4-羟乙基哌嗪乙磺酸钠(HEPES-Na)
- 别名:Sodium 4-hydroxyethyl piperazine ethylate;HEPES-Na;75277-39-3
- 编码:ACC0034B
- 级别:High Purity Grade, ≥99.0%
- 简介:4-羟乙基哌嗪乙磺酸钠(HEPES-Na)为生物缓冲液。
基础信息
中文名 | 4-羟乙基哌嗪乙磺酸钠 |
英文名 | Sodium 4-hydroxyethyl piperazine ethylate |
别名 | HEPES-Na; HEPES sodium Salt |
CAS | 75277-39-3 |
分子式 | C8H17N2O4SNa |
分子量 | 260.28 |
产品介绍
4-羟乙基哌嗪乙磺酸钠(HEPES-Na)为生物缓冲液。Buffer缓冲范围 PH 6.0-8.5,PKa 7.6 at 20℃。
质量指标
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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