | HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) |
| Chloride (Cl) | : | ≤100ppm |
| pKa (@ 20°C) | : | 7.35 - 7.69 |
| Identification | : | Conforms to reference |
| Loss on Drying | : | ≤0.5% |
| A405 (1M Water) | : | ≤0.015 |
| Storage Details | : | Ambient |
| A260 (1M water ) | : | ≤0.050 |
| A280 (1M water ) | : | ≤0.050 |
| Molecular Weight | : | 238.31 |
| Molecular Formula | : | C8H18N2O4S |
| Residue on Ignition | : | ≤0.1% |
| Solubility 1M water | : | Clear, Colourless solution |
| Harmonised Tariff Code | : | 2933599590 |
| Endotoxin ( 0.2% solution ) | : | ≤0.1EU/ml |
