羟乙基哌嗪乙硫磺酸

产品名称：

7365-45-9
HEPES, Free Acid, ULTROL^® Grade
N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)
N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic acid
4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid
HEPES
羟乙基哌嗪乙硫磺酸
4-(2-羟乙基)哌嗪-1-乙磺酸
N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)

产品介绍：

产品说明

一般描述

Absorbance (1.0 M, H₂O, 260 nm):≤0.05.

Absorbance (1.0 M, H₂O, 280 nm): ≤0.04
A zwitterionic N-substituted aminosulfonic acid buffer. HEPES has its maximum buffering capacity very near the pH of mammalian tissue fluids (pK_a of 7.31 at 37°C). Exhibits no metal binding and has a small temperature dependent ΔpKa of -0.014/°C.
A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pK_a of 7.48 at 25°C.

包装

25 g in Plastic ampoule
5 kg in Fibre carton
100, 500 g in Glass bottle
1 kg in Glass bottle

警告

Toxicity: Irritant (B)

重悬

Following reconstitution, store at room temperature (20°C). Stock solutions are stable for up to 6 months at 20°C.

法律信息

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

基本信息

经验(实验)分子式	C₈H₁₈N₂O₄S
分子量	238.30
Beilstein	883043
MDL编号	MFCD00006158

产品性质

质量水平	100
测定	≥99% dry basis (titration)
形式	crystalline powder
manufacturer/tradename	Calbiochem^®
储存条件	OK to freeze
颜色	white
pKa (25 ℃)	7.5
溶解性	water: 1 M
痕量阴离子	chloride (Cl^-): ≤0.01% sulfate (SO₄^2-): ≤0.05%
痕量阳离子	Na: ≤0.1% heavy metals: ≤1 ppm
运输	ambient
储存温度	15-25℃
SMILES string	OCCN1CCN(CC1)CCS(O)(=O)=O
InChI	1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
InChI key	JKMHFZQWWAIEOD-UHFFFAOYSA-N

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

HEPES, Free Acid, ULTROL® Grade

4-(2-羟乙基)哌嗪-1-乙磺酸

HEPES, Free Acid, ULTROL^® Grade