528131

PIPES, Free Acid, ULTROL^® Grade

A zwitterionic N-substituted aminosulfonic acid useful in the pH range of 6.1-7.5. Has a pKa 6.76 at 25°C. Absorbance (0.5%, 0.25 N NaOH, 260 nm):0.18.

• 同義詞: Piperazine-N,Nʹ- bis(2-ethanesulfonic Acid), Piperazine-N,Nʹ-bis(2-ethanesulfonic Acid)
• 經驗公式（希爾表示法）: C₈H₁₈N₂O₆S₂
• CAS號碼: 5625-37-6
• 分子量：: 302.37
• MDL號碼: MFCD00006159
• 分類程式碼代碼: 12352200

屬性

• 品質等級: 100
• 化驗: ≥98% dry basis (titration)
• 形狀: solid
• 製造商／商標名: Calbiochem^®
• 儲存條件: OK to freeze
• 顏色: white
• pKa (20 °C): 6.8
• 溶解度: aqueous buffer: 50 mg/mL; water: soluble
• 正離子痕跡: heavy metals: <10 ppm
• 運輸包裝: ambient
• 儲存溫度: 15-25°C
• InChI: 1S/C8H18N2O6S2.Na/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16;/h1-8H2,(H,11,12,13)(H,14,15,16);/q;+1/p-1
• InChI 密鑰: OGGAIRCLBMGXCZ-UHFFFAOYSA-M

描述

一般說明

A zwitterionic N-substituted aminosulfonic acid useful in the pH range of 6.1-7.5. Has a pK_a 6.76 at 25°C.

Absorbance (0.5%, 0.25 N NaOH, 260 nm): <0.18.

Zwitterionic N-substituted aminosulfonic acid, active in the pH range of 6.0-8.5. Has a pK_a of 6.8 at 20°C.

警告

Toxicity: Standard Handling (A)

重構

Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 3 months at 4°C.





From Catalog:

Desc. Field- replaced "active in the pH range 6.0-8.5"

法律資訊

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

安全資訊

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable