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重要文件

H0527

Sigma-Aldrich

HEPES 钾盐

HEPES potassium salt

≥99.5% (titration)

同義詞:

哌嗪乙磺酸,4-(2-羟乙基)-磷酸二氢钾, 4-(2-羟乙基)哌嗪-1-乙磺酸 钾盐, N-(2-羟乙基)哌嗪-N′-(2-乙磺酸) 钾盐

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About This Item

經驗公式(希爾表示法):
C8H17KN2O4S
CAS號碼:
分子量::
276.39
MDL號碼:
分類程式碼代碼:
12161700
PubChem物質ID:
NACRES:
NA.25
暫時無法取得訂價和供貨情況

品質等級

化驗

≥99.5% (titration)

形狀

powder

有用的pH值範圍

6.8-8.2

pKa 

7.5

溶解度

water: 0.5 g/mL, clear, colorless

SMILES 字串

[K+].OCCN1CCN(CC1)CCS([O-])(=O)=O

InChI

1S/C8H18N2O4S.K/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 密鑰

KWURIFKZTJGMFD-UHFFFAOYSA-M

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一般說明

HEPES(4-(2-羟乙基)哌嗪-1-乙磺酸)是生物化学和生物研究应用中广泛使用的良好’缓冲剂。作为一种带电离子的缓冲剂,它可以在加入少量酸或碱时稳定溶液的pH值。[1][2]

應用

HEPES钾盐已被用作纳米孔制备[3][4][5]和电解质制备中的缓冲剂。[6]它还可被用作细胞裂解液的组分。[7]

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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