HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid), anhydrous ≥99.5% for biopharmaceutical production
:7365-45-9
:
:C₈H₁₈N₂O₄S
:MFCD00006158
:13,04672
:210…215 °C
:1,448 g/cm³ (20 °C)
:238.31 g/mol
:Ambient
:230-907-9
- Assay:Min. 99.5 %
- Appearance:White crystalline powder
- Cell culture toxicity:Passes test
- DNases:Not detected
- Identification by IR:Conforms to structure
- Proteases:Not detected
- RNases:Not detected
- Solubility (1 mol/l):Clear.colourless.complete
- pKa (20°C):7.45 - 7.65
- Heavy metals (as Pb):Max. 5 ppm
- Ignition residue:Max. 0.3 %
- Water:Max. 0.5 %
- Ca (Calcium):Max. 5 ppm
- Cu (Copper):Max. 5 ppm
- Fe (Iron):Max. 5 ppm
- Mg (Magnesium):Max. 5 ppm
- Mn (Manganese):Max. 5 ppm
- Absorbance (260 nm) (1 mol/l):Max. 0.10
- Absorbance (280 nm) (1 mol/l):Max. 0.10
- Bioburden:Max. 100 CFU/g
- Endotoxin (0,2 %):Max. 0.1 EU/mg
Frequently Bought Together
Sodium dodecyl sulphate (SDS) ≥98%, GPR RECTAPUR®
: VWR Chemicals
Disposable cuvettes, UVette®
: EPPENDORF
Dewar flasks, Nalgene®
: Thermo Fisher Scientific
Accessories for vortex mixers Vortex-Genie®
: SCIENTIFIC INDUSTRIES ELMIS
Media bottles, square, sterile, Nalgene®
: Thermo Fisher Scientific
Accessories for Plum eyewash stations
: Plum Safety
Nigrosine, water soluble, high purity biological stain
: Thermo Fisher Scientific