您的位置：首页 > 产品中心 > 75277-39-3， HEPES, Sodium Salt, ULTROL® Grade
HEPES, Sodium Salt, ULTROL® Grade
| 产品编号： | 4077444 |
| 规格： | A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10. |
| CAS NO： | 75277-39-3 |
| 包装规格： | 100 G，500 G，1 KG |
| 产品类别： | 进口试剂 |
| 品牌： | Millipore |
| 优惠价： | 立即咨询 |
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4077444 | 100 G | 1910 | 2-5天 | 4-6周 | |
| 4077444 | 500 G | 6060 | 2-5天 | 4-6周 | |
| 4077444 | 1 KG | 9980 | 2-5天 | 4-6周 |
产品别名
75277-39-3
HEPES, Sodium Salt, ULTROL® Grade
N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic Acid, Na
基本信息
| Empirical Formula【经验(实验)分子式】 | C8H17N2O4S · Na |
| Molecular weight | 260.29 |
| General description【一般描述】 | A zwitterionic N-substituted aminosulfonic acid buffer(Absorbance: <0.10 at 260 nm, 1.0 mM, H2O). Active in the pH range of 6.0 to 8.5. Has a pKa of 7.6 at 20°C. A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):<0.10. |
| Warning【警告】 | Toxicity: Standard Handling (A) |
| Legal Information【法律信息】 | CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 100 |
| Assay【测定】 | ≥99% dry basis (titration) |
| form【形式】 | solid |
| manufacturer/tradename | Calbiochem® |
| storage condition【储存条件】 | OK to freeze desiccated (hygroscopic) |
| color【颜色】 | white |
| pKa (20 ℃) | 7.6 |
| solubility【溶解性】 | water: 1.0 M |
| anion traces【痕量阴离子】 | chloride (Cl-): <0.01% sulfate (SO42-): <0.05% |
| cation traces【痕量阳离子】 | heavy metals: <1 ppm |
| shipped in【运输】 | ambient |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1 |
| InChI key | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| packaging【包装】 | 1 kg in Glass bottle 100, 500 g in Glass bottle |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
