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中文名称英文名称CAS 编号规格目录价所属品牌订货号
HEPESHEPES7365-45-925G290.00SIGMAH3375
HEPESHEPES7365-45-9100G810.00SIGMAH3375
HEPESHEPES7365-45-9500G3,200.00SIGMAH3375
HEPESHEPES7365-45-91KG5,350.00SIGMAH3375
HEPESHEPES7365-45-95KG21,000.00SIGMAH3375
HEPESHEPES7365-45-925KG54,600.00SIGMAH3375
品牌SIGMA
产品名称 HEPES : HEPES ——【产品编号:SIGMA-H3375】
CAS编号7365-45-9
别名N-2-羟乙基哌嗪-N'-2-乙基磺酸,4-(2-羟乙基)哌嗪-1-乙磺酸,N-(2-羟乙基)哌嗪-N′-(2-乙磺酸),4-羟乙基哌嗪乙磺酸,4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid, Hydroxyethyl)piperazine-N'-2-ethane sulfonic acid
级别科学级
纯度&分析≥99.5% (titration)
Tips此产品超纯,可用于缓冲体系、药用辅料、规模化生产等。
分子式C8H18N2O4S
分子量238.30
储存条件常温避光保存。
性质
assay ≥99.5% (titration)
useful pH range 6.8 - 8.2
pKa (25 °C) 7.5
原产地美国
描述

Appearance (Color): White
Appearance (Form): Crystalline Powder
Solubility (Color) :Colorless
Solubility (Turbidity): Clear,at 500 mg/ml in H2O
Water (by Karl Fischer) :0.1 %
Infrared spectrum: Conforms to Structure
A290 UV absorbance: 0.05
Heavy Metals: <= 5 ppm <= 5 ppm
Purity (Titr. by NAOH): anhyd. 99.5 %

供货状态True
参考文献

Merck 14,4654

Beil. 23,V,2,379

类型缓冲介质
安全信息
个人防护装备 Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK德国 1
RTECS TL6809000