Hepes free acid 100g Ultrapure Bioreagent JTB

Irritant Warning


Synonyms: 4-(2-Hydroxyethyl)piperazin-1-ylethanesulfonic acid , HEPES free acid

Formula: C8H18N2O4S
MW: 238.31 g/mol
Melting Pt: 210…215 °C
Density: 1.448 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL NO.MFCD00006158
CAS Number: 7365-45-9
EINECS: 230-907-9
UN: 0000
Merck Index: 13,04672



Specification Test Results

For Laboratory,Research,or Manufacturing Use 
Assay (C8H18N2O4S)≥ 99 %
Appearance (fine, white, crystalline powder)Passes Test
Sodium (USP Id.)Passes Test
DNase Activity (None Detected)Passes Test
RNase ActivityPasses Test
Protease ActivityPasses Test
Absorbance of a 0.1M Solution (1-cm path vs water) at - 260 nm≤ 0.050
Absorbance of a 0.1M Solution (1-cm path vs water) at - 280 nm≤ 0.050
pH of 5% Solution at 25°C5.0 - 6.5
Ash (sulfated)≤ 0.2 %
Arsenic and Antimony (as As)≤ 0.050 ppm
Trace Impurities - ACS - Heavy Metals (as Pb)≤ 5 ppm
Trace Impurities - Iron (Fe)≤ 5 ppm
pK^a at 20°C, For Information Only 
QC Supervisor or equivalent to check supplier's COA to ensure proper chemical form.Passes Test

Unit Qty: ea

Availability: 2 in stock