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merck millipore,默克密理博,391338,HEPES, Free Acid, ULTROL Grade - CAS 7365-45-9 - Calbiochem
产品名称：HEPES, Free Acid, ULTROL Grade - CAS 7365-45-9 - Calbiochem
产品型号：391338
A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
merck millipore,默克密理博,391338,HEPES, Free Acid, ULTROL Grade - CAS 7365-45-9 - Calbiochem
- 产品介绍
重要规格表
经验配方 CAS号 C₈H₁₈N₂O₄S 7365-45-9 描述 概述 A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
Absorbance (1.0 M, H2O, 280 nm): ≤0.04产品目录编号 391338 品牌系列 Calbiochem®
同义词 N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid 产品信息 CAS号 7365-45-9 形式 White crystalline powder Hill配方 C₈H₁₈N₂O₄S 化学配方 C₈H₁₈N₂O₄S Molar Mass 238.3 PKA 7.25 - 7.75 at 20°C 结构配方图像 生物信息 纯度 ≥99% by titration (dry basis) 理化信息 污染物 Chloride: ≤0.01%; Sodium: ≤0.1%; Sulfate: ≤0.05% 重金属 ≤1 ppm 溶解度 Aqueous Basic Solutions or H₂O GHS安全信息 RTECS TL6809000 安全信息 R相 R: 36/37/38
Irritating to eyes, respiratory system and skin.S相 S: 26-37/39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Wear suitable gloves and eye/face protection.储存和货运信息 货运代码 Ambient Temperature Only
毒性 Irritant
储存 +15°C to +30°C
无需冷冻 No
特殊指南 Following reconstitution, store at room temperature (20°C). Stock solutions are stable for up to 6 months at 20°C.
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