4-羥乙基哌嗪乙磺酸鈉(HEPES-Na)
- 別名：Sodium 4-hydroxyethyl piperazine ethylate;HEPES-Na;75277-39-3
- 編碼：ACC0034B
- 級別：High Purity Grade, ≥99.0%
- 簡介：4-羥乙基哌嗪乙磺酸鈉(HEPES-Na)為生物緩沖液。
基礎信息
| 中文名 | 4-羥乙基哌嗪乙磺酸鈉 |
| 英文名 | Sodium 4-hydroxyethyl piperazine ethylate |
| 別名 | HEPES-Na; HEPES sodium Salt |
| CAS | 75277-39-3 |
| 分子式 | C8H17N2O4SNa |
| 分子量 | 260.28 |
產品介紹
4-羥乙基哌嗪乙磺酸鈉(HEPES-Na)為生物緩沖液。Buffer緩沖范圍 PH 6.0-8.5，PKa 7.6 at 20℃。
質量指標
| Assay(Titration, Dry basis) | ≥99.0% |
| Solubility 0.1M water | Clear, Colorless solution |
| pH 1%water solution 25℃ | 9.5~10.5 |
| Loss on dry(110℃,3hr) | ≤3% |
| Infrared | Complies |
| A260,1M Water | ≤0.2 |
| A280,1M Water | ≤0.2 |
| A440,1M Water | ≤0.2 |
| Heavy metals | ≤5ppm |
| Appearance | White free-flowing powder |
MSDS
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