HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid)
CAS: 7365-45-9
Molecular Formula: C8H18N2O4S
Molecular Weight: 238.31
Product Detail
| Product Code | 47376574 | ||||
| Product Name | HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) | ||||
| Categories | Buffers | ||||
| CAS | 7365-45-9 | ||||
| Molecular Formula | C8H18N2O4S | ||||
| Molecular Weight | 238.31 | ||||
| Storage Details | Ambient | ||||
| Harmonised Tariff Code | 2933599590 |
Product Specification
| Heavy metals | <5ppm | ||||
| pH | 4.8 – 5.6 | ||||
| Loss on Drying | <0.5% | ||||
| Assay | >99.5% | ||||
| Iron | <5ppm | ||||
| Residue on Ignition | <0.1% | ||||
| Cl | <100ppm | ||||
| Appearance | White free-flowing crystalline powder | ||||
| pKa (@ 20°C) | 7.35 – 7.69 | ||||
| A260 (1M water ) | <0.050 | ||||
| A280 (1M water ) | <0.050 | ||||
| Endotoxin ( 0.2% solution ) | <0.1EU/ml | ||||
| A405 (1M Water) | <0.015 | ||||
| Solubility 1M water | Clear, Colourless solution |
Safety Information
| Pictograms | |||||
| Signal word | None | ||||
| Hazard statements | |||||
| Precautionary statements | P280: Wear protective gloves/protective clothing/eye protection/face protection |