Buy Hepes free acid 100g Ultrapure  Bioreagent JTB in NZ.

Hepes free acid 100g Ultrapure Bioreagent JTB
4018-01

Irritant Warning

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
So dium (USP Id.) Passes Test
DNase Activity (None Detected) Passes Test
RNase Activity Passes Test
Protease Activity Passes 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°C 5.0 - 6.5
Ash (sulfated) ≤ 0.2 %
Ars enic and Ant imony (as As) ≤ 0.050 ppm
Trace Impurities - ACS - Heavy Metals (as Pb) ≤ 5 ppm
Trace Impurities - Iro n (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