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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 | |||
4077444 | 500 G | 6060 | |||
4077444 | 1 KG | 9980 |
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 |