RDD035
HEPES钠盐 钠盐
≥99.5% (titration), free-flowing, Redi-Dri™
别名:
4-(2-羟乙基)哌嗪-1-乙磺酸 钠盐, N-(2-羟乙基)哌嗪-N′-(2-乙磺酸) 钠盐
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关于此项目
经验公式（希尔记法）:
C8H17N2NaO4S
化学文摘社编号:
分子量:
260.29
UNSPSC Code:
12161700
NACRES:
NA.25
MDL number:
product line
Redi-Dri™
Quality Level
assay
≥99.5% (titration)
quality
free-flowing
useful pH range
6.8-8.2
pKa (25 °C)
7.5
application(s)
diagnostic assay manufacturing
SMILES string
[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O
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
General description
HEPES sodium salt is essential to prepare HEPES buffer that is commonly used for cell culture and protein applications. It is useful for maintaining homeostasis when working with cells outside of the incubator by balancing CO2. HEPES buffering capacity exceeds most buffers, with a pKa of 7.5, making it optimal for maintaining pH in biological systems. In solution, it is non-toxic, zwitterion with a physiological buffering range of pH 6.8 - 8.2. It has a low metal binding capacity and is safe to use in research for metal-binding proteins.
Application
HEPES sodium salt can be used:
- as a protein precipitation buffer
- in cell culture media
- as a binding buffer
Features and Benefits
- Redi-Dri™ eliminates clumping for hygroscopic chemicals
- powder remains free-flowing and easy to use
- Safer to handle and weigh out for standard use in lab
- Eliminates clumps, maintains product moisture, quality, and characteristics
Physical form
冻干、喷雾干燥或结晶的材料。
Other Notes
For additional information on our range of Biochemicals, please complete this form.
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
商品
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.